First commit

This reverts commit 81b5fe944a.

See https://github.com/Jermolene/TiddlyWiki5/pull/5315#issuecomment-848725198 for explanation

.eslintignore

@@ -0,0 +1,15 @@
+# Known minified files
+/boot/sjcl.js
+/core/modules/utils/base64-utf8/base64-utf8.module.min.js
+/core/modules/utils/diff-match-patch/diff_match_patch.js
+/plugins/tiddlywiki/async/files/async.min.v1.5.0.js
+/plugins/tiddlywiki/codemirror-autocomplete/files/addon/hint/anyword-hint.js
+/plugins/tiddlywiki/codemirror-autocomplete/files/addon/hint/css-hint.js
+/plugins/tiddlywiki/codemirror-autocomplete/files/addon/hint/html-hint.js
+/plugins/tiddlywiki/codemirror-autocomplete/files/addon/hint/javascript-hint.js
+/plugins/tiddlywiki/codemirror-autocomplete/files/addon/hint/show-hint.js
+/plugins/tiddlywiki/codemirror-autocomplete/files/addon/hint/xml-hint.js
+/plugins/tiddlywiki/codemirror-closebrackets/files/addon/edit/closebrackets.js
+/plugins/tiddlywiki/codemirror-closebrackets/files/addon/edit/matchbrackets.js
+/plugins/tiddlywiki/codemirror-closetag/files/addon/edit/closetag.js
+/plugins/tiddlywiki/codemirror-closetag/files/addon/fold/xml-fold.js

.eslintrc.yml

@@ -0,0 +1,267 @@
+env:
+  browser: true
+  commonjs: true
+  es2021: true
+  node: true
+extends: 'eslint:recommended'
+globals:
+  "$tw": "writable" # temporary
+parserOptions:
+  ecmaVersion: 5
+rules:
+  array-bracket-newline: 'off'
+  array-bracket-spacing: 'off'
+  array-callback-return: 'off'
+  array-element-newline: 'off'
+  arrow-body-style: error
+  arrow-parens:
+    - error
+    - as-needed
+  arrow-spacing:
+    - error
+    - after: true
+      before: true
+  block-scoped-var: 'off'
+  block-spacing: 'off'
+  brace-style: 'off'
+  callback-return: 'off'
+  camelcase: 'off'
+  capitalized-comments: 'off'
+  class-methods-use-this: error
+  comma-dangle: 'off'
+  comma-spacing: 'off'
+  comma-style: 'off'
+  complexity: 'off'
+  computed-property-spacing: 'off'
+  consistent-return: 'off'
+  consistent-this: 'off'
+  curly: 'off'
+  default-case: 'off'
+  default-case-last: error
+  default-param-last: error
+  dot-location: 'off'
+  dot-notation: 'off'
+  eol-last: 'off'
+  eqeqeq: 'off'
+  func-call-spacing: 'off'
+  func-name-matching: 'off'
+  func-names: 'off'
+  func-style: 'off'
+  function-call-argument-newline: 'off'
+  function-paren-newline: 'off'
+  generator-star-spacing: error
+  global-require: 'off'
+  grouped-accessor-pairs: error
+  guard-for-in: 'off'
+  handle-callback-err: 'off'
+  id-blacklist: error
+  id-denylist: error
+  id-length: 'off'
+  id-match: error
+  implicit-arrow-linebreak: error
+  indent: 'off'
+  indent-legacy: 'off'
+  init-declarations: 'off'
+  jsx-quotes: error
+  key-spacing: 'off'
+  keyword-spacing: 'off'
+  line-comment-position: 'off'
+  linebreak-style: 'off'
+  lines-around-comment: 'off'
+  lines-around-directive: 'off'
+  lines-between-class-members: error
+  max-classes-per-file: error
+  max-depth: 'off'
+  max-len: 'off'
+  max-lines: 'off'
+  max-lines-per-function: 'off'
+  max-nested-callbacks: error
+  max-params: 'off'
+  max-statements: 'off'
+  max-statements-per-line: 'off'
+  multiline-comment-style: 'off'
+  multiline-ternary: 'off'
+  new-parens: 'off'
+  newline-after-var: 'off'
+  newline-before-return: 'off'
+  newline-per-chained-call: 'off'
+  no-alert: 'off'
+  no-array-constructor: 'off'
+  no-await-in-loop: error
+  no-bitwise: 'off'
+  no-buffer-constructor: 'off'
+  no-caller: error
+  no-catch-shadow: 'off'
+  no-confusing-arrow: error
+  no-console: 'off'
+  no-constant-condition:
+    - error
+    - checkLoops: false
+  no-constructor-return: error
+  no-continue: 'off'
+  no-div-regex: 'off'
+  no-duplicate-imports: error
+  no-else-return: 'off'
+  no-empty-function: 'off'
+  no-eq-null: 'off'
+  no-eval: 'off'
+  no-extend-native: 'off'
+  no-extra-bind: 'off'
+  no-extra-label: 'off'
+  no-extra-parens: 'off'
+  no-floating-decimal: 'off'
+  no-implicit-coercion:
+    - error
+    - boolean: false
+      number: false
+      string: false
+  no-implicit-globals: 'off'
+  no-implied-eval: error
+  no-inline-comments: 'off'
+  no-invalid-this: 'off'
+  no-iterator: error
+  no-label-var: 'off'
+  no-labels: 'off'
+  no-lone-blocks: 'off'
+  no-lonely-if: 'off'
+  no-loop-func: 'off'
+  no-loss-of-precision: error
+  no-magic-numbers: 'off'
+  no-mixed-operators: 'off'
+  no-mixed-requires: 'off'
+  no-multi-assign: 'off'
+  no-multi-spaces: 'off'
+  no-multi-str: error
+  no-multiple-empty-lines: 'off'
+  no-native-reassign: 'off'
+  no-negated-condition: 'off'
+  no-negated-in-lhs: error
+  no-nested-ternary: 'off'
+  no-new: 'off'
+  no-new-func: 'off'
+  no-new-object: 'off'
+  no-new-require: error
+  no-new-wrappers: error
+  no-octal-escape: error
+  no-param-reassign: 'off'
+  no-path-concat: error
+  no-plusplus: 'off'
+  no-process-env: 'off'
+  no-process-exit: 'off'
+  no-promise-executor-return: error
+  no-proto: 'off'
+  no-restricted-exports: error
+  no-restricted-globals: error
+  no-restricted-imports: error
+  no-restricted-modules: error
+  no-restricted-properties: error
+  no-restricted-syntax: error
+  no-return-assign: 'off'
+  no-return-await: error
+  no-script-url: 'off'
+  no-self-compare: 'off'
+  no-sequences: 'off'
+  no-shadow: 'off'
+  no-spaced-func: 'off'
+  no-sync: 'off'
+  no-tabs: 'off'
+  no-template-curly-in-string: error
+  no-ternary: 'off'
+  no-throw-literal: 'off'
+  no-trailing-spaces: 'off'
+  no-undef-init: 'off'
+  no-undefined: 'off'
+  no-underscore-dangle: 'off'
+  no-unmodified-loop-condition: 'off'
+  no-unneeded-ternary: 'off'
+  no-unreachable-loop: error
+  no-unused-expressions: 'off'
+  no-use-before-define: 'off'
+  no-useless-backreference: error
+  no-useless-call: 'off'
+  no-useless-computed-key: error
+  no-useless-concat: 'off'
+  no-useless-constructor: error
+  no-useless-rename: error
+  no-useless-return: 'off'
+  no-var: 'off'
+  no-void: 'off'
+  no-warning-comments: 'off'
+  no-whitespace-before-property: error
+  nonblock-statement-body-position:
+    - error
+    - any
+  object-curly-newline: 'off'
+  object-curly-spacing: 'off'
+  object-property-newline: 'off'
+  object-shorthand: 'off'
+  one-var: 'off'
+  one-var-declaration-per-line: 'off'
+  operator-assignment: 'off'
+  operator-linebreak: 'off'
+  padded-blocks: 'off'
+  padding-line-between-statements: error
+  prefer-arrow-callback: 'off'
+  prefer-const: 'off'
+  prefer-destructuring: 'off'
+  prefer-exponentiation-operator: 'off'
+  prefer-named-capture-group: 'off'
+  prefer-numeric-literals: error
+  prefer-object-spread: 'off'
+  prefer-promise-reject-errors: error
+  prefer-reflect: 'off'
+  prefer-regex-literals: 'off'
+  prefer-rest-params: 'off'
+  prefer-spread: 'off'
+  prefer-template: 'off'
+  quote-props: 'off'
+  quotes: 'off'
+  radix: 'off'
+  require-atomic-updates: error
+  require-await: error
+  require-jsdoc: 'off'
+  require-unicode-regexp: 'off'
+  rest-spread-spacing: error
+  semi: 'off'
+  semi-spacing: 'off'
+  semi-style: 'off'
+  sort-imports: error
+  sort-keys: 'off'
+  sort-vars: 'off'
+  space-before-blocks: 'off'
+  space-before-function-paren: 'off'
+  space-in-parens: 'off'
+  space-infix-ops: 'off'
+  space-unary-ops: 'off'
+  spaced-comment: 'off'
+  strict: 'off'
+  switch-colon-spacing: 'off'
+  symbol-description: error
+  template-curly-spacing: error
+  template-tag-spacing: error
+  unicode-bom:
+    - error
+    - never
+  valid-jsdoc: 'off'
+  valid-typeof:
+    - error
+    - requireStringLiterals: false
+  vars-on-top: 'off'
+  wrap-iife: 'off'
+  wrap-regex: 'off'
+  yield-star-spacing: error
+  yoda: 'off'
+
+  # temporary rules
+  no-useless-escape: 'off'
+  no-unused-vars: 'off'
+  no-empty: 'off'
+  no-extra-semi: 'off'
+  no-redeclare: 'off'
+  no-control-regex: "off"
+  no-mixed-spaces-and-tabs: "off"
+  no-extra-boolean-cast: "off"
+  no-prototype-builtins: "off"
+  no-undef: "off"
+  no-unreachable: "off"
+  no-self-assign: "off"

.github/ISSUE_TEMPLATE/bug_report.md

@@ -23,6 +23,11 @@ A clear and concise description of what you expected to happen.
 **Screenshots**
 If applicable, add screenshots to help explain your problem.
 
+**TiddlyWiki Configuration (please complete the following information):**
+ - Version [e.g. v5.1.24]
+ - Saving mechanism [e.g. Node.js, TiddlyDesktop, TiddlyHost etc]
+ - Plugins installed [e.g. Freelinks, TiddlyMap]
+ 
 **Desktop (please complete the following information):**
  - OS: [e.g. iOS]
  - Browser [e.g. chrome, safari]

.github/workflows/ci.yml

@@ -39,9 +39,9 @@ jobs:
       - name: "Set dynamic environment variables"
         run: |
           TW5_BUILD_BRANCH=$(echo $GITHUB_REF | awk 'BEGIN { FS = "/" } ; { print $3 }')
-          echo ::set-env name=TW5_BUILD_BRANCH::${TW5_BUILD_BRANCH}
-          echo ::set-env name=TW5_BUILD_VERSION::$(./bin/get-plugin-library-version-number)
-          echo ::set-env name=TW5_BUILD_DETAILS::Prerelease built from branch \'$TW5_BUILD_BRANCH\' at commit $(git rev-parse HEAD) of $(git remote get-url origin) at $(date +'%F %T %Z')
+          echo "TW5_BUILD_BRANCH=${TW5_BUILD_BRANCH}" >> $GITHUB_ENV
+          echo "TW5_BUILD_VERSION=$(./bin/get-plugin-library-version-number)" >> $GITHUB_ENV
+          echo "TW5_BUILD_DETAILS=Prerelease built from branch '$TW5_BUILD_BRANCH' at commit $(git rev-parse HEAD) of $(git remote get-url origin) at $(date +'%F %T %Z')" >> $GITHUB_ENV
       - run: "./bin/build-site.sh"
       - run: "./bin/ci-push.sh"
         env:
@@ -65,9 +65,9 @@ jobs:
       - name: "Set dynamic environment variables"
         run: |
           TW5_BUILD_BRANCH=$(echo $GITHUB_REF | awk 'BEGIN { FS = "/" } ; { print $3 }')
-          echo ::set-env name=TW5_BUILD_BRANCH::${TW5_BUILD_BRANCH}
-          echo ::set-env name=TW5_BUILD_VERSION::$(./bin/get-plugin-library-version-number)
-          echo ::set-env name=TW5_BUILD_DETAILS::Built from branch \'$TW5_BUILD_BRANCH\' at commit $(git rev-parse HEAD) of $(git remote get-url origin) at $(date +'%F %T %Z')
+          echo "TW5_BUILD_BRANCH=${TW5_BUILD_BRANCH}" >> $GITHUB_ENV
+          echo "TW5_BUILD_VERSION=$(./bin/get-plugin-library-version-number)" >> $GITHUB_ENV
+          echo "TW5_BUILD_DETAILS=Built from branch '$TW5_BUILD_BRANCH' at commit $(git rev-parse HEAD) of $(git remote get-url origin) at $(date +'%F %T %Z')" >> $GITHUB_ENV
       - run: "./bin/build-site.sh"
       - run: "./bin/ci-push.sh"
         env:

bin/build-site.sh

@@ -5,7 +5,7 @@
 # Default to the current version number for building the plugin library
 
 if [  -z "$TW5_BUILD_VERSION" ]; then
-    TW5_BUILD_VERSION=v5.1.23
+    TW5_BUILD_VERSION=v5.1.24
 fi
 
 echo "Using TW5_BUILD_VERSION as [$TW5_BUILD_VERSION]"
@@ -107,7 +107,7 @@ node $TW5_BUILD_TIDDLYWIKI \
 # /empty.html			Empty
 # /empty.hta			For Internet Explorer
 node $TW5_BUILD_TIDDLYWIKI \
-	./editions/empty \
+	$TW5_BUILD_MAIN_EDITION \
 	--verbose \
 	--output $TW5_BUILD_OUTPUT \
 	--build empty \

bin/ci-push.sh

@@ -2,19 +2,14 @@
 
 # Push output back to GitHub
 
+# Exit script immediately if any command fails
+set -e
 
-cd output || exit 1
-
-git config --global user.email "actions@github.com" || exit 1
-
-git config --global user.name "GitHub Actions" || exit 1
-
-git add -A . || exit 1
-
-git commit --message "GitHub build: $GITHUB_RUN_NUMBER of $TW5_BUILD_BRANCH ($(date +'%F %T %Z'))" || exit 1
-
-git remote add deploy "https://$GH_TOKEN@github.com/Jermolene/jermolene.github.io.git" &>/dev/null || exit 1
-
-git push deploy master &>/dev/null || exit 1
-
-cd .. || exit 1
+cd output
+git config --global user.email "actions@github.com"
+git config --global user.name "GitHub Actions"
+git add -A .
+git commit --message "GitHub build: $GITHUB_RUN_NUMBER of $TW5_BUILD_BRANCH ($(date +'%F %T %Z'))"
+git remote add deploy "https://$GH_TOKEN@github.com/Jermolene/jermolene.github.io.git" &>/dev/null
+git push deploy master &>/dev/null
+cd ..

bin/optimise-svgs.js

@@ -5,52 +5,52 @@ Optimise the SVGs in ./core/images using SVGO from https://github.com/svg/svgo
 
 Install SVGO with the following command in the root of the repo:
 
-npm install svgo
+npm install svgo@2.3.0
 */
 
 "use strict";
 
 var fs = require("fs"),
 	path = require("path"),
-	SVGO = require("svgo"),
-	svgo = new SVGO({
+	{ optimize } = require("svgo"),
+	config = {
 		plugins: [
-			{cleanupAttrs: true},
-			{removeDoctype: true},
-			{removeXMLProcInst: true},
-			{removeComments: true},
-			{removeMetadata: true},
-			{removeTitle: true},
-			{removeDesc: true},
-			{removeUselessDefs: true},
-			{removeEditorsNSData: true},
-			{removeEmptyAttrs: true},
-			{removeHiddenElems: true},
-			{removeEmptyText: true},
-			{removeEmptyContainers: true},
-			{removeViewBox: false},
-			{cleanupEnableBackground: true},
-			{convertStyleToAttrs: true},
-			{convertColors: true},
-			{convertPathData: true},
-			{convertTransform: true},
-			{removeUnknownsAndDefaults: true},
-			{removeNonInheritableGroupAttrs: true},
-			{removeUselessStrokeAndFill: true},
-			{removeUnusedNS: true},
-			{cleanupIDs: true},
-			{cleanupNumericValues: true},
-			{moveElemsAttrsToGroup: true},
-			{moveGroupAttrsToElems: true},
-			{collapseGroups: true},
-			{removeRasterImages: false},
-			{mergePaths: true},
-			{convertShapeToPath: true},
-			{sortAttrs: true},
-			{removeDimensions: false},
-			{removeAttrs: {attrs: "(stroke|fill)"}}
+			'cleanupAttrs',
+			'removeDoctype',
+			'removeXMLProcInst',
+			'removeComments',
+			'removeMetadata',
+			'removeTitle',
+			'removeDesc',
+			'removeUselessDefs',
+			'removeEditorsNSData',
+			'removeEmptyAttrs',
+			'removeHiddenElems',
+			'removeEmptyText',
+			'removeEmptyContainers',
+			// 'removeViewBox',
+			'cleanupEnableBackground',
+			'convertStyleToAttrs',
+			'convertColors',
+			'convertPathData',
+			'convertTransform',
+			'removeUnknownsAndDefaults',
+			'removeNonInheritableGroupAttrs',
+			'removeUselessStrokeAndFill',
+			'removeUnusedNS',
+			'cleanupIDs',
+			'cleanupNumericValues',
+			'moveElemsAttrsToGroup',
+			'moveGroupAttrsToElems',
+			'collapseGroups',
+			// 'removeRasterImages',
+			'mergePaths',
+			'convertShapeToPath',
+			'sortAttrs',
+			//'removeDimensions',
+			{name: 'removeAttrs', params: { attrs: '(stroke|fill)' } }
 		]
-	});
+	};
 
 var basepath = "./core/images/",
 	files = fs.readdirSync(basepath).sort();
@@ -66,12 +66,14 @@ files.forEach(function(filename) {
 			fakeSVG = body.join("\n");
 		// A hack to make the new-journal-button work
 		fakeSVG = fakeSVG.replace("<<now \"DD\">>","&lt;&lt;now &quot;DD&quot;&gt;&gt;");
-		svgo.optimize(fakeSVG, {path: filepath}).then(function(result) {
+		config.path = filepath;
+		var result = optimize(fakeSVG,config);
+		if(result) {
 			var newSVG = header.join("\n") + "\n\n" + result.data.replace("&lt;&lt;now &quot;DD&quot;&gt;&gt;","<<now \"DD\">>");
 			fs.writeFileSync(filepath,newSVG);
-		},function(err) {
+		} else {
 			console.log("Error " + err + " with " + filename)
 			process.exit();
-		});
+		};
 	}
 });

boot/boot.js

@@ -267,8 +267,16 @@ $tw.utils.htmlDecode = function(s) {
 Get the browser location.hash. We don't use location.hash because of the way that Firefox auto-urldecodes it (see http://stackoverflow.com/questions/1703552/encoding-of-window-location-hash)
 */
 $tw.utils.getLocationHash = function() {
-	var parts = window.location.href.split('#');
-	return "#" + (parts.length > 1 ? parts[1] : "");
+	var href = window.location.href;
+	var idx = href.indexOf('#');
+	if(idx === -1) {
+		return "#";
+	} else if(idx < href.length-1 && href[idx+1] === '#') {
+		// Special case: ignore location hash if it itself starts with a #
+		return "#";
+	} else {
+		return href.substring(idx);
+	}
 };
 
 /*
@@ -297,13 +305,21 @@ $tw.utils.stringifyDate = function(value) {
 // Parse a date from a UTC YYYYMMDDHHMMSSmmm format string
 $tw.utils.parseDate = function(value) {
 	if(typeof value === "string") {
-		return new Date(Date.UTC(parseInt(value.substr(0,4),10),
+		var negative = 1;
+		if(value.charAt(0) === "-") {
+			negative = -1;
+			value = value.substr(1);
+		}
+		var year = parseInt(value.substr(0,4),10) * negative,
+			d = new Date(Date.UTC(year,
 				parseInt(value.substr(4,2),10)-1,
 				parseInt(value.substr(6,2),10),
 				parseInt(value.substr(8,2)||"00",10),
 				parseInt(value.substr(10,2)||"00",10),
 				parseInt(value.substr(12,2)||"00",10),
 				parseInt(value.substr(14,3)||"000",10)));
+		  d.setUTCFullYear(year); // See https://stackoverflow.com/a/5870822
+		  return d;
 	} else if($tw.utils.isDate(value)) {
 		return value;
 	} else {
@@ -652,11 +668,13 @@ $tw.utils.PasswordPrompt.prototype.createPrompt = function(options) {
 	var promptInfo = {
 		serviceName: options.serviceName,
 		callback: options.callback,
-		form: form
+		form: form,
+		owner: this
 	};
 	this.passwordPrompts.push(promptInfo);
 	// Make sure the wrapper is displayed
 	this.setWrapperDisplay();
+	return promptInfo;
 };
 
 $tw.utils.PasswordPrompt.prototype.removePrompt = function(promptInfo) {
@@ -874,6 +892,19 @@ $tw.modules.applyMethods = function(moduleType,targetObject) {
 	return targetObject;
 };
 
