Merge branch 'master' into colour-improvements

* Fix typo in story width variable name

* Add change note for release 5.5.0

Fixes a typo in the CSS custom properties

.github/workflows/ci.yml

@@ -10,12 +10,12 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
-      - uses: actions/setup-node@v4
+      - uses: actions/checkout@v6
+      - uses: actions/setup-node@v6
         with:
           node-version: "${{ env.NODE_VERSION }}"
       - run: "./bin/ci-test.sh"
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v7
         if: always()
         with:
           name: playwright-report
@@ -30,8 +30,8 @@ jobs:
       TW5_BUILD_MAIN_EDITION: "./editions/prerelease"
       TW5_BUILD_OUTPUT: "./output/prerelease"
     steps:
-      - uses: actions/checkout@v5
-      - uses: actions/setup-node@v4
+      - uses: actions/checkout@v6
+      - uses: actions/setup-node@v6
         with:
           node-version: "${{ env.NODE_VERSION }}"
       - run: "./bin/ci-pre-build.sh"
@@ -62,8 +62,8 @@ jobs:
       TW5_BUILD_OUTPUT: "./output"
       TW5_BUILD_ARCHIVE: "./output"
     steps:
-      - uses: actions/checkout@v5
-      - uses: actions/setup-node@v4
+      - uses: actions/checkout@v6
+      - uses: actions/setup-node@v6
         with:
           node-version: "${{ env.NODE_VERSION }}"
       - run: "./bin/ci-pre-build.sh"

.github/workflows/pr-check-build-size.yml

@@ -20,7 +20,7 @@ jobs:
     steps:
     - name: build-size-check
       id: get_sizes
-      uses: TiddlyWiki/cerebrus@v7
+      uses: TiddlyWiki/cerebrus@v8.1
       with:
         pr_number: ${{ github.event.pull_request.number }}
         repo: ${{ github.repository }}
@@ -52,4 +52,4 @@ jobs:
               pr_size: '${{ needs.calculate-build-size.outputs.pr_size }}',
               base_size: '${{ needs.calculate-build-size.outputs.base_size }}'
             }
-          });
+          });

.github/workflows/pr-comment-build-size.yml

@@ -25,7 +25,7 @@ jobs:
 
     steps:
     - name: Build and check size
-      uses: TiddlyWiki/cerebrus@v7
+      uses: TiddlyWiki/cerebrus@v8.1
       with:
         pr_number: ${{ inputs.pr_number }}
         repo: ${{ github.repository }}

.github/workflows/pr-validation.yml

@@ -15,7 +15,7 @@ jobs:
     steps:
     # Step 1: Validate PR paths
     - name: Validate PR Paths
-      uses: TiddlyWiki/cerebrus@v6
+      uses: TiddlyWiki/cerebrus@v8.1
       with:
         pr_number: ${{ github.event.pull_request.number }}
         repo: ${{ github.repository }}
@@ -26,7 +26,7 @@ jobs:
     
     # Step 2: Validate change notes
     - name: Validate Change Notes
-      uses: TiddlyWiki/cerebrus@v7
+      uses: TiddlyWiki/cerebrus@v8.1
       with:
         pr_number: ${{ github.event.pull_request.number }}
         repo: ${{ github.repository }}

.npmignore

@@ -3,3 +3,4 @@
 tmp/
 output/
 node_modules/
+.claude/

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=v5.4.0
+    TW5_BUILD_VERSION=v5.5.0.
 fi
 
 echo "Using TW5_BUILD_VERSION as [$TW5_BUILD_VERSION]"

bin/build-tw-org.sh

@@ -45,7 +45,7 @@ git clone --depth=1 --branch=main "https://github.com/TiddlyWiki/tiddlywiki.org-
 
 # Make the CNAME file that GitHub Pages requires
 
-echo "tiddlywiki.org" > $TWORG_BUILD_OUTPUT/CNAME
+# echo "tiddlywiki.org" > $TWORG_BUILD_OUTPUT/CNAME
 
 # Delete any existing static content
 

community/project/teams/TiddlyDesktop Team.tid

@@ -0,0 +1,8 @@
+title: TiddlyWiki Team
+tags: Community/Team
+modified: 20260708095630754
+created: 20260708095630754
+leader: @BurningTreeC
+team: 
+
+The TiddlyDesktop development repository is at https://github.com/TiddlyWiki/TiddlyDesktop