+/*
+Return a class created from a modules. The module should export the properties to be added to those of the optional base class
+*/
+$tw.modules.createClassFromModule = function(moduleExports,baseClass) {
+	var newClass = function() {};
+	if(baseClass) {
+		newClass.prototype = new baseClass();
+		newClass.prototype.constructor = baseClass;
+	}
+	$tw.utils.extend(newClass.prototype,moduleExports);
+	return newClass;
+};
+
 /*
 Return an array of classes created from the modules of a specified type. Each module should export the properties to be added to those of the optional base class
 */
@@ -881,13 +912,7 @@ $tw.modules.createClassesFromModules = function(moduleType,subType,baseClass) {
 	var classes = Object.create(null);
 	$tw.modules.forEachModuleOfType(moduleType,function(title,moduleExports) {
 		if(!subType || moduleExports.types[subType]) {
-			var newClass = function() {};
-			if(baseClass) {
-				newClass.prototype = new baseClass();
-				newClass.prototype.constructor = baseClass;
-			}
-			$tw.utils.extend(newClass.prototype,moduleExports);
-			classes[moduleExports.name] = newClass;
+			classes[moduleExports.name] = $tw.modules.createClassFromModule(moduleExports,baseClass);
 		}
 	});
 	return classes;
@@ -1129,7 +1154,7 @@ $tw.Wiki = function(options) {
 				var index = tiddlerTitles.indexOf(title);
 				if(index !== -1) {
 					tiddlerTitles.splice(index,1);
-				}				
+				}
 			}
 			// Record the new tiddler state
 			updateDescriptor["new"] = {
@@ -1270,13 +1295,13 @@ $tw.Wiki = function(options) {
 		$tw.utils.each(titles || getTiddlerTitles(),function(title) {
 			var tiddler = tiddlers[title];
 			if(tiddler) {
-				if(tiddler.fields.type === "application/json" && tiddler.hasField("plugin-type")) {
+				if(tiddler.fields.type === "application/json" && tiddler.hasField("plugin-type") && tiddler.fields.text) {
 					pluginInfo[tiddler.fields.title] = JSON.parse(tiddler.fields.text);
 					results.modifiedPlugins.push(tiddler.fields.title);
 				}
 			} else {
 				if(pluginInfo[title]) {
-					delete pluginInfo[title];					
+					delete pluginInfo[title];
 					results.deletedPlugins.push(title);
 				}
 			}
@@ -1822,7 +1847,7 @@ $tw.loadTiddlersFromSpecification = function(filepath,excludeRegExp) {
 	// Read the specification
 	var filesInfo = JSON.parse(fs.readFileSync(filepath + path.sep + "tiddlywiki.files","utf8"));
 	// Helper to process a file
-	var processFile = function(filename,isTiddlerFile,fields) {
+	var processFile = function(filename,isTiddlerFile,fields,isEditableFile) {
 		var extInfo = $tw.config.fileExtensionInfo[path.extname(filename)],
 			type = (extInfo || {}).type || fields.type || "text/plain",
 			typeInfo = $tw.config.contentTypeInfo[type] || {},
@@ -1875,7 +1900,11 @@ $tw.loadTiddlersFromSpecification = function(filepath,excludeRegExp) {
 				}
 			});
 		});
-		tiddlers.push({tiddlers: fileTiddlers});
+		if(isEditableFile) {
+			tiddlers.push({filepath: pathname, hasMetaFile: !!metadata && !isTiddlerFile, isEditableFile: true, tiddlers: fileTiddlers});
+		} else {
+			tiddlers.push({tiddlers: fileTiddlers});
+		}
 	};
 	// Process the listed tiddlers
 	$tw.utils.each(filesInfo.tiddlers,function(tidInfo) {
@@ -1898,15 +1927,21 @@ $tw.loadTiddlersFromSpecification = function(filepath,excludeRegExp) {
 			}
 		} else {
 			// Process directory specifier
-			var dirPath = path.resolve(filepath,dirSpec.path),
-				files = fs.readdirSync(dirPath),
-				fileRegExp = new RegExp(dirSpec.filesRegExp || "^.*$"),
-				metaRegExp = /^.*\.meta$/;
-			for(var t=0; t<files.length; t++) {
-				var filename = files[t];
-				if(filename !== "tiddlywiki.files" && !metaRegExp.test(filename) && fileRegExp.test(filename)) {
-					processFile(dirPath + path.sep + filename,dirSpec.isTiddlerFile,dirSpec.fields);
+			var dirPath = path.resolve(filepath,dirSpec.path);
+			if(fs.existsSync(dirPath) && fs.statSync(dirPath).isDirectory()) {
+				var	files = fs.readdirSync(dirPath),
+					fileRegExp = new RegExp(dirSpec.filesRegExp || "^.*$"),
+					metaRegExp = /^.*\.meta$/;
+				for(var t=0; t<files.length; t++) {
+					var filename = files[t];
+					if(filename !== "tiddlywiki.files" && !metaRegExp.test(filename) && fileRegExp.test(filename)) {
+						processFile(dirPath + path.sep + filename,dirSpec.isTiddlerFile,dirSpec.fields,dirSpec.isEditableFile);
+					}
 				}
+			} else {
+				console.log("Warning: a directory in a tiddlywiki.files file does not exist.");
+				console.log("dirPath: " + dirPath);
+				console.log("tiddlywiki.files location: " + filepath);
 			}
 		}
 	});
@@ -2046,6 +2081,11 @@ $tw.loadWikiTiddlers = function(wikiPath,options) {
 	} else {
 		return null;
 	}
+	// Save the path to the tiddlers folder for the filesystemadaptor
+	var config = wikiInfo.config || {};
+	if($tw.boot.wikiPath == wikiPath) {
+		$tw.boot.wikiTiddlersPath = path.resolve($tw.boot.wikiPath,config["default-tiddler-location"] || $tw.config.wikiTiddlersSubDir);
+	}
 	// Load any parent wikis
 	if(wikiInfo.includeWikis) {
 		parentPaths = parentPaths.slice(0);
@@ -2079,27 +2119,31 @@ $tw.loadWikiTiddlers = function(wikiPath,options) {
 				$tw.boot.files[tiddler.title] = {
 					filepath: tiddlerFile.filepath,
 					type: tiddlerFile.type,
-					hasMetaFile: tiddlerFile.hasMetaFile
+					hasMetaFile: tiddlerFile.hasMetaFile,
+					isEditableFile: config["retain-original-tiddler-path"] || tiddlerFile.isEditableFile || tiddlerFile.filepath.indexOf($tw.boot.wikiTiddlersPath) !== 0
 				};
 			});
 		}
 		$tw.wiki.addTiddlers(tiddlerFile.tiddlers);
 	});
-	// Save the original tiddler file locations if requested
-	var config = wikiInfo.config || {};
-	if(config["retain-original-tiddler-path"]) {
-		var output = {}, relativePath;
+	if ($tw.boot.wikiPath == wikiPath) {
+		// Save the original tiddler file locations if requested
+		var output = {}, relativePath, fileInfo;
 		for(var title in $tw.boot.files) {
-			relativePath = path.relative(resolvedWikiPath,$tw.boot.files[title].filepath);
-			output[title] =
-				path.sep === "/" ?
-				relativePath :
-				relativePath.split(path.sep).join("/");
+			fileInfo = $tw.boot.files[title];
+			if(fileInfo.isEditableFile) {
+				relativePath = path.relative($tw.boot.wikiTiddlersPath,fileInfo.filepath);
+				fileInfo.originalpath = relativePath;
+				output[title] =
+					path.sep === "/" ?
+					relativePath :
+					relativePath.split(path.sep).join("/");
+			}
+		}
+		if(Object.keys(output).length > 0){
+			$tw.wiki.addTiddler({title: "$:/config/OriginalTiddlerPaths", type: "application/json", text: JSON.stringify(output)});
 		}
-		$tw.wiki.addTiddler({title: "$:/config/OriginalTiddlerPaths", type: "application/json", text: JSON.stringify(output)});
 	}
-	// Save the path to the tiddlers folder for the filesystemadaptor
-	$tw.boot.wikiTiddlersPath = path.resolve($tw.boot.wikiPath,config["default-tiddler-location"] || $tw.config.wikiTiddlersSubDir);
 	// Load any plugins within the wiki folder
 	var wikiPluginsPath = path.resolve(wikiPath,$tw.config.wikiPluginsSubDir);
 	if(fs.existsSync(wikiPluginsPath)) {
@@ -2146,7 +2190,7 @@ $tw.loadTiddlersNode = function() {
 	// Load any extra plugins
 	$tw.utils.each($tw.boot.extraPlugins,function(name) {
 		if(name.charAt(0) === "+") { // Relative path to plugin
-			var pluginFields = $tw.loadPluginFolder(name.substring(1));;
+			var pluginFields = $tw.loadPluginFolder(name.substring(1));
 			if(pluginFields) {
 				$tw.wiki.addTiddler(pluginFields);
 			}
@@ -2155,7 +2199,7 @@ $tw.loadTiddlersNode = function() {
 				type = parts[0];
 			if(parts.length  === 3 && ["plugins","themes","languages"].indexOf(type) !== -1) {
 				$tw.loadPlugins([parts[1] + "/" + parts[2]],$tw.config[type + "Path"],$tw.config[type + "EnvVar"]);
-			}			
+			}
 		}
 	});
 	// Load the tiddlers from the wiki directory
@@ -2258,12 +2302,14 @@ $tw.boot.initStartup = function(options) {
 	$tw.utils.registerFileType("application/zip","base64",".zip");
 	$tw.utils.registerFileType("application/x-zip-compressed","base64",".zip");
 	$tw.utils.registerFileType("image/jpeg","base64",[".jpg",".jpeg"],{flags:["image"]});
+	$tw.utils.registerFileType("image/jpg","base64",[".jpg",".jpeg"],{flags:["image"]});
 	$tw.utils.registerFileType("image/png","base64",".png",{flags:["image"]});
 	$tw.utils.registerFileType("image/gif","base64",".gif",{flags:["image"]});
 	$tw.utils.registerFileType("image/webp","base64",".webp",{flags:["image"]});
 	$tw.utils.registerFileType("image/heic","base64",".heic",{flags:["image"]});
 	$tw.utils.registerFileType("image/heif","base64",".heif",{flags:["image"]});
 	$tw.utils.registerFileType("image/svg+xml","utf8",".svg",{flags:["image"]});
+	$tw.utils.registerFileType("image/vnd.microsoft.icon","base64",".ico",{flags:["image"]});
 	$tw.utils.registerFileType("image/x-icon","base64",".ico",{flags:["image"]});
 	$tw.utils.registerFileType("application/font-woff","base64",".woff");
 	$tw.utils.registerFileType("application/x-font-ttf","base64",".woff");
@@ -2421,16 +2467,29 @@ $tw.boot.executeNextStartupTask = function(callback) {
 };
 
 /*
-Returns true if we are running on one platforms specified in a task modules `platforms` array
+Returns true if we are running on one of the platforms specified in taskModule's
+`platforms` array; or if `platforms` property is not defined.
 */
 $tw.boot.doesTaskMatchPlatform = function(taskModule) {
 	var platforms = taskModule.platforms;
 	if(platforms) {
 		for(var t=0; t<platforms.length; t++) {
-			if((platforms[t] === "browser" && !$tw.browser) || (platforms[t] === "node" && !$tw.node)) {
-				return false;
+			switch (platforms[t]) {
+				case "browser":
+					if ($tw.browser) {
+						return true;
+					}
+					break;
+				case "node":
+					if ($tw.node) {
+						return true;
+					}
+					break;
+				default:
+					$tw.utils.error("Module " + taskModule.name + ": '" + platforms[t] + "' in export.platforms invalid");
 			}
 		}
+		return false;
 	}
 	return true;
 };

core/copyright.tid

@@ -4,7 +4,7 @@ type: text/plain
 TiddlyWiki created by Jeremy Ruston, (jeremy [at] jermolene [dot] com)
 
 Copyright (c) 2004-2007, Jeremy Ruston
-Copyright (c) 2007-2020, UnaMesa Association
+Copyright (c) 2007-2021, UnaMesa Association
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without

core/images/minus-button.tid

@@ -0,0 +1,4 @@
+title: $:/core/images/minus-button
+tags: $:/tags/Image
+
+<svg width="22pt" height="22pt" class="tc-image-minus-button tc-image-button" viewBox="0 0 128 128"><path d="M64 0c35.346 0 64 28.654 64 64 0 35.346-28.654 64-64 64-35.346 0-64-28.654-64-64C0 28.654 28.654 0 64 0zm.332 16c-26.51 0-48 21.49-48 48s21.49 48 48 48 48-21.49 48-48-21.49-48-48-48z"/><rect width="80" height="16" x="24" y="56" rx="8"/></svg>

core/images/plugin-generic-language.tid

@@ -1,4 +1,4 @@
 title: $:/core/images/plugin-generic-language
 tags: $:/tags/Image
 
-<svg width="22pt" height="22pt" viewBox="0 0 128 128"><path fill-rule="evenodd" d="M61.207 68.137c-4.324 2.795-6.999 6.656-6.999 10.921 0 7.906 9.19 14.424 21.042 15.336 2.162 3.902 8.598 6.785 16.318 7.01-5.126-1.125-9.117-3.742-10.62-7.01C92.805 93.487 102 86.967 102 79.059c0-8.53-10.699-15.445-23.896-15.445-6.599 0-12.572 1.729-16.897 4.524zm12.794-14.158c-4.324 2.795-10.298 4.524-16.897 4.524-2.619 0-5.14-.272-7.497-.775-3.312 2.25-8.383 3.69-14.067 3.69l-.255-.002c4.119-.892 7.511-2.747 9.478-5.13-6.925-2.704-11.555-7.617-11.555-13.228 0-8.53 10.699-15.445 23.896-15.445C70.301 27.613 81 34.528 81 43.058c0 4.265-2.675 8.126-6.999 10.921zM64 0l54.56 32v64L64 128 9.44 96V32L64 0z"/></svg>
+<svg width="22pt" height="22pt" viewBox="0 0 128 128" class="tc-image-plugin-generic-language tc-image-button"><path fill-rule="evenodd" d="M61.207 68.137c-4.324 2.795-6.999 6.656-6.999 10.921 0 7.906 9.19 14.424 21.042 15.336 2.162 3.902 8.598 6.785 16.318 7.01-5.126-1.125-9.117-3.742-10.62-7.01C92.805 93.487 102 86.967 102 79.059c0-8.53-10.699-15.445-23.896-15.445-6.599 0-12.572 1.729-16.897 4.524zm12.794-14.158c-4.324 2.795-10.298 4.524-16.897 4.524-2.619 0-5.14-.272-7.497-.775-3.312 2.25-8.383 3.69-14.067 3.69l-.255-.002c4.119-.892 7.511-2.747 9.478-5.13-6.925-2.704-11.555-7.617-11.555-13.228 0-8.53 10.699-15.445 23.896-15.445C70.301 27.613 81 34.528 81 43.058c0 4.265-2.675 8.126-6.999 10.921zM64 0l54.56 32v64L64 128 9.44 96V32L64 0z"/></svg>

core/images/plugin-generic-plugin.tid

@@ -1,4 +1,4 @@
 title: $:/core/images/plugin-generic-plugin
 tags: $:/tags/Image
 
-<svg width="22pt" height="22pt" viewBox="0 0 128 128"><path fill-rule="evenodd" d="M40.397 76.446V95.34h14.12l-.001-.005a6.912 6.912 0 005.364-11.593l.046-.023a6.912 6.912 0 119.979.526l.086.055a6.914 6.914 0 004.408 10.948l-.023.092h21.32V75.568l-.15.038a6.912 6.912 0 00-11.593-5.364l-.022-.046a6.912 6.912 0 11.526-9.979l.055-.086a6.914 6.914 0 0010.948-4.408c.079.018.158.038.236.059v-15.74h-21.32l.023-.094a6.914 6.914 0 01-4.408-10.947 10.23 10.23 0 00-.086-.055 6.912 6.912 0 10-9.979-.526l-.046.023a6.912 6.912 0 01-5.364 11.593l.001.005h-14.12v12.847A6.912 6.912 0 0129.5 59.843l-.054.086a6.912 6.912 0 10-.526 9.979l.023.046a6.912 6.912 0 0111.455 6.492zM64 0l54.56 32v64L64 128 9.44 96V32L64 0z"/></svg>
+<svg width="22pt" height="22pt" viewBox="0 0 128 128" class="tc-image-plugin-generic-plugin tc-image-button"><path fill-rule="evenodd" d="M40.397 76.446V95.34h14.12l-.001-.005a6.912 6.912 0 005.364-11.593l.046-.023a6.912 6.912 0 119.979.526l.086.055a6.914 6.914 0 004.408 10.948l-.023.092h21.32V75.568l-.15.038a6.912 6.912 0 00-11.593-5.364l-.022-.046a6.912 6.912 0 11.526-9.979l.055-.086a6.914 6.914 0 0010.948-4.408c.079.018.158.038.236.059v-15.74h-21.32l.023-.094a6.914 6.914 0 01-4.408-10.947 10.23 10.23 0 00-.086-.055 6.912 6.912 0 10-9.979-.526l-.046.023a6.912 6.912 0 01-5.364 11.593l.001.005h-14.12v12.847A6.912 6.912 0 0129.5 59.843l-.054.086a6.912 6.912 0 10-.526 9.979l.023.046a6.912 6.912 0 0111.455 6.492zM64 0l54.56 32v64L64 128 9.44 96V32L64 0z"/></svg>

core/images/plugin-generic-theme.tid

@@ -1,4 +1,4 @@
 title: $:/core/images/plugin-generic-theme
 tags: $:/tags/Image
 
-<svg width="22pt" height="22pt" viewBox="0 0 128 128"><path fill-rule="evenodd" d="M29.408 91.472L51.469 69.41l-.004-.005a2.22 2.22 0 01.004-3.146c.87-.87 2.281-.872 3.147-.005l9.465 9.464a2.22 2.22 0 01-.005 3.147c-.87.87-2.28.871-3.147.005l-.005-.005-22.061 22.062a6.686 6.686 0 11-9.455-9.455zM60.802 66.38c-2.436-2.704-4.465-5.091-5.817-6.869-6.855-9.014-10.313-4.268-14.226 0-3.913 4.268 1.03 7.726-2.683 10.741-3.713 3.015-3.484 4.06-9.752-1.455-6.267-5.516-6.7-7.034-3.823-10.181 2.877-3.147 5.281 1.808 11.159-3.785 5.877-5.593.94-10.55.94-10.55s12.237-25.014 28.588-23.167c16.351 1.848-6.186-2.392-11.792 17.226-2.4 8.4.447 6.42 4.998 9.968 1.394 1.086 6.03 4.401 11.794 8.685l20.677-20.676 1.615-4.766 7.84-4.689 3.151 3.152-4.688 7.84-4.766 1.615-20.224 20.223c12.663 9.547 28.312 22.146 28.312 26.709 0 7.217-3.071 11.526-9.535 9.164-4.693-1.715-18.768-15.192-28.753-25.897l-2.893 2.893-3.151-3.152 3.029-3.029zM63.953 0l54.56 32v64l-54.56 32-54.56-32V32l54.56-32z"/></svg>
+<svg width="22pt" height="22pt" viewBox="0 0 128 128" class="tc-image-plugin-generic-theme tc-image-button"><path fill-rule="evenodd" d="M29.408 91.472L51.469 69.41l-.004-.005a2.22 2.22 0 01.004-3.146c.87-.87 2.281-.872 3.147-.005l9.465 9.464a2.22 2.22 0 01-.005 3.147c-.87.87-2.28.871-3.147.005l-.005-.005-22.061 22.062a6.686 6.686 0 11-9.455-9.455zM60.802 66.38c-2.436-2.704-4.465-5.091-5.817-6.869-6.855-9.014-10.313-4.268-14.226 0-3.913 4.268 1.03 7.726-2.683 10.741-3.713 3.015-3.484 4.06-9.752-1.455-6.267-5.516-6.7-7.034-3.823-10.181 2.877-3.147 5.281 1.808 11.159-3.785 5.877-5.593.94-10.55.94-10.55s12.237-25.014 28.588-23.167c16.351 1.848-6.186-2.392-11.792 17.226-2.4 8.4.447 6.42 4.998 9.968 1.394 1.086 6.03 4.401 11.794 8.685l20.677-20.676 1.615-4.766 7.84-4.689 3.151 3.152-4.688 7.84-4.766 1.615-20.224 20.223c12.663 9.547 28.312 22.146 28.312 26.709 0 7.217-3.071 11.526-9.535 9.164-4.693-1.715-18.768-15.192-28.753-25.897l-2.893 2.893-3.151-3.152 3.029-3.029zM63.953 0l54.56 32v64l-54.56 32-54.56-32V32l54.56-32z"/></svg>

core/images/plus-button.tid

@@ -0,0 +1,4 @@
+title: $:/core/images/plus-button
+tags: $:/tags/Image
+
+<svg width="22pt" height="22pt" class="tc-image-plus-button tc-image-button" viewBox="0 0 128 128"><path d="M64-.333c35.346 0 64 28.654 64 64 0 35.346-28.654 64-64 64-35.346 0-64-28.654-64-64 0-35.346 28.654-64 64-64zM64 16c-26.51 0-48 21.49-48 48s21.49 48 48 48 48-21.49 48-48-21.49-48-48-48z"/><rect width="80" height="16" x="24" y="56" rx="8"/><rect width="16" height="80" x="56" y="24" rx="8"/></svg>

core/language/en-GB/ControlPanel.multids

@@ -17,6 +17,8 @@ Basics/NewJournal/Tags/Prompt: Tags for new journal tiddlers
 Basics/NewTiddler/Title/Prompt: Title of new tiddlers
 Basics/NewTiddler/Tags/Prompt: Tags for new tiddlers
 Basics/OverriddenShadowTiddlers/Prompt: Number of overridden shadow tiddlers
+Basics/RemoveTags: Update to current format
+Basics/RemoveTags/Hint: Update the tags configuration to the latest format
 Basics/ShadowTiddlers/Prompt: Number of shadow tiddlers
 Basics/Subtitle/Prompt: Subtitle
 Basics/SystemTiddlers/Prompt: Number of system tiddlers
@@ -44,6 +46,7 @@ KeyboardShortcuts/Platform/Linux: Linux platform only
 KeyboardShortcuts/Platform/NonLinux: Non-Linux platforms only
 KeyboardShortcuts/Platform/Windows: Windows platform only
 KeyboardShortcuts/Platform/NonWindows: Non-Windows platforms only
+LayoutSwitcher/Caption: Layout
 LoadedModules/Caption: Loaded Modules
 LoadedModules/Hint: These are the currently loaded tiddler modules linked to their source tiddlers. Any italicised modules lack a source tiddler, typically because they were setup during the boot process.
 Palette/Caption: Palette
@@ -120,11 +123,12 @@ Saving/TiddlySpot/BackupDir: Backup Directory
 Saving/TiddlySpot/ControlPanel: ~TiddlySpot Control Panel
 Saving/TiddlySpot/Backups: Backups
 Saving/TiddlySpot/Caption: ~TiddlySpot Saver
-Saving/TiddlySpot/Description: These settings are only used when saving to http://tiddlyspot.com or a compatible remote server
+Saving/TiddlySpot/Description: These settings are only used when saving to [[TiddlySpot|http://tiddlyspot.com]], [[TiddlyHost|https://tiddlyhost.com]], or a compatible remote server. See [[here|https://github.com/simonbaird/tiddlyhost/wiki/TiddlySpot-Saver-configuration-for-Tiddlyhost-and-Tiddlyspot]] for information on ~TiddlySpot and ~TiddlyHost saving configuration.
 Saving/TiddlySpot/Filename: Upload Filename
 Saving/TiddlySpot/Heading: ~TiddlySpot
 Saving/TiddlySpot/Hint: //The server URL defaults to `http://<wikiname>.tiddlyspot.com/store.cgi` and can be changed to use a custom server address, e.g. `http://example.com/store.php`.//
 Saving/TiddlySpot/Password: Password
+Saving/TiddlySpot/ReadOnly: Note that [[TiddlySpot|http://tiddlyspot.com]] no longer allows the creation of new sites. For new sites, you can use [[TiddlyHost|https://tiddlyhost.com]], a new hosting service that replaces ~TiddlySpot.
 Saving/TiddlySpot/ServerURL: Server URL
 Saving/TiddlySpot/UploadDir: Upload Directory
 Saving/TiddlySpot/UserName: Wiki Name

core/language/en-GB/Docs/ModuleTypes.multids

@@ -23,6 +23,7 @@ tiddlerfield: Defines the behaviour of an individual tiddler field.
 tiddlermethod: Adds methods to the `$tw.Tiddler` prototype.
 upgrader: Applies upgrade processing to tiddlers during an upgrade/import.
 utils: Adds methods to `$tw.utils`.
+utils-browser: Adds browser-specific methods to `$tw.utils`.
 utils-node: Adds Node.js-specific methods to `$tw.utils`.
 widget: Widgets encapsulate DOM rendering and refreshing.
 wikimethod: Adds methods to `$tw.Wiki`.