core-server/filesystem.js

@@ -217,6 +217,11 @@ exports.generateTiddlerFileInfo = function(tiddler,options) {
 		fileInfo.isEditableFile = true;
 		fileInfo.originalpath = options.fileInfo.originalpath;
 	}
+	// Propagate the pinFilepath flag (so generateTiddlerFilepath can short-circuit
+	// FileSystemPaths and write back to the original location)
+	if(options.fileInfo && !!options.fileInfo.pinFilepath) {
+		fileInfo.pinFilepath = true;
+	}
 	// Check if the tiddler has any unsafe fields that can't be expressed in a .tid or .meta file: containing control characters, or leading/trailing whitespace
 	var hasUnsafeFields = false;
 	$tw.utils.each(tiddler.getFieldStrings(),function(value,fieldName) {
@@ -319,9 +324,16 @@ exports.generateTiddlerFilepath = function(title,options) {
 		extension = options.extension || "",
 		originalpath = (options.fileInfo && options.fileInfo.originalpath) ? options.fileInfo.originalpath : "",
 		overwrite = options.fileInfo && options.fileInfo.overwrite || false,
+		pinFilepath = !!(options.fileInfo && options.fileInfo.pinFilepath),
 		filepath;
+	// If the tiddler's filepath is pinned via tiddlywiki.files, the originalpath
+	// wins and the path filters are skipped entirely.
+	if(pinFilepath && originalpath) {
+		var pinnedExt = path.extname(originalpath);
+		filepath = originalpath.substring(0,originalpath.length - pinnedExt.length);
+	}
 	// Check if any of the pathFilters applies
-	if(options.pathFilters && options.wiki) {
+	if(!filepath && options.pathFilters && options.wiki) {
 		$tw.utils.each(options.pathFilters,function(filter) {
 			if(!filepath) {
 				var source = options.wiki.makeTiddlerIterator([title]),
@@ -336,13 +348,14 @@ exports.generateTiddlerFilepath = function(title,options) {
 		//Use the originalpath without the extension
 		var ext = path.extname(originalpath);
 		filepath = originalpath.substring(0,originalpath.length - ext.length);
+		// normalise "\" to "/" so the sanitiser keeps subdirectories
+		// (it strips "\", not "/") instead of flattening them.
+		filepath = filepath.split(path.sep).join("/");
 	} else if(!filepath) {
 		filepath = title;
 		// Remove any forward or backward slashes so we don't create directories
 		filepath = filepath.replace(/\/|\\/g,"_");
 	}
-	// Replace any Windows control codes
-	filepath = filepath.replace(/^(con|prn|aux|nul|com[0-9]|lpt[0-9])$/i,"_$1_");
 	// Replace any leading spaces with the same number of underscores
 	filepath = filepath.replace(/^ +/,function (u) { return u.replace(/ /g, "_");});
 	//If the path does not start with "." or ".." && a path seperator, then
@@ -352,8 +365,23 @@ exports.generateTiddlerFilepath = function(title,options) {
 	}
 	// Replace any Unicode control codes
 	filepath = filepath.replace(/[\x00-\x1f\x80-\x9f]/g,"_");
-	// Replace any characters that can't be used in cross-platform filenames
-	filepath = $tw.utils.transliterate(filepath.replace(/<|>|~|\:|\"|\||\?|\*|\^/g,"_"));
+	// Replace any characters that can't be used in cross-platform filenames.
+	if(!pinFilepath) {
+		filepath = $tw.utils.transliterate(filepath.replace(/<|>|~|\:|\"|\||\?|\*|\^|\\/g,"_"));
+	}
+	// Per segment (catches "sub/CON"), MUST be after transliterate which can create a
+	// reserved name. Reserved names are wrapped on every path incl pinned;
+	// trailing dots/spaces (Windows strips) fixed for generated names, not pinned.
+	filepath = filepath.split("/").map(function(segment) {
+		if(segment === "" || segment === "." || segment === "..") {
+			return segment;
+		}
+		segment = segment.replace(/^(con|prn|aux|nul|com[0-9]|lpt[0-9])$/i,"_$1_");
+		if(!pinFilepath) {
+			segment = segment.replace(/[. ]+$/,function(u) { return u.replace(/[. ]/g,"_"); });
+		}
+		return segment;
+	}).join("/");
 	// Replace any dots or spaces at the end of the extension with the same number of underscores
 	extension = extension.replace(/[\. ]+$/, function (u) { return u.replace(/[\. ]/g, "_");});
 	// Truncate the extension if it is too long

core-server/server/server.js

@@ -9,15 +9,14 @@ Serve tiddlers over http
 
 "use strict";
 
-let fs, url, path, querystring, crypto, zlib;
+let fs, path, crypto, zlib, URL;
 
 if($tw.node) {
 	fs = require("fs"),
-	url = require("url"),
 	path = require("path"),
-	querystring = require("querystring"),
 	crypto = require("crypto"),
 	zlib = require("zlib");
+	URL = require("url").URL;
 }
 