core/language/en-GB/EditTemplate.multids

@@ -3,6 +3,8 @@ title: $:/language/EditTemplate/
 Body/External/Hint: This tiddler shows content stored outside of the main TiddlyWiki file. You can edit the tags and fields but cannot directly edit the content itself
 Body/Placeholder: Type the text for this tiddler
 Body/Preview/Type/Output: output
+Body/Preview/Type/DiffShadow: differences from shadow (if any)
+Body/Preview/Type/DiffCurrent: differences from current
 Field/Remove/Caption: remove field
 Field/Remove/Hint: Remove field
 Field/Dropdown/Caption: field list
@@ -19,6 +21,8 @@ Shadow/OverriddenWarning: This is a modified shadow tiddler. You can revert to t
 Tags/Add/Button: add
 Tags/Add/Button/Hint: add tag
 Tags/Add/Placeholder: tag name
+Tags/ClearInput/Caption: clear input
+Tags/ClearInput/Hint: Clear tag input
 Tags/Dropdown/Caption: tag list
 Tags/Dropdown/Hint: Show tag list
 Title/BadCharacterWarning: Warning: avoid using any of the characters <<bad-chars>> in tiddler titles

core/language/en-GB/Help/listen.tid

@@ -19,9 +19,10 @@ All parameters are optional with safe defaults, and can be specified in any orde
 * ''username'' - optional username for basic authentication
 * ''password'' - optional password for basic authentication
 * ''authenticated-user-header'' - optional name of header to be used for trusted authentication
-* ''readers'' - comma separated list of principals allowed to read from this wiki
-* ''writers'' - comma separated list of principals allowed to write to this wiki
+* ''readers'' - comma-separated list of principals allowed to read from this wiki
+* ''writers'' - comma-separated list of principals allowed to write to this wiki
 * ''csrf-disable'' - set to "yes" to disable CSRF checks (defaults to "no")
+* ''sse-enabled'' - set to "yes" to enable Server-sent events (defaults to "no")
 * ''root-tiddler'' - the tiddler to serve at the root (defaults to "$:/core/save/all")
 * ''root-render-type'' - the content type to which the root tiddler should be rendered (defaults to "text/plain")
 * ''root-serve-type'' - the content type with which the root tiddler should be served (defaults to "text/html")
@@ -29,6 +30,7 @@ All parameters are optional with safe defaults, and can be specified in any orde
 * ''tls-key'' - pathname of TLS key file (relative to wiki folder)
 * ''debug-level'' - optional debug level; set to "debug" to view request details (defaults to "none")
 * ''gzip'' - set to "yes" to enable gzip compression for some http endpoints (defaults to "no")
+* ''use-browser-cache'' - set to "yes" to allow the browser to cache responses to save bandwidth (defaults to "no")
 
 For information on opening up your instance to the entire local network, and possible security concerns, see the WebServer tiddler at TiddlyWiki.com.
 

core/language/en-GB/Help/render.tid

@@ -8,15 +8,15 @@ Optionally, the title of a template tiddler can be specified. In this case, inst
 A name and value for an additional variable may optionally also be specified.
 
 ```
---render <tiddler-filter> [<filename-filter>] [<render-type>] [<template>] [<name>] [<value>]
+--render <tiddler-filter> [<filename-filter>] [<render-type>] [<template>] [ [<name>] [<value>] ]*
 ```
 
 * ''tiddler-filter'': A filter identifying the tiddler(s) to be rendered
 * ''filename-filter'': Optional filter transforming tiddler titles into pathnames. If omitted, defaults to `[is[tiddler]addsuffix[.html]]`, which uses the unchanged tiddler title as the filename
 * ''render-type'': Optional render type: `text/html` (the default) returns the full HTML text and `text/plain` just returns the text content (ie it ignores HTML tags and other unprintable material)
 * ''template'': Optional template through which each tiddler is rendered
-* ''name'': Name of optional variable
-* ''value'': Value of optional variable
+* ''name'': Name of optional variables
+* ''value'': Value of optional variables
 
 By default, the filename is resolved relative to the `output` subdirectory of the edition directory. The `--output` command can be used to direct output to a different directory.
 
@@ -24,8 +24,9 @@ Notes:
 
 * The output directory is not cleared of any existing files
 * Any missing directories in the path to the filename are automatically created.
-* When referring to a tiddler with spaces in its title, take care to use both the quotes required by your shell and also TiddlyWiki's double square brackets : `--render "[[Motovun Jack.jpg]]"`
+* When referring to a tiddler with spaces in its title, take care to use both the quotes required by your shell and also TiddlyWiki's double square brackets: `--render "[[Motovun Jack.jpg]]"`
 * The filename filter is evaluated with the selected items being set to the title of the tiddler currently being rendered, allowing the title to be used as the basis for computing the filename. For example `[encodeuricomponent[]addprefix[static/]]` applies URI encoding to each title, and then adds the prefix `static/`
+* Multiple ''name''/''value'' pairs can be used to pass more than one variable
 * The `--render` command is a more flexible replacement for both the `--rendertiddler` and `--rendertiddlers` commands, which are deprecated
 
 Examples:

core/language/en-GB/Help/save.tid

@@ -16,7 +16,7 @@ Notes:
 
 * The output directory is not cleared of any existing files
 * Any missing directories in the path to the filename are automatically created.
-* When saving a tiddler with spaces in its title, take care to use both the quotes required by your shell and also TiddlyWiki's double square brackets : `--save "[[Motovun Jack.jpg]]"`
+* When saving a tiddler with spaces in its title, take care to use both the quotes required by your shell and also TiddlyWiki's double square brackets: `--save "[[Motovun Jack.jpg]]"`
 * The filename filter is evaluated with the selected items being set to the title of the tiddler currently being saved, allowing the title to be used as the basis for computing the filename. For example `[encodeuricomponent[]addprefix[static/]]` applies URI encoding to each title, and then adds the prefix `static/`
 * The `--save` command is a more flexible replacement for both the `--savetiddler` and `--savetiddlers` commands, which are deprecated
 

core/language/en-GB/Import.multids

@@ -1,5 +1,6 @@
 title: $:/language/Import/
 
+Editor/Import/Heading: Import images and insert them into the editor.
 Imported/Hint: The following tiddlers were imported:
 Listing/Cancel/Caption: Cancel
 Listing/Hint: These tiddlers are ready to import:
@@ -13,11 +14,20 @@ Listing/Preview/TextRaw: Text (Raw)
 Listing/Preview/Fields: Fields
 Listing/Preview/Diff: Diff
 Listing/Preview/DiffFields: Diff (Fields)
-Upgrader/Plugins/Suppressed/Incompatible: Blocked incompatible or obsolete plugin
-Upgrader/Plugins/Suppressed/Version: Blocked plugin (due to incoming <<incoming>> being older than existing <<existing>>)
-Upgrader/Plugins/Upgraded: Upgraded plugin from <<incoming>> to <<upgraded>>
-Upgrader/State/Suppressed: Blocked temporary state tiddler
-Upgrader/System/Suppressed: Blocked system tiddler
-Upgrader/System/Warning: Core module tiddler
-Upgrader/System/Alert: You are about to import a tiddler that will overwrite a core module tiddler. This is not recommended as it may make the system unstable
-Upgrader/ThemeTweaks/Created: Migrated theme tweak from <$text text=<<from>>/>
+Listing/Rename/Tooltip: Rename tiddler before importing
+Listing/Rename/Prompt: Rename to:
+Listing/Rename/ConfirmRename: Rename tiddler
+Listing/Rename/CancelRename: Cancel
+Listing/Rename/OverwriteWarning: A tiddler with this title already exists.
+Upgrader/Plugins/Suppressed/Incompatible: Blocked incompatible or obsolete plugin.
+Upgrader/Plugins/Suppressed/Version: Blocked plugin (due to incoming <<incoming>> not being newer than existing <<existing>>).
+Upgrader/Plugins/Upgraded: Upgraded plugin from <<incoming>> to <<upgraded>>.
+Upgrader/State/Suppressed: Blocked temporary state tiddler.
+Upgrader/System/Disabled: Disabled system tiddler.
+Upgrader/System/Suppressed: Blocked system tiddler.
+Upgrader/System/Warning: Core module tiddler.
+Upgrader/System/Alert: You are about to import a tiddler that will overwrite a core module tiddler. This is not recommended as it may make the system unstable.
+Upgrader/ThemeTweaks/Created: Migrated theme tweak from <$text text=<<from>>/>.
+Upgrader/Tiddler/Disabled: Disabled tiddler.
+Upgrader/Tiddler/Selected: User selected.
+Upgrader/Tiddler/Unselected: Unselected tiddler.

core/language/en-GB/Misc.multids

@@ -10,6 +10,7 @@ ConfirmCancelTiddler: Do you wish to discard changes to the tiddler "<$text text
 ConfirmDeleteTiddler: Do you wish to delete the tiddler "<$text text=<<title>>/>"?
 ConfirmOverwriteTiddler: Do you wish to overwrite the tiddler "<$text text=<<title>>/>"?
 ConfirmEditShadowTiddler: You are about to edit a ShadowTiddler. Any changes will override the default system making future upgrades non-trivial. Are you sure you want to edit "<$text text=<<title>>/>"?
+ConfirmAction: Do you wish to proceed?
 Count: count
 DefaultNewTiddlerTitle: New Tiddler
 Diffs/CountMessage: <<diff-count>> differences
@@ -23,13 +24,16 @@ Encryption/RepeatPassword: Repeat password
 Encryption/PasswordNoMatch: Passwords do not match
 Encryption/SetPassword: Set password
 Error/Caption: Error
-Error/EditConflict: File changed on server
 Error/Filter: Filter error
 Error/FilterSyntax: Syntax error in filter expression
+Error/FilterRunPrefix: Filter Error: Unknown prefix for filter run
 Error/IsFilterOperator: Filter Error: Unknown operand for the 'is' filter operator
 Error/FormatFilterOperator: Filter Error: Unknown suffix for the 'format' filter operator
 Error/LoadingPluginLibrary: Error loading plugin library
 Error/NetworkErrorAlert: `<h2>''Network Error''</h2>It looks like the connection to the server has been lost. This may indicate a problem with your network connection. Please attempt to restore network connectivity before continuing.<br><br>''Any unsaved changes will be automatically synchronised when connectivity is restored''.`
+Error/PutEditConflict: File changed on server
+Error/PutForbidden: Permission denied
+Error/PutUnauthorized: Authentication required
 Error/RecursiveTransclusion: Recursive transclusion error in transclude widget
 Error/RetrievingSkinny: Error retrieving skinny tiddler list
 Error/SavingToTWEdit: Error saving to TWEdit
@@ -38,6 +42,7 @@ Error/XMLHttpRequest: XMLHttpRequest error code
 InternalJavaScriptError/Title: Internal JavaScript Error
 InternalJavaScriptError/Hint: Well, this is embarrassing. It is recommended that you restart TiddlyWiki by refreshing your browser
 InvalidFieldName: Illegal characters in field name "<$text text=<<fieldName>>/>". Fields can only contain lowercase letters, digits and the characters underscore (`_`), hyphen (`-`) and period (`.`)
+LayoutSwitcher/Description: Open the layout switcher
 LazyLoadingWarning: <p>Trying to load external content from ''<$text text={{!!_canonical_uri}}/>''</p><p>If this message doesn't disappear, either the tiddler content type doesn't match the type of the external content, or you may be using a browser that doesn't support external content for wikis loaded as standalone files. See https://tiddlywiki.com/#ExternalText</p>
 LoginToTiddlySpace: Login to TiddlySpace
 Manager/Controls/FilterByTag/None: (none)
@@ -61,13 +66,23 @@ MissingTiddler/Hint: Missing tiddler "<$text text=<<currentTiddler>>/>" -- click
 No: No
 OfficialPluginLibrary: Official ~TiddlyWiki Plugin Library
 OfficialPluginLibrary/Hint: The official ~TiddlyWiki plugin library at tiddlywiki.com. Plugins, themes and language packs are maintained by the core team.
+PageTemplate/Description: the default ~TiddlyWiki layout
+PageTemplate/Name: Default ~PageTemplate
 PluginReloadWarning: Please save {{$:/core/ui/Buttons/save-wiki}} and reload {{$:/core/ui/Buttons/refresh}} to allow changes to ~JavaScript plugins to take effect
 RecentChanges/DateFormat: DDth MMM YYYY
+Shortcuts/Input/AdvancedSearch/Hint: Open the ~AdvancedSearch panel from within the sidebar search field
 Shortcuts/Input/Accept/Hint: Accept the selected item
 Shortcuts/Input/AcceptVariant/Hint: Accept the selected item (variant)
 Shortcuts/Input/Cancel/Hint: Clear the input field
 Shortcuts/Input/Down/Hint: Select the next item
+Shortcuts/Input/Tab-Left/Hint: Select the previous Tab
+Shortcuts/Input/Tab-Right/Hint: Select the next Tab
 Shortcuts/Input/Up/Hint: Select the previous item
+Shortcuts/SidebarLayout/Hint: Change the sidebar layout
+Switcher/Subtitle/theme: Switch Theme
+Switcher/Subtitle/layout: Switch Layout
+Switcher/Subtitle/language: Switch Language
+Switcher/Subtitle/palette: Switch Palette
 SystemTiddler/Tooltip: This is a system tiddler
 SystemTiddlers/Include/Prompt: Include system tiddlers
 TagManager/Colour/Heading: Colour

core/language/en-GB/TiddlerInfo.multids

@@ -14,7 +14,7 @@ List/Caption: List
 List/Empty: This tiddler does not have a list
 Listed/Caption: Listed
 Listed/Empty: This tiddler is not listed by any others
-References/Caption: References
+References/Caption: Backlinks
 References/Empty: No tiddlers link to this one
 Tagging/Caption: Tagging
 Tagging/Empty: No tiddlers are tagged with this one

core/modules/commander.js

@@ -154,7 +154,7 @@ Commander.prototype.extractNamedParameters = function(params,mandatoryParameters
 	if(errors.length > 0) {
 		return errors.join(" and\n");
 	} else {
-		return paramsByName;		
+		return paramsByName;
 	}
 };
 

core/modules/commands/fetch.js

@@ -115,7 +115,7 @@ Command.prototype.fetchFile = function(url,options,callback,redirectCount) {
 	        	if(response.statusCode === 302 || response.statusCode === 303 || response.statusCode === 307) {
 	        		return self.fetchFile(response.headers.location,options,callback,redirectCount + 1);
 	        	} else {
-		        	return callback("Error " + response.statusCode + " retrieving " + url)	        		
+		        	return callback("Error " + response.statusCode + " retrieving " + url)
 	        	}
 	        }
 	   	});

core/modules/commands/render.js

@@ -37,16 +37,16 @@ Command.prototype.execute = function() {
 		filenameFilter = this.params[1] || "[is[tiddler]addsuffix[.html]]",
 		type = this.params[2] || "text/html",
 		template = this.params[3],
-		varName = this.params[4],
-		varValue = this.params[5],
-		tiddlers = wiki.filterTiddlers(tiddlerFilter);
-	$tw.utils.each(tiddlers,function(title) {
-		var parser = wiki.parseTiddler(template || title),
-			variables = {currentTiddler: title};
-		if(varName) {
-			variables[varName] = varValue || "";
+		variableList = this.params.slice(4),
+		tiddlers = wiki.filterTiddlers(tiddlerFilter),
+		variables =  Object.create(null);
+		while(variableList.length >= 2) {
+			variables[variableList[0]] = variableList[1];
+			variableList = variableList.slice(2);
 		}
-		var widgetNode = wiki.makeWidget(parser,{variables: variables}),
+	$tw.utils.each(tiddlers,function(title) {
+		var parser = wiki.parseTiddler(template || title);
+		var widgetNode = wiki.makeWidget(parser,{variables: $tw.utils.extend({},variables,{currentTiddler: title})}),
 			container = $tw.fakeDocument.createElement("div");
 		widgetNode.render(container,null);
 		var text = type === "text/html" ? container.innerHTML : container.textContent,

core/modules/commands/rendertiddlers.js

@@ -36,7 +36,7 @@ Command.prototype.execute = function() {
 		filter = this.params[0],
 		template = this.params[1],
 		outputPath = this.commander.outputPath,
-		pathname = path.resolve(outputPath,this.params[2]),		
+		pathname = path.resolve(outputPath,this.params[2]),
 		type = this.params[3] || "text/html",
 		extension = this.params[4] || ".html",
 		deleteDirectory = (this.params[5] || "").toLowerCase() !== "noclean",

core/modules/commands/savewikifolder.js

@@ -97,7 +97,7 @@ WikiFolderMaker.prototype.save = function() {
 						// A custom plugin
 						self.log("Processing custom plugin: " + title);
 						self.saveCustomPlugin(tiddler);
-					}				
+					}
 				} else {
 					// Ordinary tiddler
 					self.saveTiddler("tiddlers",tiddler);
@@ -158,11 +158,25 @@ WikiFolderMaker.prototype.saveCustomPlugin = function(pluginTiddler) {
 };
 
 WikiFolderMaker.prototype.saveTiddler = function(directory,tiddler) {
+	var title = tiddler.fields.title, fileInfo, pathFilters, extFilters;
+	if(this.wiki.tiddlerExists("$:/config/FileSystemPaths")) {
+		pathFilters = this.wiki.getTiddlerText("$:/config/FileSystemPaths","").split("\n");
+	}
+	if(this.wiki.tiddlerExists("$:/config/FileSystemExtensions")) {
+		extFilters = this.wiki.getTiddlerText("$:/config/FileSystemExtensions","").split("\n");
+	}
 	var fileInfo = $tw.utils.generateTiddlerFileInfo(tiddler,{
 		directory: path.resolve(this.wikiFolderPath,directory),
-		wiki: this.wiki
+		pathFilters: pathFilters,
+		extFilters: extFilters,
+		wiki: this.wiki,
+		fileInfo: {}
 	});
-	$tw.utils.saveTiddlerToFileSync(tiddler,fileInfo);
+	try {
+		$tw.utils.saveTiddlerToFileSync(tiddler,fileInfo);
+	} catch (err) {
+		console.log("SaveWikiFolder: Error saving file '" + fileInfo.filepath + "', tiddler: '" + tiddler.fields.title);
+	}
 };
 
 WikiFolderMaker.prototype.saveJSONFile = function(filename,json) {

core/modules/config.js

@@ -34,7 +34,7 @@ exports.htmlEntities = {quot:34, amp:38, apos:39, lt:60, gt:62, nbsp:160, iexcl:
 
 exports.htmlVoidElements = "area,base,br,col,command,embed,hr,img,input,keygen,link,meta,param,source,track,wbr".split(",");
 