 /*
@@ -260,8 +259,8 @@ Server.prototype.requestHandler = function(request,response,options) {
 	state.wiki = options.wiki || self.wiki;
 	state.boot = options.boot || self.boot;
 	state.server = self;
-	state.urlInfo = url.parse(request.url);
-	state.queryParameters = querystring.parse(state.urlInfo.query);
+	state.urlInfo = new URL(request.url, "http://localhost");
+	state.queryParameters = Object.fromEntries(state.urlInfo.searchParams);
 	state.pathPrefix = options.pathPrefix || this.get("path-prefix") || "";
 	// Enable CORS
 	if(this.corsEnable) {

core/language/en-GB/ControlPanel.multids

@@ -58,10 +58,14 @@ 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
+Palette/Customisations/Prompt: Customisations for the current palette: <<palette-link>>
+Palette/Customisations/Reset/Caption: reset customisations
+Palette/Editor/Customised/Prompt: This palette has customisations that override the entries marked below
+Palette/Editor/Customised/Entry: overridden by a customisation
 Palette/Editor/Clone/Caption: clone
 Palette/Editor/Clone/Prompt: It is recommended that you clone this shadow palette before editing it
 Palette/Editor/Delete/Hint: delete this entry from the current palette
-Palette/Editor/Names/External/Show: Show color names that are not part of the current palette
+Palette/Editor/Names/External/Show: Show inherited palette entries
 Palette/Editor/Prompt/Modified: This shadow palette has been modified
 Palette/Editor/Prompt: Editing
 Palette/Editor/Reset/Caption: reset
@@ -255,4 +259,5 @@ ViewTemplateTags/Caption: View Template Tags
 ViewTemplateTags/Hint: This rule cascade is used by the default view template to dynamically choose the template for displaying the tags area of a tiddler.
 WikiInformation/Caption: Wiki Information
 WikiInformation/Hint: This page summarises high level information about the configuration of this ~TiddlyWiki. It is designed to enable users to quickly share relevant aspects of the configuration of their ~TiddlyWiki with others, for example when seeking help in one of the forums. No private or personal information is included, and nothing is shared without being explicitly copied and pasted elsewhere
-WikiInformation/Drag/Caption: Drag this link to copy this tool to another wiki
+WikiInformation/Drag/Caption: Drag this link to copy this tool to another wiki
+WikiInformation/Generate/Caption: Click to generate wiki information report

core/language/en-GB/Misc.multids

@@ -30,6 +30,8 @@ Error/DeserializeOperator/MissingOperand: Filter Error: Missing operand for 'des
 Error/DeserializeOperator/UnknownDeserializer: Filter Error: Unknown deserializer provided as operand for the 'deserialize' operator
 Error/Filter: Filter error
 Error/FilterSyntax: Syntax error in filter expression
+Error/FilterPragma: Filter Error: Unknown filter pragma
+Error/FilterPragmaPosition: Filter Error: Filter pragmas are only allowed at the start of a filter
 Error/FilterRunPrefix: Filter Error: Unknown prefix for filter run
 Error/IsFilterOperator: Filter Error: Unknown parameter for the 'is' filter operator
 Error/FormatFilterOperator: Filter Error: Unknown suffix for the 'format' filter operator

core/language/en-GB/TiddlerInfo.multids

@@ -10,7 +10,7 @@ Advanced/ShadowInfo/Shadow/Hint: The tiddler <$link to=<<infoTiddler>>><$text te
 Advanced/ShadowInfo/Shadow/Source: It is defined in the plugin <$link to=<<pluginTiddler>>><$text text=<<pluginTiddler>>/></$link>
 Advanced/ShadowInfo/OverriddenShadow/Hint: It is overridden by an ordinary tiddler
 Advanced/CascadeInfo/Heading: Cascade Details
-Advanced/CascadeInfo/Hint: These are the view template segments (tagged <<tag "$:/tags/ViewTemplate">>) using a cascade filter and their resulting template for the current tiddler.
+Advanced/CascadeInfo/Hint: These are the view template segments that are resolved for each of the system view template cascades
 Advanced/CascadeInfo/Detail/View: View
 Advanced/CascadeInfo/Detail/ActiveCascadeFilter: Active cascade filter
 Advanced/CascadeInfo/Detail/Template: Template

core/modules/background-actions.js

@@ -78,7 +78,6 @@ class BackgroundActionTracker {
 			fnProcess: (changes) => {
 				if(this.hasChanged) {
 					this.hasChanged = false;
-					console.log("Processing background action", this.title);
 					const tiddler = this.wiki.getTiddler(this.title);
 					let doActions = true;
 					if(tiddler && tiddler.fields.platforms) {
@@ -89,6 +88,7 @@ class BackgroundActionTracker {
 						}
 					}
 					if(doActions) {
+						console.log("Processing background action", this.title);
 						this.wiki.invokeActionString(
 							this.actions,
 							null,

core/modules/editor/engines/framed.js

@@ -31,8 +31,7 @@ function FramedEngine(options) {
 	this.parentNode.insertBefore(this.iframeNode,this.nextSibling);
 	this.iframeDoc = this.iframeNode.contentWindow.document;
 	// (Firefox requires us to put some empty content in the iframe)
-	var paletteTitle = this.widget.wiki.getTiddlerText("$:/palette");
-	var colorScheme = (this.widget.wiki.getTiddler(paletteTitle) || {fields: {}}).fields["color-scheme"] || "light";
+	var colorScheme = (this.widget.wiki.getTiddler("$:/temp/palette-colours") || {fields: {}}).fields["color-scheme"] || "light";
 	this.iframeDoc.open();
 	this.iframeDoc.write("<!DOCTYPE html><html><head><meta name='color-scheme' content='" + colorScheme + "'></head><body></body></html>");
 	this.iframeDoc.close();
@@ -156,14 +155,13 @@ Fix the height of textarea to fit content
 FramedEngine.prototype.fixHeight = function() {
 	// Make sure styles are updated
 	this.copyStyles();
-	// If .editRows is initialised, it takes precedence
-	if(this.widget.editTag === "textarea" && !this.widget.editRows) {
+	if(this.widget.editTag === "textarea") {
 		if(this.widget.editAutoHeight) {
 			if(this.domNode && !this.domNode.isTiddlyWikiFakeDom) {
 				var newHeight = $tw.utils.resizeTextAreaToFit(this.domNode,this.widget.editMinHeight);
 				this.iframeNode.style.height = newHeight + "px";
 			}
-		} else {
+		} else if(!this.widget.editRows) {
 			var fixedHeight = parseInt(this.widget.wiki.getTiddlerText(HEIGHT_VALUE_TITLE,"400px"),10);
 			fixedHeight = Math.max(fixedHeight,20);
 			this.domNode.style.height = fixedHeight + "px";

core/modules/editor/engines/simple.js

@@ -28,7 +28,12 @@ function SimpleEngine(options) {
 	if(this.widget.editTag === "textarea") {
 		this.domNode.appendChild(this.widget.document.createTextNode(this.value));
 	} else {
-		this.domNode.value = this.value;
+		if(this.widget.editType === "color") {
+			// The <input type="color"> element requires a six digit hex value
+			this.domNode.value = $tw.utils.convertCSSColorToRGBString(this.value);
+		} else {
+			this.domNode.value = this.value;
+		}
 	}
 	// Set the attributes
 	if(this.widget.editType && this.widget.editTag !== "textarea") {
@@ -83,6 +88,9 @@ Update the DomNode with the new text
 */
 SimpleEngine.prototype.updateDomNodeText = function(text) {
 	try {
+		if(this.widget.editType === "color") {
+			text = $tw.utils.convertCSSColorToRGBString(text);
+		}
 		this.domNode.value = text;
 	} catch(e) {
 		// Ignore
@@ -100,13 +108,12 @@ SimpleEngine.prototype.getText = function() {
 Fix the height of textarea to fit content
 */
 SimpleEngine.prototype.fixHeight = function() {
-	// If .editRows is initialised, it takes precedence
-	if((this.widget.editTag === "textarea") && !this.widget.editRows) {
+	if(this.widget.editTag === "textarea") {
 		if(this.widget.editAutoHeight) {
 			if(this.domNode && !this.domNode.isTiddlyWikiFakeDom) {
 				$tw.utils.resizeTextAreaToFit(this.domNode,this.widget.editMinHeight);
 			}
-		} else {
+		} else if(!this.widget.editRows) {
 			var fixedHeight = parseInt(this.widget.wiki.getTiddlerText(HEIGHT_VALUE_TITLE,"400px"),10);
 			fixedHeight = Math.max(fixedHeight,20);
 			this.domNode.style.height = fixedHeight + "px";

core/modules/editor/factory.js

@@ -217,10 +217,11 @@ 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 || changedAttributes.autocomplete || changedTiddlers[HEIGHT_MODE_TITLE] || changedTiddlers[ENABLE_TOOLBAR_TITLE] || changedTiddlers["$:/palette"] || changedAttributes.disabled || changedAttributes.fileDrop) {
+		if(changedAttributes.tiddler || changedAttributes.field || changedAttributes.index || changedAttributes["class"] || changedAttributes.placeholder || changedAttributes.size || changedAttributes.autoHeight || changedAttributes.minHeight || changedAttributes.focusPopup ||  changedAttributes.rows || changedAttributes.tabindex || changedAttributes.cancelPopups || changedAttributes.inputActions || changedAttributes.refreshTitle || changedAttributes.autocomplete || changedTiddlers[HEIGHT_MODE_TITLE] || changedTiddlers[ENABLE_TOOLBAR_TITLE] || changedTiddlers["$:/palette"] || changedAttributes.disabled || changedAttributes.fileDrop) {
 			this.refreshSelf();
 			return true;
-		} else if(changedTiddlers[this.editRefreshTitle]) {
+		} else if(changedAttributes["default"] || changedTiddlers[this.editRefreshTitle]) {
+			this.editDefault = this.getAttribute("default");
 			this.engine.updateDomNodeText(this.getEditInfo().value);
 		} else if(changedTiddlers[this.editTitle]) {
 			var editInfo = this.getEditInfo();

core/modules/filterrunprefixes/intersection.js

@@ -13,14 +13,15 @@ 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();
+			const secondRunResults = operationSubFunction(source,widget),
+				secondRunSet = new Set(secondRunResults),
+				firstRunResults = results.toArray();
 			results.clear();
-			$tw.utils.each(firstRunResults,function(title) {
-				if(secondRunResults.indexOf(title) !== -1) {
+			firstRunResults.forEach((title) => {
+				if(secondRunSet.has(title)) {
 					results.push(title);
 				}
 			});
 		}
 	};
-};
+};