-exports.htmlBlockElements = "address,article,aside,audio,blockquote,canvas,dd,div,dl,fieldset,figcaption,figure,footer,form,h1,h2,h3,h4,h5,h6,header,hgroup,hr,li,noscript,ol,output,p,pre,section,table,tfoot,ul,video".split(",");
+exports.htmlBlockElements = "address,article,aside,audio,blockquote,canvas,dd,details,div,dl,dt,fieldset,figcaption,figure,footer,form,h1,h2,h3,h4,h5,h6,header,hgroup,hr,li,nav,ol,p,pre,section,summary,table,tfoot,ul,video".split(",");
 
 exports.htmlUnsafeElements = "script".split(",");
 

core/modules/deserializers.js

@@ -31,7 +31,7 @@ var parseTiddlerDiv = function(text /* [,fields] */) {
 		for(var f=1; f<arguments.length; f++) {
 			var fields = arguments[f];
 			for(var t in fields) {
-				result[t] = fields[t];		
+				result[t] = fields[t];
 			}
 		}
 	}

core/modules/editor/engines/framed.js

@@ -42,7 +42,6 @@ function FramedEngine(options) {
 	this.iframeNode.style.border = "none";
 	this.iframeNode.style.padding = "0";
 	this.iframeNode.style.resize = "none";
-	this.iframeNode.style["background-color"] = this.widget.wiki.extractTiddlerDataItem(this.widget.wiki.getTiddlerText("$:/palette"),"tiddler-editor-background");
 	this.iframeDoc.body.style.margin = "0";
 	this.iframeDoc.body.style.padding = "0";
 	this.widget.domNodes.push(this.iframeNode);
@@ -74,6 +73,12 @@ function FramedEngine(options) {
 	if(this.widget.editTabIndex) {
 		this.iframeNode.setAttribute("tabindex",this.widget.editTabIndex);
 	}
+	if(this.widget.editAutoComplete) {
+		this.domNode.setAttribute("autocomplete",this.widget.editAutoComplete);
+	}
+	if(this.widget.isDisabled === "yes") {
+		this.domNode.setAttribute("disabled",true);
+	}
 	// Copy the styles from the dummy textarea
 	this.copyStyles();
 	// Add event listeners
@@ -83,6 +88,18 @@ function FramedEngine(options) {
 		{name: "keydown",handlerObject: this.widget,handlerMethod: "handleKeydownEvent"},
 		{name: "focus",handlerObject: this,handlerMethod: "handleFocusEvent"}
 	]);
+	// Add drag and drop event listeners if fileDrop is enabled
+	if(this.widget.isFileDropEnabled) {
+		$tw.utils.addEventListeners(this.domNode,[
+			{name: "dragenter",handlerObject: this.widget,handlerMethod: "handleDragEnterEvent"},
+			{name: "dragover",handlerObject: this.widget,handlerMethod: "handleDragOverEvent"},
+			{name: "dragleave",handlerObject: this.widget,handlerMethod: "handleDragLeaveEvent"},
+			{name: "dragend",handlerObject: this.widget,handlerMethod: "handleDragEndEvent"},
+			{name: "drop", handlerObject: this.widget,handlerMethod: "handleDropEvent"},
+			{name: "paste", handlerObject: this.widget,handlerMethod: "handlePasteEvent"},
+			{name: "click",handlerObject: this.widget,handlerMethod: "handleClickEvent"}
+		]);
+	}
 	// Insert the element into the DOM
 	this.iframeDoc.body.appendChild(this.domNode);
 }
@@ -97,7 +114,6 @@ FramedEngine.prototype.copyStyles = function() {
 	this.domNode.style.display = "block";
 	this.domNode.style.width = "100%";
 	this.domNode.style.margin = "0";
-	this.domNode.style["background-color"] = this.widget.wiki.extractTiddlerDataItem(this.widget.wiki.getTiddlerText("$:/palette"),"tiddler-editor-background");
 	// In Chrome setting -webkit-text-fill-color overrides the placeholder text colour
 	this.domNode.style["-webkit-text-fill-color"] = "currentcolor";
 };
@@ -166,7 +182,7 @@ Handle a focus event
 */
 FramedEngine.prototype.handleFocusEvent = function(event) {
 	if(this.widget.editCancelPopups) {
-		$tw.popup.cancel(0);	
+		$tw.popup.cancel(0);
 	}
 };
 

core/modules/editor/engines/simple.js

@@ -52,6 +52,12 @@ function SimpleEngine(options) {
 	if(this.widget.editTabIndex) {
 		this.domNode.setAttribute("tabindex",this.widget.editTabIndex);
 	}
+	if(this.widget.editAutoComplete) {
+		this.domNode.setAttribute("autocomplete",this.widget.editAutoComplete);
+	}
+	if(this.widget.isDisabled === "yes") {
+		this.domNode.setAttribute("disabled",true);
+	}
 	// Add an input event handler
 	$tw.utils.addEventListeners(this.domNode,[
 		{name: "focus", handlerObject: this, handlerMethod: "handleFocusEvent"},

core/modules/editor/factory.js

@@ -103,7 +103,11 @@ function editTextWidgetFactory(toolbarEngine,nonToolbarEngine) {
 			var tiddler = this.wiki.getTiddler(this.editTitle);
 			if(tiddler) {
 				// If we've got a tiddler, the value to display is the field string value
-				value = tiddler.getFieldString(this.editField);
+				if(tiddler.hasField(this.editField)) {
+					value = tiddler.getFieldString(this.editField);
+				} else {
+					value = this.editDefault || "";
+				}
 				if(this.editField === "text") {
 					type = tiddler.fields.type || "text/vnd.tiddlywiki";
 				}
@@ -180,6 +184,9 @@ function editTextWidgetFactory(toolbarEngine,nonToolbarEngine) {
 		this.editCancelPopups = this.getAttribute("cancelPopups","") === "yes";
 		this.editInputActions = this.getAttribute("inputActions");
 		this.editRefreshTitle = this.getAttribute("refreshTitle");
+		this.editAutoComplete = this.getAttribute("autocomplete");
+		this.isDisabled = this.getAttribute("disabled","no");
+		this.isFileDropEnabled = this.getAttribute("fileDrop","no") === "yes";
 		// Get the default editor element tag and type
 		var tag,type;
 		if(this.editField === "text") {
@@ -211,7 +218,7 @@ function editTextWidgetFactory(toolbarEngine,nonToolbarEngine) {
 	EditTextWidget.prototype.refresh = function(changedTiddlers) {
 		var changedAttributes = this.computeAttributes();
 		// Completely rerender if any of our attributes have changed
-		if(changedAttributes.tiddler || changedAttributes.field || changedAttributes.index || changedAttributes["default"] || changedAttributes["class"] || changedAttributes.placeholder || changedAttributes.size || changedAttributes.autoHeight || changedAttributes.minHeight || changedAttributes.focusPopup ||  changedAttributes.rows || changedAttributes.tabindex || changedAttributes.cancelPopups || changedAttributes.inputActions || changedAttributes.refreshTitle || changedTiddlers[HEIGHT_MODE_TITLE] || changedTiddlers[ENABLE_TOOLBAR_TITLE]) {
+		if(changedAttributes.tiddler || changedAttributes.field || changedAttributes.index || changedAttributes["default"] || changedAttributes["class"] || changedAttributes.placeholder || changedAttributes.size || changedAttributes.autoHeight || changedAttributes.minHeight || changedAttributes.focusPopup ||  changedAttributes.rows || changedAttributes.tabindex || changedAttributes.cancelPopups || changedAttributes.inputActions || changedAttributes.refreshTitle || changedAttributes.autocomplete || changedTiddlers[HEIGHT_MODE_TITLE] || changedTiddlers[ENABLE_TOOLBAR_TITLE] || changedAttributes.disabled || changedAttributes.fileDrop) {
 			this.refreshSelf();
 			return true;
 		} else if (changedTiddlers[this.editRefreshTitle]) {
@@ -291,21 +298,89 @@ function editTextWidgetFactory(toolbarEngine,nonToolbarEngine) {
 	Propogate keydown events to our container for the keyboard widgets benefit
 	*/
 	EditTextWidget.prototype.propogateKeydownEvent = function(event) {
-		var newEvent = this.document.createEventObject ? this.document.createEventObject() : this.document.createEvent("Events");
-		if(newEvent.initEvent) {
-			newEvent.initEvent("keydown", true, true);
-		}
-		newEvent.keyCode = event.keyCode;
-		newEvent.which = event.which;
-		newEvent.metaKey = event.metaKey;
-		newEvent.ctrlKey = event.ctrlKey;
-		newEvent.altKey = event.altKey;
-		newEvent.shiftKey = event.shiftKey;
+		var newEvent = this.cloneEvent(event,["keyCode","which","metaKey","ctrlKey","altKey","shiftKey"]);
 		return !this.parentDomNode.dispatchEvent(newEvent);
 	};
 
-	return EditTextWidget;
+	EditTextWidget.prototype.cloneEvent = function(event,propertiesToCopy) {
+		var propertiesToCopy = propertiesToCopy || [],
+			newEvent = this.document.createEventObject ? this.document.createEventObject() : this.document.createEvent("Events");
+		if(newEvent.initEvent) {
+			newEvent.initEvent(event.type, true, true);
+		}
+		$tw.utils.each(propertiesToCopy,function(prop){
+			newEvent[prop] = event[prop];
+		});
+		return newEvent;
+	};
 
+	EditTextWidget.prototype.dispatchDOMEvent = function(newEvent) {
+		var dispatchNode = this.engine.iframeNode || this.engine.parentNode;
+		return dispatchNode.dispatchEvent(newEvent);
+	};
+
+	/*
+	Propogate drag and drop events with File data to our container for the dropzone widgets benefit.
+	If there are no Files, let the browser handle it.
+	*/
+	EditTextWidget.prototype.handleDropEvent = function(event) {
+		if(event.dataTransfer.files.length) {
+			event.preventDefault();
+			event.stopPropagation();
+			this.dispatchDOMEvent(this.cloneEvent(event,["dataTransfer"]));
+		} 
+	};
+
+	EditTextWidget.prototype.handlePasteEvent = function(event) {
+		if(event.clipboardData.files.length) {
+			event.preventDefault();
+			event.stopPropagation();
+			this.dispatchDOMEvent(this.cloneEvent(event,["clipboardData"]));
+		}
+	};
+
+	EditTextWidget.prototype.handleDragEnterEvent = function(event) {
+		if($tw.utils.dragEventContainsFiles(event)) {
+			// Ignore excessive events fired by FF when entering and leaving text nodes in a text area.
+			if( event.relatedTarget && (event.relatedTarget.nodeType === 3 || event.target === event.relatedTarget)) {
+				return true;
+			}
+			event.preventDefault();
+			return this.dispatchDOMEvent(this.cloneEvent(event,["dataTransfer"]));
+		}
+		return true;
+	};
+
+	EditTextWidget.prototype.handleDragOverEvent = function(event) {
+		if($tw.utils.dragEventContainsFiles(event)) {
+			// Call preventDefault() in browsers that default to not allowing drop events on textarea
+			if($tw.browser.isFirefox || $tw.browser.isIE) {
+				event.preventDefault();
+			}
+			event.dataTransfer.dropEffect = "copy";
+			return this.dispatchDOMEvent(this.cloneEvent(event,["dataTransfer"]));
+		}
+		return true;
+	};
+
+	EditTextWidget.prototype.handleDragLeaveEvent = function(event) {
+		// Ignore excessive events fired by FF when entering and leaving text nodes in a text area.
+		if(event.relatedTarget && ((event.relatedTarget.nodeType === 3) || (event.target === event.relatedTarget))) {
+			return true;
+		}
+		event.preventDefault();
+		this.dispatchDOMEvent(this.cloneEvent(event,["dataTransfer"]));
+	};
+
+	EditTextWidget.prototype.handleDragEndEvent = function(event) {
+		this.dispatchDOMEvent(this.cloneEvent(event));
+	};
+
+	EditTextWidget.prototype.handleClickEvent = function(event) {
+		return !this.dispatchDOMEvent(this.cloneEvent(event));
+	};
+
+	return EditTextWidget;
 }
 
 exports.editTextWidgetFactory = editTextWidgetFactory;

core/modules/editor/operations/text/insert-text.js

@@ -0,0 +1,23 @@
+/*\
+title: $:/core/modules/editor/operations/text/insert-text.js
+type: application/javascript
+module-type: texteditoroperation
+
+Text editor operation insert text at the caret position. If there is a selection it is replaced.
+
+\*/
+(function(){
+
+/*jslint node: true, browser: true */
+/*global $tw: false */
+"use strict";
+
+exports["insert-text"] = function(event,operation) {
+	operation.replacement = event.paramObject.text;
+	operation.cutStart = operation.selStart;
+	operation.cutEnd = operation.selEnd;
+	operation.newSelStart = operation.selStart + operation.replacement.length;
+	operation.newSelEnd = operation.newSelStart;
+};
+
+})();

core/modules/filterrunprefixes/all.js

@@ -0,0 +1,25 @@
+/*\
+title: $:/core/modules/filterrunprefixes/all.js
+type: application/javascript
+module-type: filterrunprefix
+
+Union of sets without de-duplication.
+Equivalent to = filter run prefix.
+
+\*/
+(function(){
+
+/*jslint node: true, browser: true */
+/*global $tw: false */
+"use strict";
+
+/*
+Export our filter prefix function
+*/
+exports.all = function(operationSubFunction) {
+	return function(results,source,widget) {
+		results.push.apply(results, operationSubFunction(source,widget));
+	};
+};
+
+})();

core/modules/filterrunprefixes/and.js

@@ -0,0 +1,28 @@
+/*\
+title: $:/core/modules/filterrunprefixes/and.js
+type: application/javascript
+module-type: filterrunprefix
+
+Intersection of sets.
+Equivalent to + filter run prefix.
+
+\*/
+(function(){
+
+/*jslint node: true, browser: true */
+/*global $tw: false */
+"use strict";
+
+/*
+Export our filter prefix function
+*/
+exports.and = function(operationSubFunction,options) {
+	return function(results,source,widget) {
+		// This replaces all the elements of the array, but keeps the actual array so that references to it are preserved
+		source = options.wiki.makeTiddlerIterator(results.toArray());
+		results.clear();
+		results.pushTop(operationSubFunction(source,widget));
+	};
+};
+
+})();

core/modules/filterrunprefixes/else.js

@@ -0,0 +1,27 @@
+/*\
+title: $:/core/modules/filterrunprefixes/else.js
+type: application/javascript
+module-type: filterrunprefix
+
+Equivalent to ~ filter run prefix.
+
+\*/
+(function(){
+
+/*jslint node: true, browser: true */
+/*global $tw: false */
+"use strict";
+
+/*
+Export our filter prefix function
+*/
+exports.else = function(operationSubFunction) {
+	return function(results,source,widget) {
+		if(results.length === 0) {
+			// Main result so far is empty
+			results.pushTop(operationSubFunction(source,widget));
+		}
+	};
+};
+
+})();

core/modules/filterrunprefixes/except.js

@@ -0,0 +1,25 @@
+/*\
+title: $:/core/modules/filterrunprefixes/except.js
+type: application/javascript
+module-type: filterrunprefix
+
+Difference of sets.
+Equivalent to - filter run prefix.
+
+\*/
+(function(){
+
+/*jslint node: true, browser: true */
+/*global $tw: false */
+"use strict";
+
+/*
+Export our filter prefix function
+*/
+exports.except = function(operationSubFunction) {
+	return function(results,source,widget) {
+		results.remove(operationSubFunction(source,widget));
+	};
+};
+
+})();

core/modules/filterrunprefixes/filter.js

@@ -0,0 +1,42 @@
+/*\
+title: $:/core/modules/filterrunprefixes/filter.js
+type: application/javascript
+module-type: filterrunprefix
+
+\*/
+(function(){
+
+/*jslint node: true, browser: true */
+/*global $tw: false */
+"use strict";
+
+/*
+Export our filter function
+*/
+exports.filter = function(operationSubFunction,options) {
+	return function(results,source,widget) {
+		if(results.length > 0) {
+			var resultsToRemove = [];
+			results.each(function(title) {
+				var filtered = operationSubFunction(options.wiki.makeTiddlerIterator([title]),{
+					getVariable: function(name) {
+						switch(name) {
+							case "currentTiddler":
+								return "" + title;
+							case "..currentTiddler":
+								return widget.getVariable("currentTiddler");
+							default:
+								return widget.getVariable(name);
+						}
+					}
+				});
+				if(filtered.length === 0) {
+					resultsToRemove.push(title);
+				}
+			});
+			results.remove(resultsToRemove);
+		}
+	}
+};
+
+})();

core/modules/filterrunprefixes/intersection.js

@@ -0,0 +1,31 @@
+/*\
+title: $:/core/modules/filterrunprefixes/intersection.js
+type: application/javascript
+module-type: filterrunprefix
+
+\*/
+(function(){
+
+/*jslint node: true, browser: true */
+/*global $tw: false */
+"use strict";
+
+/*
+Export our filter prefix function
+*/
+exports.intersection = function(operationSubFunction) {
+	return function(results,source,widget) {
+		if(results.length !== 0) {
+			var secondRunResults = operationSubFunction(source,widget);
+			var firstRunResults = results.toArray();
+			results.clear();
+			$tw.utils.each(firstRunResults,function(title) {
+				if(secondRunResults.indexOf(title) !== -1) {
+					results.push(title);
+				}
+			});
+		}
+	};
+};
+
+})();

core/modules/filterrunprefixes/or.js

@@ -0,0 +1,24 @@
+/*\
+title: $:/core/modules/filterrunprefixes/or.js
+type: application/javascript
+module-type: filterrunprefix
+
+Equivalent to a filter run with no prefix.
+
+\*/
+(function(){
+
+/*jslint node: true, browser: true */
+/*global $tw: false */
+"use strict";
+
+/*
+Export our filter prefix function
+*/
+exports.or = function(operationSubFunction) {
+	return function(results,source,widget) {
+		results.pushTop(operationSubFunction(source,widget));
+	};
+};
+
+})();

core/modules/filterrunprefixes/reduce.js

@@ -0,0 +1,52 @@
+/*\
+title: $:/core/modules/filterrunprefixes/reduce.js
+type: application/javascript
+module-type: filterrunprefix
+\*/
+(function(){
+
+/*jslint node: true, browser: true */
+/*global $tw: false */
+"use strict";
+
+/*
+Export our filter prefix function
+*/
+exports.reduce = function(operationSubFunction,options) {
+	return function(results,source,widget) {
+		if(results.length > 0) {
+			var accumulator = "";
+			var index = 0;
+			results.each(function(title) {
+				var list = operationSubFunction(options.wiki.makeTiddlerIterator([title]),{
+					getVariable: function(name) {
+						switch(name) {
+							case "currentTiddler":
+								return "" + title;
+							case "..currentTiddler":
+								return widget.getVariable("currentTiddler");
+							case "accumulator":
+								return "" + accumulator;
+							case "index":
+								return "" + index;
+							case "revIndex":
+								return "" +  (results.length - 1 - index);
+							case "length":
+								return "" + results.length;
+							default:
+								return widget.getVariable(name);
+						}
+					}
+				});
+				if(list.length > 0) {
+					accumulator = "" + list[0];
+				}
+				++index;
+			});
+			results.clear();
+			results.push(accumulator);
+		}
+	}
+};
+
+})();

core/modules/filterrunprefixes/sort.js

@@ -0,0 +1,60 @@
+/*\
+title: $:/core/modules/filterrunprefixes/sort.js
+type: application/javascript
+module-type: filterrunprefix
+
+\*/
+(function(){
+
+/*jslint node: true, browser: true */
+/*global $tw: false */
+"use strict";
+
+/*
+Export our filter prefix function
+*/
+exports.sort = function(operationSubFunction,options) {
+	return function(results,source,widget) {
+		if(results.length > 0) {
+			var suffixes = options.suffixes,
+				sortType = (suffixes[0] && suffixes[0][0]) ? suffixes[0][0] : "string",
+				invert = suffixes[1] ? (suffixes[1].indexOf("reverse") !== -1) : false,
+				isCaseSensitive = suffixes[1] ? (suffixes[1].indexOf("casesensitive") !== -1) : false,
+				inputTitles = results.toArray(),
+				sortKeys = [],
+				indexes = new Array(inputTitles.length),
+				compareFn;
+			results.each(function(title) {
+				var key = operationSubFunction(options.wiki.makeTiddlerIterator([title]),{
+					getVariable: function(name) {
+						switch(name) {
+							case "currentTiddler":
+								return "" + title;
+							case "..currentTiddler":
+								return widget.getVariable("currentTiddler");
+							default:
+								return widget.getVariable(name);
+						}
+					}
+				});
+				sortKeys.push(key[0] || "");
+			});
+			results.clear();
+			// Prepare an array of indexes to sort
+			for(var t=0; t<inputTitles.length; t++) {
+				indexes[t] = t;
+			}
+			// Sort the indexes
+			compareFn = $tw.utils.makeCompareFunction(sortType,{defaultType: "string", invert:invert, isCaseSensitive:isCaseSensitive});
+			indexes = indexes.sort(function(a,b) {
+					return compareFn(sortKeys[a],sortKeys[b]);
+			});
+			// Add to results in correct order
+			$tw.utils.each(indexes,function(index) {
+				results.push(inputTitles[index]);
+			});
+		}
+	}
+};
+
+})();

core/modules/filters.js

@@ -62,42 +62,60 @@ function parseFilterOperation(operators,filterString,p) {
 		else if(operator.operator === "") {
 			operator.operator = "title";
 		}
+		operator.operands = [];
+		var parseOperand = function(bracketType) {
+			var operand = {};
+			switch (bracketType) {
+				case "{": // Curly brackets
+					operand.indirect = true;
+					nextBracketPos = filterString.indexOf("}",p);
+					break;
+				case "[": // Square brackets
+					nextBracketPos = filterString.indexOf("]",p);
+					break;
+				case "<": // Angle brackets
+					operand.variable = true;
+					nextBracketPos = filterString.indexOf(">",p);
+					break;
+				case "/": // regexp brackets
+					var rex = /^((?:[^\\\/]|\\.)*)\/(?:\(([mygi]+)\))?/g,
+						rexMatch = rex.exec(filterString.substring(p));
+					if(rexMatch) {
+						operator.regexp = new RegExp(rexMatch[1], rexMatch[2]);
+	// DEPRECATION WARNING
+	console.log("WARNING: Filter",operator.operator,"has a deprecated regexp operand",operator.regexp);
+						nextBracketPos = p + rex.lastIndex - 1;
+					}
+					else {
+						throw "Unterminated regular expression in filter expression";
+					}
+					break;
+			}
+
+			if(nextBracketPos === -1) {
+				throw "Missing closing bracket in filter expression";
+			}
+			if(!operator.regexp) {
+				operand.text = filterString.substring(p,nextBracketPos);
+				operator.operands.push(operand);
+			}
+			p = nextBracketPos + 1;
+		}
 
 		p = nextBracketPos + 1;
-		switch (bracket) {
-			case "{": // Curly brackets
-				operator.indirect = true;
-				nextBracketPos = filterString.indexOf("}",p);
-				break;
-			case "[": // Square brackets
-				nextBracketPos = filterString.indexOf("]",p);
-				break;
-			case "<": // Angle brackets
-				operator.variable = true;
-				nextBracketPos = filterString.indexOf(">",p);
-				break;
-			case "/": // regexp brackets
-				var rex = /^((?:[^\\\/]*|\\.)*)\/(?:\(([mygi]+)\))?/g,
-					rexMatch = rex.exec(filterString.substring(p));
-				if(rexMatch) {
-					operator.regexp = new RegExp(rexMatch[1], rexMatch[2]);
-// DEPRECATION WARNING
-console.log("WARNING: Filter",operator.operator,"has a deprecated regexp operand",operator.regexp);
-					nextBracketPos = p + rex.lastIndex - 1;
-				}
-				else {
-					throw "Unterminated regular expression in filter expression";
-				}
-				break;
-		}
+		parseOperand(bracket);
 
-		if(nextBracketPos === -1) {
-			throw "Missing closing bracket in filter expression";
+		// Check for multiple operands
+		while(filterString.charAt(p) === ",") {
+			p++;
+			if(/^[\[\{<\/]/.test(filterString.substring(p))) {
+				nextBracketPos = p;
+				p++;
+				parseOperand(filterString.charAt(nextBracketPos));
+			} else {
+				throw "Missing [ in filter expression";
+			}
 		}
-		if(!operator.regexp) {
-			operator.operand = filterString.substring(p,nextBracketPos);
-		}
-		p = nextBracketPos + 1;
 
 		// Push this operator
 		operators.push(operator);
@@ -119,7 +137,7 @@ exports.parseFilter = function(filterString) {
 		p = 0, // Current position in the filter string
 		match;
 	var whitespaceRegExp = /(\s+)/mg,
-		operandRegExp = /((?:\+|\-|~|=)?)(?:(\[)|(?:"([^"]*)")|(?:'([^']*)')|([^\s\[\]]+))/mg;
+		operandRegExp = /((?:\+|\-|~|=|\:(\w+)(?:\:([\w\:, ]*))?)?)(?:(\[)|(?:"([^"]*)")|(?:'([^']*)')|([^\s\[\]]+))/mg;
 	while(p < filterString.length) {
 		// Skip any whitespace
 		whitespaceRegExp.lastIndex = p;
@@ -140,16 +158,31 @@ exports.parseFilter = function(filterString) {
 			};
 			if(match[1]) {
 				operation.prefix = match[1];
-				p++;
+				p = p + operation.prefix.length;
+				if(match[2]) {
+					operation.namedPrefix = match[2];
+				}
+				if(match[3]) {
+					operation.suffixes = [];
+					 $tw.utils.each(match[3].split(":"),function(subsuffix) {
+						operation.suffixes.push([]);
+						$tw.utils.each(subsuffix.split(","),function(entry) {
+							entry = $tw.utils.trim(entry);
+							if(entry) {
+								operation.suffixes[operation.suffixes.length -1].push(entry);
+							}
+						});
+					 });
+				}
 			}
-			if(match[2]) { // Opening square bracket
+			if(match[4]) { // Opening square bracket
 				p = parseFilterOperation(operation.operators,filterString,p);
 			} else {
 				p = match.index + match[0].length;
 			}
-			if(match[3] || match[4] || match[5]) { // Double quoted string, single quoted string or unquoted title
+			if(match[5] || match[6] || match[7]) { // Double quoted string, single quoted string or unquoted title
 				operation.operators.push(
-					{operator: "title", operand: match[3] || match[4] || match[5]}
+					{operator: "title", operands: [{text: match[5] || match[6] || match[7]}]}
 				);
 			}
 			results.push(operation);
@@ -166,6 +199,14 @@ exports.getFilterOperators = function() {
 	return this.filterOperators;
 };
 
+exports.getFilterRunPrefixes = function() {
+	if(!this.filterRunPrefixes) {
+		$tw.Wiki.prototype.filterRunPrefixes = {};
+		$tw.modules.applyMethods("filterrunprefix",this.filterRunPrefixes);
+	}
+	return this.filterRunPrefixes;
+}
+
 exports.filterTiddlers = function(filterString,widget,source) {
 	var fn = this.compileFilter(filterString);
 	return fn.call(this,source,widget);
@@ -198,7 +239,7 @@ exports.compileFilter = function(filterString) {
 				results = [],
 				currTiddlerTitle = widget && widget.getVariable("currentTiddler");
 			$tw.utils.each(operation.operators,function(operator) {
-				var operand = operator.operand,
+				var operands = [],
 					operatorFunction;
 				if(!operator.operator) {
 					operatorFunction = filterOperators.title;
@@ -207,16 +248,23 @@ exports.compileFilter = function(filterString) {
 				} else {
 					operatorFunction = filterOperators[operator.operator];
 				}
-				if(operator.indirect) {
-					operand = self.getTextReference(operator.operand,"",currTiddlerTitle);
-				}
-				if(operator.variable) {
-					operand = widget.getVariable(operator.operand,{defaultValue: ""});
-				}
+
+				$tw.utils.each(operator.operands,function(operand) {
+					if(operand.indirect) {
+						operand.value = self.getTextReference(operand.text,"",currTiddlerTitle);
+					} else if(operand.variable) {
+						operand.value = widget.getVariable(operand.text,{defaultValue: ""});
+					} else {
+						operand.value = operand.text;
+					}
+					operands.push(operand.value);
+				});
+
 				// Invoke the appropriate filteroperator module
 				results = operatorFunction(accumulator,{
 							operator: operator.operator,
-							operand: operand,
+							operand: operands.length > 0 ? operands[0] : undefined,
+							operands: operands,
 							prefix: operator.prefix,
 							suffix: operator.suffix,
 							suffixes: operator.suffixes,
@@ -241,35 +289,30 @@ exports.compileFilter = function(filterString) {
 				return resultArray;
 			}
 		};
+		var filterRunPrefixes = self.getFilterRunPrefixes();
 		// Wrap the operator functions in a wrapper function that depends on the prefix
 		operationFunctions.push((function() {
+			var options = {wiki: self, suffixes: operation.suffixes || []};
 			switch(operation.prefix || "") {
 				case "": // No prefix means that the operation is unioned into the result
-					return function(results,source,widget) {
-						$tw.utils.pushTop(results,operationSubFunction(source,widget));
-					};
+					return filterRunPrefixes["or"](operationSubFunction, options);
 				case "=": // The results of the operation are pushed into the result without deduplication
-					return function(results,source,widget) {
-						Array.prototype.push.apply(results,operationSubFunction(source,widget));
-					};
+					return filterRunPrefixes["all"](operationSubFunction, options);
 				case "-": // The results of this operation are removed from the main result
-					return function(results,source,widget) {
-						$tw.utils.removeArrayEntries(results,operationSubFunction(source,widget));
-					};
+					return filterRunPrefixes["except"](operationSubFunction, options);
 				case "+": // This operation is applied to the main results so far
-					return function(results,source,widget) {
-						// This replaces all the elements of the array, but keeps the actual array so that references to it are preserved
-						source = self.makeTiddlerIterator(results);
-						results.splice(0,results.length);
-						$tw.utils.pushTop(results,operationSubFunction(source,widget));
-					};
+					return filterRunPrefixes["and"](operationSubFunction, options);
 				case "~": // This operation is unioned into the result only if the main result so far is empty
-					return function(results,source,widget) {
-						if(results.length === 0) {
-							// Main result so far is empty
-							$tw.utils.pushTop(results,operationSubFunction(source,widget));
-						}
-					};
+					return filterRunPrefixes["else"](operationSubFunction, options);
+				default: 
+					if(operation.namedPrefix && filterRunPrefixes[operation.namedPrefix]) {
+						return filterRunPrefixes[operation.namedPrefix](operationSubFunction, options);
+					} else {
+						return function(results,source,widget) {
+							results.clear();
+							results.push($tw.language.getString("Error/FilterRunPrefix"));
+						};
+					}
 			}
 		})());
 	});
@@ -280,11 +323,14 @@ exports.compileFilter = function(filterString) {
 		} else if(typeof source === "object") { // Array or hashmap
 			source = self.makeTiddlerIterator(source);
 		}
-		var results = [];
+		if(!widget) {
+			widget = $tw.rootWidget;
+		}
+		var results = new $tw.utils.LinkedList();
 		$tw.utils.each(operationFunctions,function(operationFunction) {
 			operationFunction(results,source,widget);
 		});
-		return results;
+		return results.toArray();
 	});
 };
 

core/modules/filters/all.js

@@ -31,7 +31,7 @@ exports.all = function(source,operator,options) {
 	// Get our suboperators
 	var allFilterOperators = getAllFilterOperators();
 	// Cycle through the suboperators accumulating their results
-	var results = [],
+	var results = new $tw.utils.LinkedList(),
 		subops = operator.operand.split("+");
 	// Check for common optimisations
 	if(subops.length === 1 && subops[0] === "") {
@@ -49,10 +49,10 @@ exports.all = function(source,operator,options) {
 	for(var t=0; t<subops.length; t++) {
 		var subop = allFilterOperators[subops[t]];
 		if(subop) {
-			$tw.utils.pushTop(results,subop(source,operator.prefix,options));
+			results.pushTop(subop(source,operator.prefix,options));
 		}
 	}
-	return results;
+	return results.toArray();
 };
 
 })();

core/modules/filters/deserializers.js

@@ -0,0 +1,27 @@
+/*\
+title: $:/core/modules/filters/deserializers.js
+type: application/javascript
+module-type: filteroperator
+
+Filter operator for returning the names of the deserializers in this wiki
+
+\*/
+(function(){
+
+/*jslint node: true, browser: true */
+/*global $tw: false */
+"use strict";
+
+/*
+Export our filter function
+*/
+exports.deserializers = function(source,operator,options) {
+	var results = [];
+	$tw.utils.each($tw.Wiki.tiddlerDeserializerModules,function(deserializer,type) {
+		results.push(type);
+	});
+	results.sort();
+	return results;
+};
+
+})();

core/modules/filters/editiondescription.js

@@ -16,14 +16,16 @@ Filter operator for returning the descriptions of the specified edition names
 Export our filter function
 */
 exports.editiondescription = function(source,operator,options) {
-	var results = [],
-		editionInfo = $tw.utils.getEditionInfo();
-	if(editionInfo) {
-		source(function(tiddler,title) {
-			if($tw.utils.hop(editionInfo,title)) {
-				results.push(editionInfo[title].description || "");				
-			}
-		});
+	var results = [];
+	if($tw.node) {
+		var editionInfo = $tw.utils.getEditionInfo();
+		if(editionInfo) {
+			source(function(tiddler,title) {
+				if($tw.utils.hop(editionInfo,title)) {
+					results.push(editionInfo[title].description || "");
+				}
+			});
+		}
 	}
 	return results;
 };

core/modules/filters/editions.js

@@ -16,14 +16,16 @@ Filter operator for returning the names of the available editions in this wiki
 Export our filter function
 */
 exports.editions = function(source,operator,options) {
-	var results = [],
-		editionInfo = $tw.utils.getEditionInfo();
-	if(editionInfo) {
-		$tw.utils.each(editionInfo,function(info,name) {
-			results.push(name);
-		});
+	var results = [];
+	if($tw.node) {
+		var editionInfo = $tw.utils.getEditionInfo();
+		if(editionInfo) {
+			$tw.utils.each(editionInfo,function(info,name) {
+				results.push(name);
+			});
+		}
+		results.sort();
 	}
-	results.sort();
 	return results;
 };
 

core/modules/filters/encodings.js

@@ -77,7 +77,7 @@ exports.encodehtml = function(source,operator,options) {
 exports.stringify = function(source,operator,options) {
 	var results = [];
 	source(function(tiddler,title) {
-		results.push($tw.utils.stringify(title));
+		results.push($tw.utils.stringify(title,(operator.suffix === "rawunicode")));
 	});
 	return results;
 };
@@ -85,7 +85,7 @@ exports.stringify = function(source,operator,options) {
 exports.jsonstringify = function(source,operator,options) {
 	var results = [];
 	source(function(tiddler,title) {
-		results.push($tw.utils.jsonStringify(title));
+		results.push($tw.utils.jsonStringify(title,(operator.suffix === "rawunicode")));
 	});
 	return results;
 };
@@ -102,7 +102,7 @@ exports.escapecss = function(source,operator,options) {
 	var results = [];
 	source(function(tiddler,title) {
 		// escape any character with a special meaning in CSS using CSS.escape()
-		results.push(CSS.escape(title));
+		results.push($tw.utils.escapeCSS(title));
 	});
 	return results;
 };

core/modules/filters/fields.js

@@ -20,7 +20,7 @@ exports.fields = function(source,operator,options) {
 		fieldName,
 		suffixes = (operator.suffixes || [])[0] || [],
 		operand = $tw.utils.parseStringArray(operator.operand);
-	
+
 	source(function(tiddler,title) {
 		if(tiddler) {
 			if(suffixes.indexOf("include") !== -1) {

core/modules/filters/filter.js

@@ -20,7 +20,18 @@ exports.filter = function(source,operator,options) {
 		results = [],
 		target = operator.prefix !== "!";
 	source(function(tiddler,title) {
-		var list = filterFn.call(options.wiki,options.wiki.makeTiddlerIterator([title]));
+		var list = filterFn.call(options.wiki,options.wiki.makeTiddlerIterator([title]),{
+				getVariable: function(name) {
+					switch(name) {
+						case "currentTiddler":
+							return "" + title;
+						case "..currentTiddler":
+							return options.widget.getVariable("currentTiddler");
+						default:
+							return options.widget.getVariable(name);
+					}
+				}
+			});
 		if((list.length > 0) === target) {
 			results.push(title);
 		}

core/modules/filters/format/date.js

@@ -13,13 +13,13 @@ module-type: formatfilteroperator
 Export our filter function
 */
 exports.date = function(source,operand,options) {
-	var results = [];	
+	var results = [];
 	source(function(tiddler,title) {
 		var value = $tw.utils.parseDate(title);
 		if(value && $tw.utils.isDate(value) && value.toString() !== "Invalid Date") {
 			results.push($tw.utils.formatDateString(value,operand || "YYYY MM DD 0hh:0mm"));
 		}
-	});	
+	});
 	return results;
 };
 

core/modules/filters/format/relativedate.js

@@ -13,13 +13,13 @@ module-type: formatfilteroperator
 Export our filter function
 */
 exports.relativedate = function(source,operand,options) {
-	var results = [];	
+	var results = [];
 	source(function(tiddler,title) {
 		var value = $tw.utils.parseDate(title);
 		if(value && $tw.utils.isDate(value) && value.toString() !== "Invalid Date") {
 			results.push($tw.utils.getRelativeDate((new Date()) - (new Date(value))).description);
 		}
-	});	
+	});
 	return results;
 };
 

core/modules/filters/format/titlelist.js

@@ -0,0 +1,25 @@
+/*\
+title: $:/core/modules/filters/format/titlelist.js
+type: application/javascript
+module-type: formatfilteroperator
+\*/
+(function(){
+
+/*jslint node: true, browser: true */
+/*global $tw: false */
+"use strict";
+
+/*
+Export our filter function
+*/
+exports.titlelist = function(source,operand,options) {
+	var results = [];
+	source(function(tiddler,title) {
+		if(title && title.length) {
+			results.push($tw.utils.stringifyList([title]));
+		}
+	});
+	return results;
+};
+
+})();

core/modules/filters/has.js

@@ -61,7 +61,7 @@ exports.has = function(source,operator,options) {
 				if(tiddler && $tw.utils.hop(tiddler.fields,operator.operand) && (tiddler.fields[operator.operand].length !== 0)) {
 					results.push(title);
 				}
-			});				
+			});
 		}
 	}
 	return results;

core/modules/filters/is/draft.js

@@ -0,0 +1,36 @@
+/*\
+title: $:/core/modules/filters/is/draft.js
+type: application/javascript
+module-type: isfilteroperator
+
+Filter function for [is[draft]] analagous to [has[draft.of]]
+
+\*/
+(function(){
+
+/*jslint node: true, browser: true */
+/*global $tw: false */
+"use strict";
+
+/*
+Export our filter function
+*/
+exports.draft = function(source,prefix,options) {
+	var results = [];
+	if(prefix === "!") {
+		source(function(tiddler,title) {
+			if(!tiddler || !$tw.utils.hop(tiddler.fields,"draft.of")) {
+				results.push(title);
+			}
+		});
+	} else {
+		source(function(tiddler,title) {
+			if(tiddler && $tw.utils.hop(tiddler.fields,"draft.of") && (tiddler.fields["draft.of"].length !== 0)) {
+				results.push(title);
+			}
+		});
+	}
+	return results;
+};
+
+})();

core/modules/filters/links.js

@@ -16,11 +16,11 @@ Filter operator for returning all the links from a tiddler
 Export our filter function
 */
 exports.links = function(source,operator,options) {
-	var results = [];
+	var results = new $tw.utils.LinkedList();
 	source(function(tiddler,title) {
-		$tw.utils.pushTop(results,options.wiki.getTiddlerLinks(title));
+		results.pushTop(options.wiki.getTiddlerLinks(title));
 	});
-	return results;
+	return results.toArray();
 };
 
 })();

core/modules/filters/lookup.js

@@ -22,7 +22,7 @@ Export our filter function
 exports.lookup = function(source,operator,options) {
 	var results = [];
 	source(function(tiddler,title) {
-		results.push(options.wiki.getTiddlerText(operator.operand + title) || options.wiki.getTiddlerText(operator.operand + operator.suffix));
+		results.push(options.wiki.getTiddlerText(operator.operand + title) || operator.suffix || '');
 	});
 	return results;
 };

core/modules/filters/math.js

@@ -91,6 +91,20 @@ exports.exponential = makeNumericBinaryOperator(
 	function(a,b) {return Number.prototype.toExponential.call(a,Math.min(Math.max(b,0),100));}
 );
 
+exports.power = makeNumericBinaryOperator(
+	function(a,b) {return Math.pow(a,b);}
+);
+
+exports.log = makeNumericBinaryOperator(
+	function(a,b) {
+		if(b) {
+			return Math.log(a)/Math.log(b);
+		} else {
+			return Math.log(a);
+		}
+	}
+);
+
 exports.sum = makeNumericReducingOperator(
 	function(accumulator,value) {return accumulator + value},
 	0 // Initial value
@@ -111,6 +125,54 @@ exports.minall = makeNumericReducingOperator(
 	Infinity // Initial value
 );
 
+exports.median = makeNumericArrayOperator(
+	function(values) {
+		var len = values.length, median;
+		values.sort();
+		if(len % 2) { 
+			// Odd, return the middle number
+			median = values[(len - 1) / 2];
+		} else {
+			// Even, return average of two middle numbers
+			median = (values[len / 2 - 1] + values[len / 2]) / 2;
+		}
+		return [median];
+	}
+);
+
+exports.average = makeNumericReducingOperator(
+	function(accumulator,value) {return accumulator + value},
+	0, // Initial value
+	function(finalValue,numberOfValues) {
+		return finalValue/numberOfValues;
+	}
+);
+
+exports.variance = makeNumericReducingOperator(
+	function(accumulator,value) {return accumulator + value},
+	0,
+	function(finalValue,numberOfValues,originalValues) {
+		return getVarianceFromArray(originalValues,finalValue/numberOfValues);
+	}
+);
+
+exports["standard-deviation"] = makeNumericReducingOperator(
+	function(accumulator,value) {return accumulator + value},
+	0,
+	function(finalValue,numberOfValues,originalValues) {
+		var variance = getVarianceFromArray(originalValues,finalValue/numberOfValues);
+		return Math.sqrt(variance);
+	}
+);
+
+//Calculate the variance of a population of numbers in an array given its mean
+function getVarianceFromArray(values,mean) {
+	var deviationTotal = values.reduce(function(accumulator,value) {
+		return accumulator + Math.pow(value - mean, 2);
+	},0);
+	return deviationTotal/values.length;
+};
+
 function makeNumericBinaryOperator(fnCalc) {
 	return function(source,operator,options) {
 		var result = [],
@@ -120,19 +182,37 @@ function makeNumericBinaryOperator(fnCalc) {
 		});
 		return result;
 	};
-}
+};
 
-function makeNumericReducingOperator(fnCalc,initialValue) {
+function makeNumericReducingOperator(fnCalc,initialValue,fnFinal) {
 	initialValue = initialValue || 0;
 	return function(source,operator,options) {
 		var result = [];
 		source(function(tiddler,title) {
-			result.push(title);
+			result.push($tw.utils.parseNumber(title));
 		});
-		return [$tw.utils.stringifyNumber(result.reduce(function(accumulator,currentValue) {
-			return fnCalc(accumulator,$tw.utils.parseNumber(currentValue));
-		},initialValue))];
+		var value = result.reduce(function(accumulator,currentValue) {
+				return fnCalc(accumulator,currentValue);
+			},initialValue);
+		if(fnFinal) {
+			value = fnFinal(value,result.length,result);
+		}
+		return [$tw.utils.stringifyNumber(value)];
 	};
-}
+};
+
+function makeNumericArrayOperator(fnCalc) {
+	return function(source,operator,options) {
+		var results = [];
+		source(function(tiddler,title) {
+			results.push($tw.utils.parseNumber(title));
+		});
+		results = fnCalc(results);
+		$tw.utils.each(results,function(value,index) {
+			results[index] = $tw.utils.stringifyNumber(value);
+		});
+		return results;
+	};
+};
 
 })();

core/modules/filters/reduce.js

@@ -3,7 +3,7 @@ title: $:/core/modules/filters/reduce.js
 type: application/javascript
 module-type: filteroperator
 
-Filter operator evaluats a subfilter for each item, making the running total available in the variable `accumulator`, and the current index available in the variable `index`
+Filter operator evaluates a subfilter for each item, making the running total available in the variable `accumulator`, and the current index available in the variable `index`
 