core/modules/filterrunprefixes/sort.js

@@ -13,33 +13,28 @@ Export our filter prefix function
 exports.sort = function(operationSubFunction,options) {
 	return function(results,source,widget) {
 		if(results.length > 0) {
-			var suffixes = options.suffixes,
+			const 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,
+				invert = suffixes[1] ? suffixes[1].includes("reverse") : false,
+				isCaseSensitive = suffixes[1] ? suffixes[1].includes("casesensitive") : false,
 				inputTitles = results.toArray(),
 				sortKeys = [],
-				indexes = new Array(inputTitles.length),
-				compareFn;
-			results.each(function(title) {
-				var key = operationSubFunction(options.wiki.makeTiddlerIterator([title]),widget.makeFakeWidgetWithVariables({
-					"currentTiddler": "" + title,
-					"..currentTiddler": widget.getVariable("currentTiddler",{defaultValue:""})
-				}));
+				compareFn = $tw.utils.makeCompareFunction(sortType,{defaultType: "string", invert:invert, isCaseSensitive:isCaseSensitive});
+			results.each((title) => {
+				const key = operationSubFunction(
+					options.wiki.makeTiddlerIterator([title]),
+					widget.makeFakeWidgetWithVariables({
+						"currentTiddler": "" + title,
+						"..currentTiddler": widget.getVariable("currentTiddler",{defaultValue:""})
+					})
+				);
 				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) {
+			let indexes = Array.from(inputTitles.keys());
+			indexes.sort((a,b) => compareFn(sortKeys[a],sortKeys[b]));
+			indexes.forEach((index) => {
 				results.push(inputTitles[index]);
 			});
 		}

core/modules/filters.js

@@ -146,14 +146,16 @@ exports.parseFilter = function(filterString) {
 		match;
 	var whitespaceRegExp = /(\s+)/mg,
 		// Groups:
-		// 1 - entire filter run prefix
-		// 2 - filter run prefix itself
-		// 3 - filter run prefix suffixes
-		// 4 - opening square bracket following filter run prefix
-		// 5 - double quoted string following filter run prefix
-		// 6 - single quoted string following filter run prefix
-		// 7 - anything except for whitespace and square brackets
-		operandRegExp = /((?:\+|\-|~|(?:=>?)|\:(\w+)(?:\:([\w\:, ]*))?)?)(?:(\[)|(?:"([^"]*)")|(?:'([^']*)')|([^\s\[\]]+))/mg;
+		// 1 - pragma
+		// 2 - pragma suffix
+		// 3 - entire filter run prefix
+		// 4 - filter run prefix name
+		// 5 - filter run prefix suffixes
+		// 6 - opening square bracket following filter run prefix
+		// 7 - double quoted string following filter run prefix
+		// 8 - single quoted string following filter run prefix
+		// 9 - anything except for whitespace and square brackets
+		operandRegExp = /(?:::(\w+)(?:\:(\w+))?(?=\s|$)|((?:\+|\-|~|(?:=>?)|:(\w+)(?:\:([\w\:, ]*))?)?)(?:(\[)|(?:"([^"]*)")|(?:'([^']*)')|([^\s\[\]]+)))/mg;
 	while(p < filterString.length) {
 		// Skip any whitespace
 		whitespaceRegExp.lastIndex = p;
@@ -170,18 +172,23 @@ exports.parseFilter = function(filterString) {
 			};
 			match = operandRegExp.exec(filterString);
 			if(match && match.index === p) {
-				// If there is a filter run prefix
 				if(match[1]) {
-					operation.prefix = match[1];
+					// If there is a filter pragma
+					operation.pragma = match[1];
+					operation.suffix = match[2];
+					p = match.index + match[0].length;
+				} else if(match[3]) {
+					// If there is a filter run prefix
+					operation.prefix = match[3];
 					p = p + operation.prefix.length;
 					// Name for named prefixes
-					if(match[2]) {
-						operation.namedPrefix = match[2];
+					if(match[4]) {
+						operation.namedPrefix = match[4];
 					}
 					// Suffixes for filter run prefix
-					if(match[3]) {
+					if(match[5]) {
 						operation.suffixes = [];
-						$tw.utils.each(match[3].split(":"),function(subsuffix) {
+						$tw.utils.each(match[5].split(":"),function(subsuffix) {
 							operation.suffixes.push([]);
 							$tw.utils.each(subsuffix.split(","),function(entry) {
 								entry = $tw.utils.trim(entry);
@@ -193,7 +200,7 @@ exports.parseFilter = function(filterString) {
 					}
 				}
 				// Opening square bracket
-				if(match[4]) {
+				if(match[6]) {
 					p = parseFilterOperation(operation.operators,filterString,p);
 				} else {
 					p = match.index + match[0].length;
@@ -203,9 +210,9 @@ exports.parseFilter = function(filterString) {
 				p = parseFilterOperation(operation.operators,filterString,p);
 			}
 			// Quoted strings and unquoted title
-			if(match[5] || match[6] || match[7]) { // Double quoted string, single quoted string or unquoted title
+			if(match[7] || match[8] || match[9]) { // Double quoted string, single quoted string or unquoted title
 				operation.operators.push(
-					{operator: "title", operands: [{text: match[5] || match[6] || match[7]}]}
+					{operator: "title", operands: [{text: match[7] || match[8] || match[9]}]}
 				);
 			}
 			results.push(operation);
@@ -230,23 +237,26 @@ exports.getFilterRunPrefixes = function() {
 	return this.filterRunPrefixes;
 };
 