 \*/
 (function(){
@@ -23,7 +23,7 @@ exports.reduce = function(source,operator,options) {
 	});
 	// Run the filter over each item
 	var filterFn = options.wiki.compileFilter(operator.operand),
-		accumulator = operator.suffix || "";
+		accumulator = operator.operands[1] || "";
 	for(var index=0; index<results.length; index++) {
 		var title = results[index],
 			list = filterFn.call(options.wiki,options.wiki.makeTiddlerIterator([title]),{
@@ -31,6 +31,8 @@ exports.reduce = function(source,operator,options) {
 					switch(name) {
 						case "currentTiddler":
 							return "" + title;
+						case "..currentTiddler":
+							return options.widget.getVariable("currentTiddler");
 						case "accumulator":
 							return "" + accumulator;
 						case "index":
@@ -48,7 +50,11 @@ exports.reduce = function(source,operator,options) {
 			accumulator = "" +  list[0];
 		}
 	}
-	return [accumulator];
+	if(results.length > 0) {
+		return [accumulator];
+	} else {
+		return [];
+	}
 };
 
 })();

core/modules/filters/sortsub.js

@@ -27,10 +27,13 @@ exports.sortsub = function(source,operator,options) {
 			iterator(options.wiki.getTiddler(title),title);
 		},{
 			getVariable: function(name) {
-				if(name === "currentTiddler") {
-					return title;
-				} else {
-					return options.widget.getVariable(name);
+				switch(name) {
+					case "currentTiddler":
+						return "" + title;
+					case "..currentTiddler":
+						return options.widget.getVariable("currentTiddler");
+					default:
+						return options.widget.getVariable(name);
 				}
 			}
 		});

core/modules/filters/strings.js

@@ -56,14 +56,14 @@ exports.trim = function(source,operator,options) {
 	return result;
 };
 
-// makeStringBinaryOperator(
-// 	function(a) {return [$tw.utils.trim(a)];}
-// );
-
 exports.split = makeStringBinaryOperator(
 	function(a,b) {return ("" + a).split(b);}
 );
 
+exports["enlist-input"] = makeStringBinaryOperator(
+	function(a,o,s) {return $tw.utils.parseStringArray("" + a,(s === "raw"));}
+);
+
 exports.join = makeStringReducingOperator(
 	function(accumulator,value,operand) {
 		if(accumulator === null) {
@@ -78,7 +78,7 @@ function makeStringBinaryOperator(fnCalc) {
 	return function(source,operator,options) {
 		var result = [];
 		source(function(tiddler,title) {
-			Array.prototype.push.apply(result,fnCalc(title,operator.operand || ""));
+			Array.prototype.push.apply(result,fnCalc(title,operator.operand || "",operator.suffix || ""));
 		});
 		return result;
 	};
@@ -105,14 +105,71 @@ exports.splitregexp = function(source,operator,options) {
 		flags = (suffix.indexOf("m") !== -1 ? "m" : "") + (suffix.indexOf("i") !== -1 ? "i" : ""),
 		regExp;
 	try {
-		regExp = new RegExp(operator.operand || "",flags);		
+		regExp = new RegExp(operator.operand || "",flags);
 	} catch(ex) {
 		return ["RegExp error: " + ex];
 	}
 	source(function(tiddler,title) {
 		Array.prototype.push.apply(result,title.split(regExp));
-	});		
+	});
 	return result;
 };
 
+exports["search-replace"] = function(source,operator,options) {
+	var results = [],
+		suffixes = operator.suffixes || [],
+		flagSuffix = (suffixes[0] ? (suffixes[0][0] || "") : ""),
+		flags = (flagSuffix.indexOf("g") !== -1 ? "g" : "") + (flagSuffix.indexOf("i") !== -1 ? "i" : ""),
+		isRegExp = (suffixes[1] && suffixes[1][0] === "regexp") ? true : false,
+		searchTerm,
+		regExp;
+
+	source(function(tiddler,title) {
+		if(title && (operator.operands.length > 1)) {
+			//Escape regexp characters if the operand is not a regular expression
+			searchTerm = isRegExp ? operator.operand : $tw.utils.escapeRegExp(operator.operand);
+			try {
+				regExp = new RegExp(searchTerm,flags);
+			} catch(ex) {
+				return ["RegExp error: " + ex];
+			}
+			results.push(
+				title.replace(regExp,operator.operands[1])
+			);
+		} else {
+			results.push(title);
+		}
+	});
+	return results;
+};
+
+exports.pad = function(source,operator,options) {
+	var results = [],
+		targetLength = operator.operand ? parseInt(operator.operand) : 0,
+		fill = operator.operands[1] || "0";
+
+	source(function(tiddler,title) {
+		if(title && title.length) {
+			if(title.length >= targetLength) {
+				results.push(title);
+			} else {
+				var padString = "",
+					padStringLength = targetLength - title.length;
+				while (padStringLength > padString.length) {
+					padString += fill;
+				}
+				//make sure we do not exceed the specified length
+				padString = padString.slice(0,padStringLength);
+				if(operator.suffix && (operator.suffix === "suffix")) {
+					title = title + padString;
+				} else {
+					title = padString + title;
+				}
+				results.push(title);
+			}
+		}
+	});
+	return results;
+}
+
 })();

core/modules/filters/tag.js

@@ -50,7 +50,7 @@ exports.tag = function(source,operator,options) {
 				});
 				results = options.wiki.sortByList(results,operator.operand);
 			}
-		}		
+		}
 	}
 	return results;
 };

core/modules/filters/x-listops.js

@@ -8,183 +8,228 @@ Extended filter operators to manipulate the current list.
 \*/
 (function () {
 
-    /*jslint node: true, browser: true */
-    /*global $tw: false */
-    "use strict";
+	/*jslint node: true, browser: true */
+	/*global $tw: false */
+	"use strict";
 
-    /*
-    Fetch titles from the current list
-    */
-    var prepare_results = function (source) {
-    var results = [];
-        source(function (tiddler, title) {
-            results.push(title);
-        });
-        return results;
-    };
+	/*
+	Fetch titles from the current list
+	*/
+	var prepare_results = function (source) {
+	var results = [];
+		source(function (tiddler, title) {
+			results.push(title);
+		});
+		return results;
+	};
 
-    /*
-    Moves a number of items from the tail of the current list before the item named in the operand
-    */
-    exports.putbefore = function (source, operator) {
-        var results = prepare_results(source),
-            index = results.indexOf(operator.operand),
-            count = $tw.utils.getInt(operator.suffix,1);
-        return (index === -1) ?
-            results.slice(0, -1) :
-            results.slice(0, index).concat(results.slice(-count)).concat(results.slice(index, -count));
-    };
+	/*
+	Moves a number of items from the tail of the current list before the item named in the operand
+	*/
+	exports.putbefore = function (source, operator) {
+		var results = prepare_results(source),
+			index = results.indexOf(operator.operand),
+			count = $tw.utils.getInt(operator.suffix,1);
+		return (index === -1) ?
+			results.slice(0, -1) :
+			results.slice(0, index).concat(results.slice(-count)).concat(results.slice(index, -count));
+	};
 
-    /*
-    Moves a number of items from the tail of the current list after the item named in the operand
-    */
-    exports.putafter = function (source, operator) {
-        var results = prepare_results(source),
-            index = results.indexOf(operator.operand),
-            count = $tw.utils.getInt(operator.suffix,1);
-        return (index === -1) ?
-            results.slice(0, -1) :
-            results.slice(0, index + 1).concat(results.slice(-count)).concat(results.slice(index + 1, -count));
-    };
+	/*
+	Moves a number of items from the tail of the current list after the item named in the operand
+	*/
+	exports.putafter = function (source, operator) {
+		var results = prepare_results(source),
+			index = results.indexOf(operator.operand),
+			count = $tw.utils.getInt(operator.suffix,1);
+		return (index === -1) ?
+			results.slice(0, -1) :
+			results.slice(0, index + 1).concat(results.slice(-count)).concat(results.slice(index + 1, -count));
+	};
 
-    /*
-    Replaces the item named in the operand with a number of items from the tail of the current list
-    */
-    exports.replace = function (source, operator) {
-        var results = prepare_results(source),
-            index = results.indexOf(operator.operand),
-            count = $tw.utils.getInt(operator.suffix,1);
-        return (index === -1) ?
-            results.slice(0, -count) :
-            results.slice(0, index).concat(results.slice(-count)).concat(results.slice(index + 1, -count));
-    };
+	/*
+	Replaces the item named in the operand with a number of items from the tail of the current list
+	*/
+	exports.replace = function (source, operator) {
+		var results = prepare_results(source),
+			index = results.indexOf(operator.operand),
+			count = $tw.utils.getInt(operator.suffix,1);
+		return (index === -1) ?
+			results.slice(0, -count) :
+			results.slice(0, index).concat(results.slice(-count)).concat(results.slice(index + 1, -count));
+	};
 
-    /*
-    Moves a number of items from the tail of the current list to the head of the list
-    */
-    exports.putfirst = function (source, operator) {
-        var results = prepare_results(source),
-            count = $tw.utils.getInt(operator.suffix,1);
-        return results.slice(-count).concat(results.slice(0, -count));
-    };
+	/*
+	Moves a number of items from the tail of the current list to the head of the list
+	*/
+	exports.putfirst = function (source, operator) {
+		var results = prepare_results(source),
+			count = $tw.utils.getInt(operator.suffix,1);
+		return results.slice(-count).concat(results.slice(0, -count));
+	};
 
-    /*
-    Moves a number of items from the head of the current list to the tail of the list
-    */
-    exports.putlast = function (source, operator) {
-        var results = prepare_results(source),
-            count = $tw.utils.getInt(operator.suffix,1);
-        return results.slice(count).concat(results.slice(0, count));
-    };
+	/*
+	Moves a number of items from the head of the current list to the tail of the list
+	*/
+	exports.putlast = function (source, operator) {
+		var results = prepare_results(source),
+			count = $tw.utils.getInt(operator.suffix,1);
+		return results.slice(count).concat(results.slice(0, count));
+	};
 
-    /*
-    Moves the item named in the operand a number of places forward or backward in the list
-    */
-    exports.move = function (source, operator) {
-        var results = prepare_results(source),
-            index = results.indexOf(operator.operand),
-            count = $tw.utils.getInt(operator.suffix,1),
-            marker = results.splice(index, 1),
-            offset =  (index + count) > 0 ? index + count : 0;
-        return results.slice(0, offset).concat(marker).concat(results.slice(offset));
-    };
+	/*
+	Moves the item named in the operand a number of places forward or backward in the list
+	*/
+	exports.move = function (source, operator) {
+		var results = prepare_results(source),
+			index = results.indexOf(operator.operand),
+			count = $tw.utils.getInt(operator.suffix,1),
+			marker = results.splice(index, 1),
+			offset =  (index + count) > 0 ? index + count : 0;
+		return results.slice(0, offset).concat(marker).concat(results.slice(offset));
+	};
 
-    /*
-    Returns the items from the current list that are after the item named in the operand
-    */
-    exports.allafter = function (source, operator) {
-        var results = prepare_results(source),
-            index = results.indexOf(operator.operand);
-        return (index === -1) ? [] :
-            (operator.suffix) ? results.slice(index) :
-            results.slice(index + 1);
-    };
+	/*
+	Returns the items from the current list that are after the item named in the operand
+	*/
+	exports.allafter = function (source, operator) {
+		var results = prepare_results(source),
+			index = results.indexOf(operator.operand);
+		return (index === -1) ? [] :
+			(operator.suffix) ? results.slice(index) :
+			results.slice(index + 1);
+	};
 
-    /*
-    Returns the items from the current list that are before the item named in the operand
-    */
-    exports.allbefore = function (source, operator) {
-        var results = prepare_results(source),
-            index = results.indexOf(operator.operand);
-        return (index === -1) ? [] :
-            (operator.suffix) ? results.slice(0, index + 1) :
-            results.slice(0, index);
-    };
+	/*
+	Returns the items from the current list that are before the item named in the operand
+	*/
+	exports.allbefore = function (source, operator) {
+		var results = prepare_results(source),
+			index = results.indexOf(operator.operand);
+		return (index === -1) ? [] :
+			(operator.suffix) ? results.slice(0, index + 1) :
+			results.slice(0, index);
+	};
 
-    /*
-    Appends the items listed in the operand array to the tail of the current list
-    */
-    exports.append = function (source, operator) {
-        var append = $tw.utils.parseStringArray(operator.operand, "true"),
-            results = prepare_results(source),
-            count = parseInt(operator.suffix) || append.length;
-        return (append.length === 0) ? results :
-            (operator.prefix) ? results.concat(append.slice(-count)) :
-            results.concat(append.slice(0, count));
-    };
+	/*
+	Appends the items listed in the operand array to the tail of the current list
+	*/
+	exports.append = function (source, operator) {
+		var append = $tw.utils.parseStringArray(operator.operand, "true"),
+			results = prepare_results(source),
+			count = parseInt(operator.suffix) || append.length;
+		return (append.length === 0) ? results :
+			(operator.prefix) ? results.concat(append.slice(-count)) :
+			results.concat(append.slice(0, count));
+	};
 
-    /*
-    Prepends the items listed in the operand array to the head of the current list
-    */
-    exports.prepend = function (source, operator) {
-        var prepend = $tw.utils.parseStringArray(operator.operand, "true"),
-            results = prepare_results(source),
-            count = $tw.utils.getInt(operator.suffix,prepend.length);
-        return (prepend.length === 0) ? results :
-            (operator.prefix) ? prepend.slice(-count).concat(results) :
-            prepend.slice(0, count).concat(results);
-    };
+	/*
+	Prepends the items listed in the operand array to the head of the current list
+	*/
+	exports.prepend = function (source, operator) {
+		var prepend = $tw.utils.parseStringArray(operator.operand, "true"),
+			results = prepare_results(source),
+			count = $tw.utils.getInt(operator.suffix,prepend.length);
+		return (prepend.length === 0) ? results :
+			(operator.prefix) ? prepend.slice(-count).concat(results) :
+			prepend.slice(0, count).concat(results);
+	};
 
-    /*
-    Returns all items from the current list except the items listed in the operand array
-    */
-    exports.remove = function (source, operator) {
-        var array = $tw.utils.parseStringArray(operator.operand, "true"),
-            results = prepare_results(source),
-            count = parseInt(operator.suffix) || array.length,
-            p,
-            len,
-            index;
-        len = array.length - 1;
-        for (p = 0; p < count; ++p) {
-            if (operator.prefix) {
-                index = results.indexOf(array[len - p]);
-            } else {
-                index = results.indexOf(array[p]);
-            }
-            if (index !== -1) {
-                results.splice(index, 1);
-            }
-        }
-        return results;
-    };
+	/*
+	Returns all items from the current list except the items listed in the operand array
+	*/
+	exports.remove = function (source, operator) {
+		var array = $tw.utils.parseStringArray(operator.operand, "true"),
+			results = prepare_results(source),
+			count = parseInt(operator.suffix) || array.length,
+			p,
+			len,
+			index;
+		len = array.length - 1;
+		for (p = 0; p < count; ++p) {
+			if (operator.prefix) {
+				index = results.indexOf(array[len - p]);
+			} else {
+				index = results.indexOf(array[p]);
+			}
+			if (index !== -1) {
+				results.splice(index, 1);
+			}
+		}
+		return results;
+	};
 
-    /*
-    Returns all items from the current list sorted in the order of the items in the operand array
-    */
-    exports.sortby = function (source, operator) {
-        var results = prepare_results(source);
-        if (!results || results.length < 2) {
-            return results;
-        }
-        var lookup = $tw.utils.parseStringArray(operator.operand, "true");
-        results.sort(function (a, b) {
-            return lookup.indexOf(a) - lookup.indexOf(b);
-        });
-        return results;
-    };
+	/*
+	Returns all items from the current list sorted in the order of the items in the operand array
+	*/
+	exports.sortby = function (source, operator) {
+		var results = prepare_results(source);
+		if (!results || results.length < 2) {
+			return results;
+		}
+		var lookup = $tw.utils.parseStringArray(operator.operand, "true");
+		results.sort(function (a, b) {
+			return lookup.indexOf(a) - lookup.indexOf(b);
+		});
+		return results;
+	};
+
+	/*
+	Removes all duplicate items from the current list
+	*/
+	exports.unique = function (source, operator) {
+		var results = prepare_results(source);
+		var set = results.reduce(function (a, b) {
+			if (a.indexOf(b) < 0) {
+				a.push(b);
+			}
+			return a;
+		}, []);
+		return set;
+	};
+
+	var cycleValueInArray = function(results,operands,stepSize) {
+		var resultsIndex,
+			step = stepSize || 1,
+			i = 0,
+			opLength = operands.length,
+			nextOperandIndex;
+		for(i; i < opLength; i++) {
+			resultsIndex = results.indexOf(operands[i]);
+			if(resultsIndex !== -1) {
+				break;
+			}
+		}
+		if(resultsIndex !== -1) {
+			i = i + step;
+			nextOperandIndex = (i < opLength ? i : i - opLength);
+			if(operands.length > 1) {
+				results.splice(resultsIndex,1,operands[nextOperandIndex]);
+			} else {
+				results.splice(resultsIndex,1);
+			}
+		} else {
+			results.push(operands[0]);
+		}
+		return results;
+	}
+
+	/*
+	Toggles an item in the current list.
+	*/
+	exports.toggle = function(source,operator) {
+		return cycleValueInArray(prepare_results(source),operator.operands);
+	}
+
+	exports.cycle = function(source,operator) {
+		var results = prepare_results(source),
+			operands = (operator.operand.length ? $tw.utils.parseStringArray(operator.operand, "true") : [""]),
+			step = $tw.utils.getInt(operator.operands[1]||"",1);
+		if(step < 0) {
+			operands.reverse();
+			step = Math.abs(step);
+		}
+		return cycleValueInArray(results,operands,step);
+	}
 
-    /*
-    Removes all duplicate items from the current list
-    */
-    exports.unique = function (source, operator) {
-        var results = prepare_results(source);
-        var set = results.reduce(function (a, b) {
-            if (a.indexOf(b) < 0) {
-                a.push(b);
-            }
-            return a;
-        }, []);
-        return set;
-    };
 })();

core/modules/indexers/field-indexer.js

@@ -121,7 +121,7 @@ FieldIndexer.prototype.update = function(updateDescriptor) {
 					indexEntry[value].push(updateDescriptor["new"].tiddler.fields.title);
 				}
 			}
-		});		
+		});
 	}
 };
 

core/modules/indexers/tag-indexer.js

@@ -65,7 +65,7 @@ TagSubIndexer.prototype.rebuild = function() {
 			} else {
 				self.index[tag].titles.push(title);
 			}
-		});		
+		});
 	});
 };
 
@@ -83,7 +83,7 @@ TagSubIndexer.prototype.lookup = function(tag) {
 		if(!indexRecord.isSorted) {
 			if(this.indexer.wiki.sortByList) {
 				indexRecord.titles = this.indexer.wiki.sortByList(indexRecord.titles,tag);
-			}			
+			}
 			indexRecord.isSorted = true;
 		}
 		return indexRecord.titles;

core/modules/info/platform.js

@@ -12,7 +12,7 @@ Initialise basic platform $:/info/ tiddlers
 /*global $tw: false */
 "use strict";
 
-exports.getInfoTiddlerFields = function() {
+exports.getInfoTiddlerFields = function(updateInfoTiddlersCallback) {
 	var mapBoolean = function(value) {return value ? "yes" : "no";},
 		infoTiddlerFields = [];
 	// Basics
@@ -22,7 +22,7 @@ exports.getInfoTiddlerFields = function() {
 	if($tw.browser) {
 		// Document location
 		var setLocationProperty = function(name,value) {
-				infoTiddlerFields.push({title: "$:/info/url/" + name, text: value});			
+				infoTiddlerFields.push({title: "$:/info/url/" + name, text: value});
 			},
 			location = document.location;
 		setLocationProperty("full", (location.toString()).split("#")[0]);
@@ -36,6 +36,13 @@ exports.getInfoTiddlerFields = function() {
 		// Screen size
 		infoTiddlerFields.push({title: "$:/info/browser/screen/width", text: window.screen.width.toString()});
 		infoTiddlerFields.push({title: "$:/info/browser/screen/height", text: window.screen.height.toString()});
+ 		// Dark mode through event listener on MediaQueryList
+ 		var mqList = window.matchMedia("(prefers-color-scheme: dark)"),
+ 			getDarkModeTiddler = function() {return {title: "$:/info/darkmode", text: mqList.matches ? "yes" : "no"};};
+ 		infoTiddlerFields.push(getDarkModeTiddler());
+ 		mqList.addListener(function(event) {
+ 			updateInfoTiddlersCallback([getDarkModeTiddler()]);
+ 		});
 		// Language
 		infoTiddlerFields.push({title: "$:/info/browser/language", text: navigator.language || ""});
 	}

core/modules/keyboard.js

@@ -285,13 +285,17 @@ KeyboardManager.prototype.checkKeyDescriptors = function(event,keyInfoArray) {
 };
 
 KeyboardManager.prototype.getEventModifierKeyDescriptor = function(event) {
-	return event.ctrlKey && !event.shiftKey && !event.altKey ? "ctrl" : 
-		event.shiftKey && !event.ctrlKey && !event.altKey? "shift" : 
-		event.ctrlKey && event.shiftKey && !event.altKey ? "ctrl-shift" : 
-		event.altKey && !event.shiftKey && !event.ctrlKey ? "alt" : 
-		event.altKey && event.shiftKey && !event.ctrlKey ? "alt-shift" : 
-		event.altKey && event.ctrlKey && !event.shiftKey ? "ctrl-alt" : 
-		event.altKey && event.shiftKey && event.ctrlKey ? "ctrl-alt-shift" : "normal";
+	return event.ctrlKey && !event.shiftKey	&& !event.altKey && !event.metaKey ? "ctrl" : 
+		event.shiftKey && !event.ctrlKey && !event.altKey && !event.metaKey ? "shift" : 
+		event.ctrlKey && event.shiftKey && !event.altKey && !event.metaKey ? "ctrl-shift" : 
+		event.altKey && !event.shiftKey && !event.ctrlKey && !event.metaKey ? "alt" : 
+		event.altKey && event.shiftKey && !event.ctrlKey && !event.metaKey ? "alt-shift" : 
+		event.altKey && event.ctrlKey && !event.shiftKey && !event.metaKey ? "ctrl-alt" : 
+		event.altKey && event.shiftKey && event.ctrlKey && !event.metaKey ? "ctrl-alt-shift" : 
+		event.metaKey && !event.ctrlKey && !event.shiftKey && !event.altKey ? "meta" : 
+		event.metaKey && event.ctrlKey && !event.shiftKey && !event.altKey ? "meta-ctrl" :
+		event.metaKey && event.ctrlKey && event.shiftKey && !event.altKey ? "meta-ctrl-shift" :
+		event.metaKey && event.ctrlKey && event.shiftKey && event.altKey ? "meta-ctrl-alt-shift" : "normal";
 };
 
 KeyboardManager.prototype.getShortcutTiddlerList = function() {

core/modules/macros/unusedtitle.js

@@ -2,6 +2,7 @@
 title: $:/core/modules/macros/unusedtitle.js
 type: application/javascript
 module-type: macro
+
 Macro to return a new title that is unused in the wiki. It can be given a name as a base.
 \*/
 (function(){
@@ -10,25 +11,25 @@ Macro to return a new title that is unused in the wiki. It can be given a name a
 /*global $tw: false */
 "use strict";
 
-/*
-Information about this macro
-*/
-
 exports.name = "unusedtitle";
 
 exports.params = [
 	{name: "baseName"},
-	{name: "options"}
+	{name: "separator"},
+	{name: "template"}
 ];
 
 /*
 Run the macro
 */
-exports.run = function(baseName, options) {
+exports.run = function(baseName,separator,template) {
+	separator = separator || " ";
 	if(!baseName) {
 		baseName = $tw.language.getString("DefaultNewTiddlerTitle");
 	}
-	return this.wiki.generateNewTitle(baseName, options);
+	// $tw.wiki.generateNewTitle = function(baseTitle,options)
+	// options.prefix must be a string! 
+	return this.wiki.generateNewTitle(baseName, {"prefix": separator, "template": template});
 };
 
 })();

core/modules/parsers/htmlparser.js

@@ -23,10 +23,12 @@ var HtmlParser = function(type,text,options) {
 		type: "element",
 		tag: "iframe",
 		attributes: {
-			src: {type: "string", value: src},
-			sandbox: {type: "string", value: ""}
+			src: {type: "string", value: src}
 		}
 	}];
+	if($tw.wiki.getTiddlerText("$:/config/HtmlParser/DisableSandbox","no") !== "yes") {
+		this.tree[0].attributes.sandbox = {type: "string", value: $tw.wiki.getTiddlerText("$:/config/HtmlParser/SandboxTokens","")};
+	}
 };
 
 exports["text/html"] = HtmlParser;

core/modules/parsers/imageparser.js

@@ -39,6 +39,7 @@ exports["image/webp"] = ImageParser;
 exports["image/heic"] = ImageParser;
 exports["image/heif"] = ImageParser;
 exports["image/x-icon"] = ImageParser;
+exports["image/vnd.microsoft.icon"] = ImageParser;
 
 })();
 

core/modules/parsers/parseutils.js

@@ -132,7 +132,7 @@ exports.parseMacroParameter = function(source,pos) {
 		start: pos
 	};
 	// Define our regexp
-	var reMacroParameter = /(?:([A-Za-z0-9\-_]+)\s*:)?(?:\s*(?:"""([\s\S]*?)"""|"([^"]*)"|'([^']*)'|\[\[([^\]]*)\]\]|([^\s>"'=]+)))/g;
+	var reMacroParameter = /(?:([A-Za-z0-9\-_]+)\s*:)?(?:\s*(?:"""([\s\S]*?)"""|"([^"]*)"|'([^']*)'|\[\[([^\]]*)\]\]|((?:(?:>(?!>))|[^\s>"'])+)))/g;
 	// Skip whitespace
 	pos = $tw.utils.skipWhiteSpace(source,pos);
 	// Look for the parameter

core/modules/parsers/wikiparser/rules/commentblock.js

@@ -31,7 +31,7 @@ exports.findNextMatch = function(startPos) {
 	this.matchRegExp.lastIndex = startPos;
 	this.match = this.matchRegExp.exec(this.parser.source);
 	if(this.match) {
-		this.endMatchRegExp.lastIndex = startPos + this.match[0].length;
+		this.endMatchRegExp.lastIndex = this.match.index + this.match[0].length;
 		this.endMatch = this.endMatchRegExp.exec(this.parser.source);
 		if(this.endMatch) {
 			return this.match.index;

core/modules/parsers/wikiparser/rules/commentinline.js

@@ -31,7 +31,7 @@ exports.findNextMatch = function(startPos) {
 	this.matchRegExp.lastIndex = startPos;
 	this.match = this.matchRegExp.exec(this.parser.source);
 	if(this.match) {
-		this.endMatchRegExp.lastIndex = startPos + this.match[0].length;
+		this.endMatchRegExp.lastIndex = this.match.index + this.match[0].length;
 		this.endMatch = this.endMatchRegExp.exec(this.parser.source);
 		if(this.endMatch) {
 			return this.match.index;

core/modules/parsers/wikiparser/rules/html.js

@@ -53,17 +53,12 @@ exports.parse = function() {
 	tag.isBlock = this.is.block || hasLineBreak;
 	// Parse the body if we need to
 	if(!tag.isSelfClosing && $tw.config.htmlVoidElements.indexOf(tag.tag) === -1) {
-			var reEndString = "</" + $tw.utils.escapeRegExp(tag.tag) + ">",
-				reEnd = new RegExp("(" + reEndString + ")","mg");
+		var reEndString = "</" + $tw.utils.escapeRegExp(tag.tag) + ">";
 		if(hasLineBreak) {
 			tag.children = this.parser.parseBlocks(reEndString);
 		} else {
-			tag.children = this.parser.parseInlineRun(reEnd);
-		}
-		reEnd.lastIndex = this.parser.pos;
-		var endMatch = reEnd.exec(this.parser.source);
-		if(endMatch && endMatch.index === this.parser.pos) {
-			this.parser.pos = endMatch.index + endMatch[0].length;
+			var reEnd = new RegExp("(" + reEndString + ")","mg");
+			tag.children = this.parser.parseInlineRun(reEnd,{eatTerminator: true});
 		}
 	}
 	// Return the tag

core/modules/parsers/wikiparser/rules/import.js

@@ -36,7 +36,7 @@ exports.parse = function() {
 	// Move past the pragma invocation
 	this.parser.pos = this.matchRegExp.lastIndex;
 	// Parse the filter terminated by a line break
-	var reMatch = /(.*)(\r?\n)|$/mg;
+	var reMatch = /(.*)(?:$|\r?\n)/mg;
 	reMatch.lastIndex = this.parser.pos;
 	var match = reMatch.exec(this.parser.source);
 	this.parser.pos = reMatch.lastIndex;

core/modules/parsers/wikiparser/rules/macrocallblock.js

@@ -21,40 +21,36 @@ exports.types = {block: true};
 
 exports.init = function(parser) {
 	this.parser = parser;
-	// Regexp to match
-	this.matchRegExp = /<<([^>\s]+)(?:\s*)((?:[^>]|(?:>(?!>)))*?)>>(?:\r?\n|$)/mg;
+};
+
+exports.findNextMatch = function(startPos) {
+	var nextStart = startPos;
+	// Try parsing at all possible macrocall openers until we match
+	while((nextStart = this.parser.source.indexOf("<<",nextStart)) >= 0) {
+		var nextCall = $tw.utils.parseMacroInvocation(this.parser.source,nextStart);
+		if(nextCall) {
+			var c = this.parser.source.charAt(nextCall.end);
+			// Ensure EOL after parsed macro
+			// If we didn't need to support IE, we'd just use /(?:\r?\n|$)/ym
+			if ((c === "") || (c === "\n") || ((c === "\r") && this.parser.source.charAt(nextCall.end+1) === "\n")) {
+				this.nextCall = nextCall;
+				return nextStart;
+			}
+		}
+		nextStart += 2;
+	}
+	return undefined;
 };
 
 /*
 Parse the most recent match
 */
 exports.parse = function() {
-	// Get all the details of the match
-	var macroName = this.match[1],
-		paramString = this.match[2];
-	// Move past the macro call
-	this.parser.pos = this.matchRegExp.lastIndex;
-	var params = [],
-		reParam = /\s*(?:([A-Za-z0-9\-_]+)\s*:)?(?:\s*(?:"""([\s\S]*?)"""|"([^"]*)"|'([^']*)'|\[\[([^\]]*)\]\]|([^"'\s]+)))/mg,
-		paramMatch = reParam.exec(paramString);
-	while(paramMatch) {
-		// Process this parameter
-		var paramInfo = {
-			value: paramMatch[2] || paramMatch[3] || paramMatch[4] || paramMatch[5] || paramMatch[6]
-		};
-		if(paramMatch[1]) {
-			paramInfo.name = paramMatch[1];
-		}
-		params.push(paramInfo);
-		// Find the next match
-		paramMatch = reParam.exec(paramString);
-	}
-	return [{
-		type: "macrocall",
-		name: macroName,
-		params: params,
-		isBlock: true
-	}];
+	var call = this.nextCall;
+	call.isBlock = true;
+	this.nextCall = null;
+	this.parser.pos = call.end;
+	return [call];
 };
 
 })();

core/modules/parsers/wikiparser/rules/macrocallinline.js

@@ -21,39 +21,29 @@ exports.types = {inline: true};
 
 exports.init = function(parser) {
 	this.parser = parser;
-	// Regexp to match
-	this.matchRegExp = /<<([^\s>]+)\s*([\s\S]*?)>>/mg;
+};
+
+exports.findNextMatch = function(startPos) {
+	var nextStart = startPos;
+	// Try parsing at all possible macrocall openers until we match
+	while((nextStart = this.parser.source.indexOf("<<",nextStart)) >= 0) {
+		this.nextCall = $tw.utils.parseMacroInvocation(this.parser.source,nextStart);
+		if(this.nextCall) {
+			return nextStart;
+		}
+		nextStart += 2;
+	}
+	return undefined;
 };
 
 /*
 Parse the most recent match
 */
 exports.parse = function() {
-	// Get all the details of the match
-	var macroName = this.match[1],
-		paramString = this.match[2];
-	// Move past the macro call
-	this.parser.pos = this.matchRegExp.lastIndex;
-	var params = [],
-		reParam = /\s*(?:([A-Za-z0-9\-_]+)\s*:)?(?:\s*(?:"""([\s\S]*?)"""|"([^"]*)"|'([^']*)'|\[\[([^\]]*)\]\]|([^"'\s]+)))/mg,
-		paramMatch = reParam.exec(paramString);
-	while(paramMatch) {
-		// Process this parameter
-		var paramInfo = {
-			value: paramMatch[2] || paramMatch[3] || paramMatch[4] || paramMatch[5]|| paramMatch[6]
-		};
-		if(paramMatch[1]) {
-			paramInfo.name = paramMatch[1];
-		}
-		params.push(paramInfo);
-		// Find the next match
-		paramMatch = reParam.exec(paramString);
-	}
-	return [{
-		type: "macrocall",
-		name: macroName,
-		params: params
-	}];
+	var call = this.nextCall;
+	this.nextCall = null;
+	this.parser.pos = call.end;
+	return [call];
 };
 
 })();

core/modules/parsers/wikiparser/rules/table.js

@@ -161,7 +161,7 @@ exports.parse = function() {
 				// Move the caption to the first row if it isn't already
 				if(table.children.length !== 1) {
 					table.children.pop(); // Take rowContainer out of the children array
-					table.children.splice(0,0,rowContainer); // Insert it at the bottom						
+					table.children.splice(0,0,rowContainer); // Insert it at the bottom
 				}
 				// Set the alignment - TODO: figure out why TW did this
 //				rowContainer.attributes.align = rowCount === 0 ? "top" : "bottom";

core/modules/parsers/wikiparser/wikiparser.js

@@ -25,6 +25,14 @@ Attributes are stored as hashmaps of the following objects:
 /*global $tw: false */
 "use strict";
 
+/*
+type: content type of text
+text: text to be parsed
+options: see below:
+	parseAsInline: true to parse text as inline instead of block
+	wiki: reference to wiki to use
+	_canonical_uri: optional URI of content if text is missing or empty
+*/
 var WikiParser = function(type,text,options) {
 	this.wiki = options.wiki;
 	var self = this;
@@ -33,19 +41,6 @@ var WikiParser = function(type,text,options) {
 		this.loadRemoteTiddler(options._canonical_uri);
 		text = $tw.language.getRawString("LazyLoadingWarning");
 	}
-	// Initialise the classes if we don't have them already
-	if(!this.pragmaRuleClasses) {
-		WikiParser.prototype.pragmaRuleClasses = $tw.modules.createClassesFromModules("wikirule","pragma",$tw.WikiRuleBase);
-		this.setupRules(WikiParser.prototype.pragmaRuleClasses,"$:/config/WikiParserRules/Pragmas/");
-	}
-	if(!this.blockRuleClasses) {
-		WikiParser.prototype.blockRuleClasses = $tw.modules.createClassesFromModules("wikirule","block",$tw.WikiRuleBase);
-		this.setupRules(WikiParser.prototype.blockRuleClasses,"$:/config/WikiParserRules/Block/");
-	}
-	if(!this.inlineRuleClasses) {
-		WikiParser.prototype.inlineRuleClasses = $tw.modules.createClassesFromModules("wikirule","inline",$tw.WikiRuleBase);
-		this.setupRules(WikiParser.prototype.inlineRuleClasses,"$:/config/WikiParserRules/Inline/");
-	}
 	// Save the parse text
 	this.type = type || "text/vnd.tiddlywiki";
 	this.source = text || "";
@@ -54,13 +49,38 @@ var WikiParser = function(type,text,options) {
 	this.configTrimWhiteSpace = false;
 	// Set current parse position
 	this.pos = 0;
-	// Instantiate the pragma parse rules
-	this.pragmaRules = this.instantiateRules(this.pragmaRuleClasses,"pragma",0);
-	// Instantiate the parser block and inline rules
-	this.blockRules = this.instantiateRules(this.blockRuleClasses,"block",0);
-	this.inlineRules = this.instantiateRules(this.inlineRuleClasses,"inline",0);
-	// Parse any pragmas
+	// Start with empty output
 	this.tree = [];
+	// Assemble the rule classes we're going to use
+	var pragmaRuleClasses, blockRuleClasses, inlineRuleClasses;
+	if(options.rules) {
+		pragmaRuleClasses = options.rules.pragma;
+		blockRuleClasses = options.rules.block;
+		inlineRuleClasses = options.rules.inline;
+	} else {
+		// Setup the rule classes if we don't have them already
+		if(!this.pragmaRuleClasses) {
+			WikiParser.prototype.pragmaRuleClasses = $tw.modules.createClassesFromModules("wikirule","pragma",$tw.WikiRuleBase);
+			this.setupRules(WikiParser.prototype.pragmaRuleClasses,"$:/config/WikiParserRules/Pragmas/");
+		}
+		pragmaRuleClasses = this.pragmaRuleClasses;
+		if(!this.blockRuleClasses) {
+			WikiParser.prototype.blockRuleClasses = $tw.modules.createClassesFromModules("wikirule","block",$tw.WikiRuleBase);
+			this.setupRules(WikiParser.prototype.blockRuleClasses,"$:/config/WikiParserRules/Block/");
+		}
+		blockRuleClasses = this.blockRuleClasses;
+		if(!this.inlineRuleClasses) {
+			WikiParser.prototype.inlineRuleClasses = $tw.modules.createClassesFromModules("wikirule","inline",$tw.WikiRuleBase);
+			this.setupRules(WikiParser.prototype.inlineRuleClasses,"$:/config/WikiParserRules/Inline/");
+		}
+		inlineRuleClasses = this.inlineRuleClasses;
+	}
+	// Instantiate the pragma parse rules
+	this.pragmaRules = this.instantiateRules(pragmaRuleClasses,"pragma",0);
+	// Instantiate the parser block and inline rules
+	this.blockRules = this.instantiateRules(blockRuleClasses,"block",0);
+	this.inlineRules = this.instantiateRules(inlineRuleClasses,"inline",0);
+	// Parse any pragmas
 	var topBranch = this.parsePragmas();
 	// Parse the text into inline runs or blocks
 	if(options.parseAsInline) {
@@ -358,7 +378,7 @@ WikiParser.prototype.pushTextWidget = function(array,text) {
 		text = $tw.utils.trim(text);
 	}
 	if(text) {
-		array.push({type: "text", text: text});		
+		array.push({type: "text", text: text});
 	}
 };
 
@@ -386,22 +406,18 @@ Amend the rules used by this instance of the parser
 WikiParser.prototype.amendRules = function(type,names) {
 	names = names || [];
 	// Define the filter function
-	var keepFilter;
+	var target;
 	if(type === "only") {
-		keepFilter = function(name) {
-			return names.indexOf(name) !== -1;
-		};
+		target = true;
 	} else if(type === "except") {
-		keepFilter = function(name) {
-			return names.indexOf(name) === -1;
-		};
+		target = false;
 	} else {
 		return;
 	}
 	// Define a function to process each of our rule arrays
 	var processRuleArray = function(ruleArray) {
 		for(var t=ruleArray.length-1; t>=0; t--) {
-			if(!keepFilter(ruleArray[t].rule.name)) {
+			if((names.indexOf(ruleArray[t].rule.name) === -1) === target) {
 				ruleArray.splice(t,1);
 			}
 		}

core/modules/saver-handler.js

@@ -153,7 +153,7 @@ SaverHandler.prototype.saveWiki = function(options) {
 	var self = this,
 		method = options.method || "save";
 	// Ignore autosave if disabled
-	if(method === "autosave" && this.wiki.getTiddlerText(this.titleAutoSave,"yes") !== "yes") {
+	if(method === "autosave" && ($tw.config.disableAutoSave || this.wiki.getTiddlerText(this.titleAutoSave,"yes") !== "yes")) {
 		return false;
 	}
 	var	variables = options.variables || {},
@@ -197,8 +197,12 @@ SaverHandler.prototype.isDirty = function() {
 Update the document body with the class "tc-dirty" if the wiki has unsaved/unsynced changes
 */
 SaverHandler.prototype.updateDirtyStatus = function() {
+	var self = this;
 	if($tw.browser) {
 		$tw.utils.toggleClass(document.body,"tc-dirty",this.isDirty());
+		$tw.utils.each($tw.windows,function(win) {
+			$tw.utils.toggleClass(win.document.body,"tc-dirty",self.isDirty());
+		});
 	}
 };
 

core/modules/savers/custom.js

@@ -0,0 +1,60 @@
+/*\
+title: $:/core/modules/savers/custom.js
+type: application/javascript
+module-type: saver
+
+Looks for `window.$tw.customSaver` first on the current window, then
+on the parent window (of an iframe). If present, the saver must define
+	save: function(text,method,callback) { ... }
+and the saver may define
+	priority: number
+\*/
+(function(){
+
+/*jslint node: true, browser: true */
+/*global $tw: false */
+"use strict";
+
+var findSaver = function(window) {
+	try {
+		return window && window.$tw && window.$tw.customSaver;
+	} catch (err) {
+		// Catching the exception is the most reliable way to detect cross-origin iframe errors.
+		// For example, instead of saying that `window.parent.$tw` is undefined, Firefox will throw
+		//   Uncaught DOMException: Permission denied to access property "$tw" on cross-origin object
+		console.log({ msg: "custom saver is disabled", reason: err });
+		return null;
+	}
+}
+var saver = findSaver(window) || findSaver(window.parent) || {};
+
+var CustomSaver = function(wiki) {
+};
+
+CustomSaver.prototype.save = function(text,method,callback) {
+	return saver.save(text, method, callback);
+};
+
+/*
+Information about this saver
+*/
+CustomSaver.prototype.info = {
+	name: "custom",
+	priority: saver.priority || 4000,
+	capabilities: ["save","autosave"]
+};
+
+/*
+Static method that returns true if this saver is capable of working
+*/
+exports.canSave = function(wiki) {
+	return !!(saver.save);
+};
+
+/*
+Create an instance of this saver
+*/
+exports.create = function(wiki) {
+	return new CustomSaver(wiki);
+};
+})();

core/modules/savers/github.js

@@ -26,12 +26,13 @@ GitHubSaver.prototype.save = function(text,method,callback) {
 		repo = this.wiki.getTiddlerText("$:/GitHub/Repo"),
 		path = this.wiki.getTiddlerText("$:/GitHub/Path",""),
 		filename = this.wiki.getTiddlerText("$:/GitHub/Filename"),
-		branch = this.wiki.getTiddlerText("$:/GitHub/Branch") || "master",
+		branch = this.wiki.getTiddlerText("$:/GitHub/Branch") || "main",
 		endpoint = this.wiki.getTiddlerText("$:/GitHub/ServerURL") || "https://api.github.com",
 		headers = {
 			"Accept": "application/vnd.github.v3+json",
 			"Content-Type": "application/json;charset=UTF-8",
-			"Authorization": "Basic " + window.btoa(username + ":" + password)
+			"Authorization": "Basic " + window.btoa(username + ":" + password),
+			"If-None-Match": ""
 		};
 	// Bail if we don't have everything we need
 	if(!username || !password || !repo || !filename) {

core/modules/savers/put.js

@@ -89,9 +89,12 @@ PutSaver.prototype.save = function(text,method,callback) {
 			if(err) {
 				// response is textual: "XMLHttpRequest error code: 412"
 				var status = Number(err.substring(err.indexOf(':') + 2, err.length))
-				if(status === 412) { // edit conflict
-					var message = $tw.language.getString("Error/EditConflict");
-					callback(message);
+				if(status === 412) { // file changed on server
+					callback($tw.language.getString("Error/PutEditConflict"));
+				} else if(status === 401) { // authentication required
+					callback($tw.language.getString("Error/PutUnauthorized"));
+				} else if(status === 403) { // permission denied
+					callback($tw.language.getString("Error/PutForbidden"));
 				} else {
 					callback(err); // fail
 				}

core/modules/savers/upload.js

@@ -28,17 +28,29 @@ UploadSaver.prototype.save = function(text,method,callback) {
 		password = $tw.utils.getPassword("upload"),
 		uploadDir = this.wiki.getTextReference("$:/UploadDir") || ".",
 		uploadFilename = this.wiki.getTextReference("$:/UploadFilename") || "index.html",
+		uploadWithUrlOnly = this.wiki.getTextReference("$:/UploadWithUrlOnly") || "no",
 		url = this.wiki.getTextReference("$:/UploadURL");
 	// Bail out if we don't have the bits we need
-	if(!username || username.toString().trim() === "" || !password || password.toString().trim() === "") {
-		return false;
+	if (uploadWithUrlOnly === "yes") {
+		// The url is good enough. No need for a username and password.
+		// Assume the server uses some other kind of auth mechanism.
+		if(!url || url.toString().trim() === "") {
+			return false;
+		}
+	}
+	else {
+		// Require username and password to be present.
+		// Assume the server uses the standard UploadPlugin username/password.
+		if(!username || username.toString().trim() === "" || !password || password.toString().trim() === "") {
+			return false;
+		}
 	}
 	// Construct the url if not provided
 	if(!url) {
 		url = "http://" + username + ".tiddlyspot.com/store.cgi";
 	}
 	// Assemble the header
-	var boundary = "---------------------------" + "AaB03x";	
+	var boundary = "---------------------------" + "AaB03x";
 	var uploadFormName = "UploadPlugin";
 	var head = [];
 	head.push("--" + boundary + "\r\nContent-disposition: form-data; name=\"UploadPlugin\"\r\n");

core/modules/server/routes/get-favicon.js

@@ -17,9 +17,8 @@ exports.method = "GET";
 exports.path = /^\/favicon.ico$/;
 
 exports.handler = function(request,response,state) {
-	response.writeHead(200, {"Content-Type": "image/x-icon"});
 	var buffer = state.wiki.getTiddlerText("$:/favicon.ico","");
-	response.end(buffer,"base64");
+	state.sendResponse(200,{"Content-Type": "image/x-icon"},buffer,"base64");
 };
 