-exports.filterTiddlers = function(filterString,widget,source) {
-	var fn = this.compileFilter(filterString);
+exports.filterTiddlers = function(filterString,widget,source,options) {
+	var fn = this.compileFilter(filterString,options);
 	return fn.call(this,source,widget);
 };
 
 /*
-Compile a filter into a function with the signature fn(source,widget) where:
+Compile a filter into a function with the signature fn(source,widget,options) where:
 source: an iterator function for the source tiddlers, called source(iterator), where iterator is called as iterator(tiddler,title)
 widget: an optional widget node for retrieving the current tiddler etc.
 */
-exports.compileFilter = function(filterString) {
+exports.compileFilter = function(filterString,options) {
+	var defaultFilterRunPrefix = (options || {}).defaultFilterRunPrefix || "or",
+		seenNonPragmaOperation = false;
+	var cacheKey = filterString + "|" + defaultFilterRunPrefix;
 	if(!this.filterCache) {
 		this.filterCache = Object.create(null);
 		this.filterCacheCount = 0;
 	}
-	if(this.filterCache[filterString] !== undefined) {
-		return this.filterCache[filterString];
+	if(this.filterCache[cacheKey] !== undefined) {
+		return this.filterCache[cacheKey];
 	}
 	var filterParseTree;
 	try {
@@ -296,7 +306,7 @@ exports.compileFilter = function(filterString) {
 						var varTree = $tw.utils.parseFilterVariable(operand.text);
 						var resultList = widgetClass.evaluateVariable(widget,varTree.name,{params: varTree.params, source: source});
 						if((resultList.length > 0 && resultList[0] !== undefined) || resultList.length === 0) {
-							operand.multiValue = widgetClass.evaluateVariable(widget,varTree.name,{params: varTree.params, source: source}) || [];
+							operand.multiValue = resultList || [];
 							operand.value = operand.multiValue[0] || "";
 						} else {
 							operand.value = "";
@@ -325,7 +335,8 @@ exports.compileFilter = function(filterString) {
 					regexp: operator.regexp
 				},{
 					wiki: self,
-					widget: widget
+					widget: widget,
+					defaultFilterRunPrefix: defaultFilterRunPrefix
 				});
 				if($tw.utils.isArray(results)) {
 					accumulator = self.makeTiddlerIterator(results);
@@ -346,29 +357,60 @@ exports.compileFilter = function(filterString) {
 		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 filterRunPrefixes["or"](operationSubFunction, options);
-				case "=": // The results of the operation are pushed into the result without deduplication
-					return filterRunPrefixes["all"](operationSubFunction, options);
-				case "-": // The results of this operation are removed from the main result
-					return filterRunPrefixes["except"](operationSubFunction, options);
-				case "+": // This operation is applied to the main results so far
-					return filterRunPrefixes["and"](operationSubFunction, options);
-				case "~": // This operation is unioned into the result only if the main result so far is empty
-					return filterRunPrefixes["else"](operationSubFunction, options);
-				case "=>": // This operation is applied to the main results so far, and the results are assigned to a variable
-					return filterRunPrefixes["let"](operationSubFunction, options);
-				default: 
-					if(operation.namedPrefix && filterRunPrefixes[operation.namedPrefix]) {
-						return filterRunPrefixes[operation.namedPrefix](operationSubFunction, options);
-					} else {
+			if(operation.pragma) {
+				// Pragmas are only allowed at the start of a filter, before any runs
+				if(seenNonPragmaOperation) {
+					return function(results,source,widget) {
+						results.clear();
+						results.push($tw.language.getString("Error/FilterPragmaPosition"));
+					};
+				}
+				switch(operation.pragma) {
+					case "defaultprefix":
+						defaultFilterRunPrefix = operation.suffix || "or";
+						break;
+					default:
 						return function(results,source,widget) {
 							results.clear();
-							results.push($tw.language.getString("Error/FilterRunPrefix"));
+							results.push($tw.language.getString("Error/FilterPragma"));
 						};
-					}
+				}
+				return function(results,source,widget) {
+					// Dummy response
+				};
+			} else {
+				seenNonPragmaOperation = true;
+				var options = {wiki: self, suffixes: operation.suffixes || []};
+				switch(operation.prefix || "") {
+					case "": // Use the default filter run prefix if none is specified
+						if(filterRunPrefixes[defaultFilterRunPrefix]) {
+							return filterRunPrefixes[defaultFilterRunPrefix](operationSubFunction, options);
+						} else {
+							return function(results,source,widget) {
+								results.clear();
+								results.push($tw.language.getString("Error/FilterRunPrefix"));
+							};
+						}
+					case "=": // The results of the operation are pushed into the result without deduplication
+						return filterRunPrefixes["all"](operationSubFunction, options);
+					case "-": // The results of this operation are removed from the main result
+						return filterRunPrefixes["except"](operationSubFunction, options);
+					case "+": // This operation is applied to the main results so far
+						return filterRunPrefixes["and"](operationSubFunction, options);
+					case "~": // This operation is unioned into the result only if the main result so far is empty
+						return filterRunPrefixes["else"](operationSubFunction, options);
+					case "=>": // This operation is applied to the main results so far, and the results are assigned to a variable
+						return filterRunPrefixes["let"](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"));
+							};
+						}
+				}
 			}
 		})());
 	});
@@ -407,7 +449,7 @@ exports.compileFilter = function(filterString) {
 		this.filterCache = Object.create(null);
 		this.filterCacheCount = 0;
 	}
-	this.filterCache[filterString] = fnMeasured;
+	this.filterCache[cacheKey] = fnMeasured;
 	this.filterCacheCount++;
 	return fnMeasured;
 };