 }());

core/modules/server/routes/get-file.js

@@ -34,10 +34,7 @@ exports.handler = function(request,response,state) {
 			content = content;
 			type = ($tw.config.fileExtensionInfo[extension] ? $tw.config.fileExtensionInfo[extension].type : "application/octet-stream");
 		}
-		response.writeHead(status,{
-			"Content-Type": type
-		});
-		response.end(content);
+		state.sendResponse(status,{"Content-Type": type},content);
 	});
 };
 

core/modules/server/routes/get-index.js

@@ -12,38 +12,16 @@ GET /
 /*global $tw: false */
 "use strict";
 
-var zlib = require("zlib");
-
 exports.method = "GET";
 
 exports.path = /^\/$/;
 
 exports.handler = function(request,response,state) {
-	var acceptEncoding = request.headers["accept-encoding"];
-	if(!acceptEncoding) {
-		acceptEncoding = "";
-	}
 	var text = state.wiki.renderTiddler(state.server.get("root-render-type"),state.server.get("root-tiddler")),
 		responseHeaders = {
 		"Content-Type": state.server.get("root-serve-type")
 	};
-	/*
-	If the gzip=yes flag for `listen` is set, check if the user agent permits
-	compression. If so, compress our response. Note that we use the synchronous
-	functions from zlib to stay in the imperative style. The current `Server`
-	doesn't depend on this, and we may just as well use the async versions.
-	*/
-	if(state.server.enableGzip) {
-		if (/\bdeflate\b/.test(acceptEncoding)) {
-			responseHeaders["Content-Encoding"] = "deflate";
-			text = zlib.deflateSync(text);
-		} else if (/\bgzip\b/.test(acceptEncoding)) {
-			responseHeaders["Content-Encoding"] = "gzip";
-			text = zlib.gzipSync(text);
-		}
-	}
-	response.writeHead(200,responseHeaders);
-	response.end(text);
+	state.sendResponse(200,responseHeaders,text);
 };
 
 }());

core/modules/server/routes/get-login-basic.js

@@ -22,11 +22,12 @@ exports.handler = function(request,response,state) {
 		response.writeHead(401,{
 			"WWW-Authenticate": 'Basic realm="Please provide your username and password to login to ' + state.server.servername + '"'
 		});
-		response.end();		
+		response.end();
 	} else {
 		// Redirect to the root wiki if login worked
+		var location = ($tw.syncadaptor && $tw.syncadaptor.host)? $tw.syncadaptor.host: "/";
 		response.writeHead(302,{
-			Location: "/"
+			Location: location
 		});
 		response.end();
 	}

core/modules/server/routes/get-status.js

@@ -17,17 +17,17 @@ exports.method = "GET";
 exports.path = /^\/status$/;
 
 exports.handler = function(request,response,state) {
-	response.writeHead(200, {"Content-Type": "application/json"});
 	var text = JSON.stringify({
 		username: state.authenticatedUsername || state.server.get("anon-username") || "",
 		anonymous: !state.authenticatedUsername,
 		read_only: !state.server.isAuthorized("writers",state.authenticatedUsername),
+		sse_enabled: state.server.get("sse-enabled") === "yes",
 		space: {
 			recipe: "default"
 		},
 		tiddlywiki_version: $tw.version
 	});
-	response.end(text,"utf8");
+	state.sendResponse(200,{"Content-Type": "application/json"},text,"utf8");
 };
 
 }());

core/modules/server/routes/get-tiddler-html.js

@@ -32,9 +32,9 @@ exports.handler = function(request,response,state) {
 			renderTemplate = renderTemplate || state.server.get("tiddler-render-template");
 		}
 		var text = state.wiki.renderTiddler(renderType,renderTemplate,{parseAsInline: true, variables: {currentTiddler: title}});
+
 		// Naughty not to set a content-type, but it's the easiest way to ensure the browser will see HTML pages as HTML, and accept plain text tiddlers as CSS or JS
-		response.writeHead(200);
-		response.end(text,"utf8");
+		state.sendResponse(200,{},text,"utf8");
 	} else {
 		response.writeHead(404);
 		response.end();

core/modules/server/routes/get-tiddler.js

@@ -36,8 +36,7 @@ exports.handler = function(request,response,state) {
 		tiddlerFields.revision = state.wiki.getChangeCount(title);
 		tiddlerFields.bag = "default";
 		tiddlerFields.type = tiddlerFields.type || "text/vnd.tiddlywiki";
-		response.writeHead(200, {"Content-Type": "application/json"});
-		response.end(JSON.stringify(tiddlerFields),"utf8");
+		state.sendResponse(200,{"Content-Type": "application/json"},JSON.stringify(tiddlerFields),"utf8");
 	} else {
 		response.writeHead(404);
 		response.end();

core/modules/server/routes/get-tiddlers-json.js

@@ -28,9 +28,11 @@ exports.handler = function(request,response,state) {
 			return;
 		}
 	}
+	if(state.wiki.getTiddlerText("$:/config/SyncSystemTiddlersFromServer") === "no") {
+		filter += "+[!is[system]]";
+	}
 	var excludeFields = (state.queryParameters.exclude || "text").split(","),
 		titles = state.wiki.filterTiddlers(filter);
-	response.writeHead(200, {"Content-Type": "application/json"});
 	var tiddlers = [];
 	$tw.utils.each(titles,function(title) {
 		var tiddler = state.wiki.getTiddler(title);
@@ -42,7 +44,7 @@ exports.handler = function(request,response,state) {
 		}
 	});
 	var text = JSON.stringify(tiddlers);
-	response.end(text,"utf8");
+	state.sendResponse(200,{"Content-Type": "application/json"},text,"utf8");
 };
 
 }());

core/modules/server/server-sent-events.js

@@ -0,0 +1,70 @@
+/*\
+title: $:/core/modules/server/server-sent-events.js
+type: application/javascript
+module-type: library
+\*/
+(function(){
+
+/*jslint node: true, browser: true */
+/*global $tw: false */
+"use strict";
+
+/*
+parameters:
+		prefix - usually the plugin path, such as `plugins/tiddlywiki/tiddlyweb`. The
+			route will match `/events/${prefix}` exactly.
+
+		handler - a function that will be called each time a request comes in with the
+			request and state from the route and an emit function to call.
+*/
+
+var ServerSentEvents = function ServerSentEvents(prefix, handler) {
+	this.handler = handler;
+	this.prefix = prefix;
+};
+
+ServerSentEvents.prototype.getExports = function() {
+	return {
+		bodyFormat: "stream",
+		method: "GET",
+		path: new RegExp("^/events/" + this.prefix + "$"),
+		handler: this.handleEventRequest.bind(this)
+	};
+};
+
+ServerSentEvents.prototype.handleEventRequest = function(request,response,state) {
+	if(ServerSentEvents.prototype.isEventStreamRequest(request)) {
+		response.writeHead(200, {
+			"Content-Type": "text/event-stream",
+			"Cache-Control": "no-cache",
+			"Connection": "keep-alive"
+		});
+		this.handler(request,state,this.emit.bind(this,response),this.end.bind(this,response));
+	} else {
+		response.writeHead(406,"Not Acceptable",{});
+		response.end();
+	}
+};
+
+ServerSentEvents.prototype.isEventStreamRequest = function(request) {
+	return request.headers.accept &&
+		request.headers.accept.match(/^text\/event-stream/);
+};
+
+ServerSentEvents.prototype.emit = function(response,event,data) {
+	if(typeof event !== "string" || event.indexOf("\n") !== -1) {
+		throw new Error("Type must be a single-line string");
+	}
+	if(typeof data !== "string" || data.indexOf("\n") !== -1) {
+		throw new Error("Data must be a single-line string");
+	}
+	response.write("event: " + event + "\ndata: " + data + "\n\n", "utf8");
+};
+
+ServerSentEvents.prototype.end = function(response) {
+	response.end();
+};
+
+exports.ServerSentEvents = ServerSentEvents;
+
+})();

core/modules/server/server.js

@@ -17,7 +17,9 @@ if($tw.node) {
 		fs = require("fs"),
 		url = require("url"),
 		path = require("path"),
-		querystring = require("querystring");
+		querystring = require("querystring"),
+		crypto = require("crypto"),
+		zlib = require("zlib");
 }
 
 /*
@@ -40,13 +42,15 @@ function Server(options) {
 			if(options.variables[variable]) {
 				this.variables[variable] = options.variables[variable];
 			}
-		}		
+		}
 	}
 	$tw.utils.extend({},this.defaultVariables,options.variables);
 	// Initialise CSRF
 	this.csrfDisable = this.get("csrf-disable") === "yes";
 	// Initialize Gzip compression
 	this.enableGzip = this.get("gzip") === "yes";
+	// Initialize browser-caching
+	this.enableBrowserCache = this.get("use-browser-cache") === "yes";
 	// Initialise authorization
 	var authorizedUserName = (this.get("username") && this.get("password")) ? this.get("username") : "(anon)";
 	this.authorizationPrincipals = {
@@ -78,6 +82,71 @@ function Server(options) {
 	this.transport = require(this.protocol);
 }
 
+/*
+Send a response to the client. This method checks if the response must be sent
+or if the client alrady has the data cached. If that's the case only a 304
+response will be transmitted and the browser will use the cached data.
+Only requests with status code 200 are considdered for caching.
+request: request instance passed to the handler
+response: response instance passed to the handler
+statusCode: stauts code to send to the browser
+headers: response headers (they will be augmented with an `Etag` header)
+data: the data to send (passed to the end method of the response instance)
+encoding: the encoding of the data to send (passed to the end method of the response instance)
+*/
+function sendResponse(request,response,statusCode,headers,data,encoding) {
+	if(this.enableBrowserCache && (statusCode == 200)) {
+		var hash = crypto.createHash('md5');
+		// Put everything into the hash that could change and invalidate the data that
+		// the browser already stored. The headers the data and the encoding.
+		hash.update(data);
+		hash.update(JSON.stringify(headers));
+		if(encoding) {
+			hash.update(encoding);
+		}
+		var contentDigest = hash.digest("hex");
+		// RFC 7232 section 2.3 mandates for the etag to be enclosed in quotes
+		headers["Etag"] = '"' + contentDigest + '"';
+		headers["Cache-Control"] = "max-age=0, must-revalidate";
+		// Check if any of the hashes contained within the if-none-match header
+		// matches the current hash.
+		// If one matches, do not send the data but tell the browser to use the
+		// cached data.
+		// We do not implement "*" as it makes no sense here.
+		var ifNoneMatch = request.headers["if-none-match"];
+		if(ifNoneMatch) {
+			var matchParts = ifNoneMatch.split(",").map(function(etag) {
+				return etag.replace(/^[ "]+|[ "]+$/g, "");
+			});
+			if(matchParts.indexOf(contentDigest) != -1) {
+				response.writeHead(304,headers);
+				response.end();
+				return;
+			}
+		}
+	}
+	/*
+	If the gzip=yes is set, check if the user agent permits compression. If so,
+	compress our response if the raw data is bigger than 2k. Compressing less
+	data is inefficient. Note that we use the synchronous functions from zlib
+	to stay in the imperative style. The current `Server` doesn't depend on
+	this, and we may just as well use the async versions.
+	*/
+	if(this.enableGzip && (data.length > 2048)) {
+		var acceptEncoding = request.headers["accept-encoding"] || "";
+		if(/\bdeflate\b/.test(acceptEncoding)) {
+			headers["Content-Encoding"] = "deflate";
+			data = zlib.deflateSync(data);
+		} else if(/\bgzip\b/.test(acceptEncoding)) {
+			headers["Content-Encoding"] = "gzip";
+			data = zlib.gzipSync(data);
+		}
+	}
+
+	response.writeHead(statusCode,headers);
+	response.end(data,encoding);
+}
+
 Server.prototype.defaultVariables = {
 	port: "8080",
 	host: "127.0.0.1",
@@ -89,7 +158,8 @@ Server.prototype.defaultVariables = {
 	"system-tiddler-render-type": "text/plain",
 	"system-tiddler-render-template": "$:/core/templates/wikified-tiddler",
 	"debug-level": "none",
-	"gzip": "no"
+	"gzip": "no",
+	"use-browser-cache": "no"
 };
 
 Server.prototype.get = function(name) {
@@ -167,13 +237,14 @@ Server.prototype.requestHandler = function(request,response,options) {
 	state.urlInfo = url.parse(request.url);
 	state.queryParameters = querystring.parse(state.urlInfo.query);
 	state.pathPrefix = options.pathPrefix || this.get("path-prefix") || "";
+	state.sendResponse = sendResponse.bind(self,request,response);
 	// Get the principals authorized to access this resource
 	var authorizationType = this.methodMappings[request.method] || "readers";
 	// Check for the CSRF header if this is a write
 	if(!this.csrfDisable && authorizationType === "writers" && request.headers["x-requested-with"] !== "TiddlyWiki") {
 		response.writeHead(403,"'X-Requested-With' header required to login to '" + this.servername + "'");
 		response.end();
-		return;		
+		return;
 	}
 	// Check whether anonymous access is granted
 	state.allowAnon = this.isAuthorized(authorizationType,null);
@@ -182,7 +253,7 @@ Server.prototype.requestHandler = function(request,response,options) {
 		if(!this.authenticators[0].authenticateRequest(request,response,state)) {
 			// Bail if we failed (the authenticator will have sent the response)
 			return;
-		}		
+		}
 	}
 	// Authorize with the authenticated username
 	if(!this.isAuthorized(authorizationType,state.authenticatedUsername)) {

core/modules/startup/favicon.js

@@ -17,7 +17,7 @@ exports.name = "favicon";
 exports.platforms = ["browser"];
 exports.after = ["startup"];
 exports.synchronous = true;
-		
+
 // Favicon tiddler
 var FAVICON_TITLE = "$:/favicon.ico";
 

core/modules/startup/info.js

@@ -21,29 +21,37 @@ exports.synchronous = true;
 var TITLE_INFO_PLUGIN = "$:/temp/info-plugin";
 
 exports.startup = function() {
+	// Function to bake the info plugin with new tiddlers
+	var updateInfoPlugin = function(tiddlerFieldsArray) {
+		// Get the existing tiddlers
+		var json = $tw.wiki.getTiddlerData(TITLE_INFO_PLUGIN,{tiddlers: {}});
+		// Add the new ones
+		$tw.utils.each(tiddlerFieldsArray,function(fields) {
+			if(fields && fields.title) {
+				json.tiddlers[fields.title] = fields;
+			}
+		});
+		// Bake the info tiddlers into a plugin. We use the non-standard plugin-type "info" because ordinary plugins are only registered asynchronously after being loaded dynamically
+		var fields = {
+			title: TITLE_INFO_PLUGIN,
+			type: "application/json",
+			"plugin-type": "info",
+			text: JSON.stringify(json,null,$tw.config.preferences.jsonSpaces)
+		};
+		$tw.wiki.addTiddler(new $tw.Tiddler(fields));
+
+	};
 	// Collect up the info tiddlers
-	var infoTiddlerFields = {};
-	// Give each info module a chance to fill in as many info tiddlers as they want
+	var tiddlerFieldsArray = [];
+	// Give each info module a chance to provide as many info tiddlers as they want as an array, and give them a callback for dynamically updating them
 	$tw.modules.forEachModuleOfType("info",function(title,moduleExports) {
 		if(moduleExports && moduleExports.getInfoTiddlerFields) {
-			var tiddlerFieldsArray = moduleExports.getInfoTiddlerFields(infoTiddlerFields);
-			$tw.utils.each(tiddlerFieldsArray,function(fields) {
-				if(fields) {
-					infoTiddlerFields[fields.title] = fields;
-				}
-			});
+			Array.prototype.push.apply(tiddlerFieldsArray,moduleExports.getInfoTiddlerFields(updateInfoPlugin));
 		}
 	});
-	// Bake the info tiddlers into a plugin. We use the non-standard plugin-type "info" because ordinary plugins are only registered asynchronously after being loaded dynamically
-	var fields = {
-		title: TITLE_INFO_PLUGIN,
-		type: "application/json",
-		"plugin-type": "info",
-		text: JSON.stringify({tiddlers: infoTiddlerFields},null,$tw.config.preferences.jsonSpaces)
-	};
-	$tw.wiki.addTiddler(new $tw.Tiddler(fields));
-	$tw.wiki.readPluginInfo([TITLE_INFO_PLUGIN]);
-	$tw.wiki.registerPluginTiddlers("info");
+	updateInfoPlugin(tiddlerFieldsArray);
+	var changes = $tw.wiki.readPluginInfo([TITLE_INFO_PLUGIN]);
+	$tw.wiki.registerPluginTiddlers("info",[TITLE_INFO_PLUGIN]);
 	$tw.wiki.unpackPluginTiddlers();
 };
 

core/modules/startup/load-modules.js

@@ -22,6 +22,9 @@ exports.startup = function() {
 	if($tw.node) {
 		$tw.modules.applyMethods("utils-node",$tw.utils);
 	}
+	if($tw.browser) {
+		$tw.modules.applyMethods("utils-browser",$tw.utils);
+	}
 	$tw.modules.applyMethods("global",$tw);
 	$tw.modules.applyMethods("config",$tw.config);
 	$tw.Tiddler.fieldModules = $tw.modules.getModulesByTypeAsHashmap("tiddlerfield");

core/modules/startup/plugins.js

@@ -24,6 +24,7 @@ var PREFIX_CONFIG_REGISTER_PLUGIN_TYPE = "$:/config/RegisterPluginType/";
 exports.startup = function() {
 	$tw.wiki.addTiddler({title: TITLE_REQUIRE_RELOAD_DUE_TO_PLUGIN_CHANGE,text: "no"});
 	$tw.wiki.addEventListener("change",function(changes) {
+		// Work out which of the changed tiddlers are plugins that we need to reregister
 		var changesToProcess = [],
 			requireReloadDueToPluginChange = false;
 		$tw.utils.each(Object.keys(changes),function(title) {
@@ -38,6 +39,7 @@ exports.startup = function() {
 				}
 			}
 		});
+		// Issue warning if any of the tiddlers require a reload
 		if(requireReloadDueToPluginChange) {
 			$tw.wiki.addTiddler({title: TITLE_REQUIRE_RELOAD_DUE_TO_PLUGIN_CHANGE,text: "yes"});
 		}
@@ -45,12 +47,35 @@ exports.startup = function() {
 		if(changesToProcess.length > 0) {
 			var changes = $tw.wiki.readPluginInfo(changesToProcess);
 			if(changes.modifiedPlugins.length > 0 || changes.deletedPlugins.length > 0) {
+				var changedShadowTiddlers = {};
+				// Collect the shadow tiddlers of any deleted plugins
+				$tw.utils.each(changes.deletedPlugins,function(pluginTitle) {
+					var pluginInfo = $tw.wiki.getPluginInfo(pluginTitle);
+					if(pluginInfo) {
+						$tw.utils.each(Object.keys(pluginInfo.tiddlers),function(title) {
+							changedShadowTiddlers[title] = true;
+						});
+					}
+				});
+				// Collect the shadow tiddlers of any modified plugins
+				$tw.utils.each(changes.modifiedPlugins,function(pluginTitle) {
+					var pluginInfo = $tw.wiki.getPluginInfo(pluginTitle);
+					if(pluginInfo) {
+						$tw.utils.each(Object.keys(pluginInfo.tiddlers),function(title) {
+							changedShadowTiddlers[title] = false;
+						});
+					}
+				});
 				// (Re-)register any modified plugins
 				$tw.wiki.registerPluginTiddlers(null,changes.modifiedPlugins);
 				// Unregister any deleted plugins
 				$tw.wiki.unregisterPluginTiddlers(null,changes.deletedPlugins);
 				// Unpack the shadow tiddlers
 				$tw.wiki.unpackPluginTiddlers();
+				// Queue change events for the changed shadow tiddlers
+				$tw.utils.each(Object.keys(changedShadowTiddlers),function(title) {
+					$tw.wiki.enqueueTiddlerEvent(title,changedShadowTiddlers[title]);
+				});
 			}
 		}
 	});