core/modules/filters/changecount.js

@@ -0,0 +1,21 @@
+/*\
+title: $:/core/modules/filters/changecount.js
+type: application/javascript
+module-type: filteroperator
+
+Filter operator for retrieving the changecount for each title in the list.
+
+\*/
+
+"use strict";
+
+/*
+Export our filter function
+*/
+exports.changecount = function(source,operator,options) {
+	var results = [];
+	source(function(tiddler,title) {
+		results.push(options.wiki.getChangeCount(title) + "");
+	});
+	return results;
+};

core/modules/filters/colour-ops.js

@@ -0,0 +1,158 @@
+/*\
+title: $:/core/modules/filters/colour-ops.js
+type: application/javascript
+module-type: filteroperator
+
+Filter operators for colour operations
+
+\*/
+
+"use strict";
+
+var Color = require("$:/core/modules/utils/dom/color.js").Color,
+	colourSpacesList = Object.keys(Color.spaces),
+	hueAdjustersList = ["raw","increasing","decreasing","longer","shorter"];
+
+exports["colour-lighten"] = makeSerialColourOperator(function (colour, operator, options) {
+	return colour.lighten($tw.utils.parseNumber(operator.operand)).display().toString();
+});
+
+exports["colour-darken"] = makeSerialColourOperator(function (colour, operator, options) {
+	return colour.darken($tw.utils.parseNumber(operator.operand)).display().toString();
+});
+
+exports["colour-get-oklch"] = makeSerialColourOperator(function (colour, operator, options) {
+	var prop = ((operator.suffixes || [])[0] || ["l"])[0];
+	if(["l","c","h"].indexOf(prop) !== -1) {
+		colour = colour.oklch[prop];
+		// Hue is null for achromatic colours
+		if(colour === null || colour === undefined || Number.isNaN(colour)) {
+			return "";
+		}
+	}
+	return colour.toString();
+});
+
+exports["colour-set-oklch"] = makeSerialColourOperator(function (colour, operator, options) {
+	var prop = ((operator.suffixes || [])[0] || ["l"])[0];
+	if(["l","c","h"].indexOf(prop) !== -1) {
+		colour.oklch[prop] = $tw.utils.parseNumber(operator.operand);
+	}
+	return colour.display().toString();
+});
+
+exports["colour-set-alpha"] = makeSerialColourOperator(function (colour, operator, options) {
+	colour.alpha = $tw.utils.parseNumber(operator.operand);
+	return colour.display().toString();
+});
+
+exports["colour-composite"] = makeSerialColourOperator(function (colour, operator, options) {
+	// Composite each translucent input colour over the backdrop given in the operand
+	var backdrop = $tw.utils.parseCSSColorObject(operator.operand);
+	if(backdrop && colour.alpha < 1) {
+		var alpha = colour.alpha;
+		colour.alpha = 1;
+		colour = backdrop.mix(colour,alpha,{space: "srgb"});
+	}
+	return colour.display().toString();
+});
+
+exports["colour-contrast"] = makeParallelColourOperator(function (colours, operator, options) {
+	var colourContrasts = [];
+	$tw.utils.each(colours,function(colour,index) {
+		if(!colour) {
+			colour = $tw.utils.parseCSSColorObject("white");
+			colours[index] = colour;
+		}
+		if(index > 0) {
+			colourContrasts.push(colour.contrast(colours[index - 1],"DeltaPhi").toString());
+		}
+	});
+	return colourContrasts;
+});
+
+exports["colour-best-contrast"] = makeParallelColourOperator(function (colours, operator, options, originalColours) {
+	var bestContrast = 0,
+		bestColour = null;
+	if(colours.length < 2) {
+		return [];
+	}
+	var targetColour = colours[colours.length - 1];
+	if(!targetColour) {
+		return [];
+	}
+	for(var t=0; t<colours.length; t++) {
+		var colour = colours[t];
+		if(colour) {
+			var contrast = colour.contrast(targetColour,"DeltaPhi");
+			if(contrast > bestContrast) {
+				bestContrast = contrast;
+				bestColour = originalColours[t];
+			}
+		}
+	}
+	if(bestColour) {
+		return [bestColour];
+	} else {
+		return [];
+	}
+});
+
+exports["colour-interpolate"] = function(source,operator,options) {
+	// Get the colour space suffix
+	var space = ((((operator.suffixes || [])[0] || ["srgb"])[0]) || "").toLowerCase();
+	if(colourSpacesList.indexOf(space) === -1) {
+		space = "lch";
+	}
+	// Get the hue adjuster suffix
+	var hueAdjuster = ((((operator.suffixes || [])[1] || ["shorter"])[0]) || "").toLowerCase();
+	if(hueAdjustersList.indexOf(hueAdjuster) === -1) {
+		hueAdjuster = "shorter";
+	}
+	// Get the colours
+	if(operator.operands.length < 2) {
+		return [];
+	}
+	var colourA = $tw.utils.parseCSSColorObject(operator.operands[0]),
+		colourB = $tw.utils.parseCSSColorObject(operator.operands[1]);
+	if(!colourA || !colourB) {
+		return [];
+	}
+	var rangefn = colourA.range(colourB,{space: space, hue: hueAdjuster});
+	// Cycle through the weights
+	var results = [];
+	source(function(tiddler,title) {
+		var index = $tw.utils.parseNumber(title);
+		var colour = rangefn(index);
+		results.push(colour.display().toString());
+	});
+	return results;
+};
+
+function makeSerialColourOperator(fn) {
+	return function (source, operator, options) {
+		var results = [];
+		source(function (tiddler, title) {
+			var c = $tw.utils.parseCSSColorObject(title);
+			if(c) {
+				c = fn(c, operator, options);
+				results.push(c);
+			} else {
+				results.push("");
+			}
+		});
+		return results;
+	};
+}
+
+function makeParallelColourOperator(fn) {
+	return function (source, operator, options) {
+		var originalColours = [],
+			colours = [];
+		source(function (tiddler, title) {
+			originalColours.push(title);
+			colours.push($tw.utils.parseCSSColorObject(title));
+		});
+		return fn(colours, operator, options, originalColours);
+	};
+}

core/modules/filters/filter.js

@@ -13,7 +13,9 @@ Filter operator returning those input titles that pass a subfilter
 Export our filter function
 */
 exports.filter = function(source,operator,options) {
-	var filterFn = options.wiki.compileFilter(operator.operand),
+	var suffixes = operator.suffixes || [],
+		defaultFilterRunPrefix = (suffixes[0] && suffixes[0][0]) || options.defaultFilterRunPrefix || "or",
+		filterFn = options.wiki.compileFilter(operator.operand,{defaultFilterRunPrefix}),
 		results = [],
 		target = operator.prefix !== "!";
 	source(function(tiddler,title) {

core/modules/filters/listops.js

@@ -9,69 +9,56 @@ Filter operators for manipulating the current selection list
 
 "use strict";
 
+/*
+	Fetch titles from the current list
+*/
+const prepare_results = (source) => {
+	const results = [];
+	source((tiddler,title) => results.push(title));
+	return results;
+};
+
 /*
 Order a list
 */
 exports.order = function(source,operator,options) {
-	var results = [];
-	if(operator.operand.toLowerCase() === "reverse") {
-		source(function(tiddler,title) {
-			results.unshift(title);
-		});
-	} else {
-		source(function(tiddler,title) {
-			results.push(title);
-		});
-	}
-	return results;
+	const results = prepare_results(source);
+	return operator.operand.toLowerCase() === "reverse" ?
+		results.reverse() :
+		results;
 };
 
 /*
 Reverse list
 */
 exports.reverse = function(source,operator,options) {
-	var results = [];
-	source(function(tiddler,title) {
-		results.unshift(title);
-	});
-	return results;
+	return prepare_results(source).reverse();
 };
 
 /*
 First entry/entries in list
 */
 exports.first = function(source,operator,options) {
-	var count = $tw.utils.getInt(operator.operand,1),
-		results = [];
-	source(function(tiddler,title) {
-		results.push(title);
-	});
-	return results.slice(0,count);
+	const count = $tw.utils.getInt(operator.operand,1);
+	return prepare_results(source).slice(0,count);
 };
 
 /*
 Last entry/entries in list
 */
 exports.last = function(source,operator,options) {
-	var count = $tw.utils.getInt(operator.operand,1),
-		results = [];
-	if(count === 0) return results;
-	source(function(tiddler,title) {
-		results.push(title);
-	});
-	return results.slice(-count);
+	const count = $tw.utils.getInt(operator.operand,1);
+	return count === 0 ?
+		[] :
+		prepare_results(source).slice(-count);
 };
 
 /*
 All but the first entry/entries of the list
 */
 exports.rest = function(source,operator,options) {
-	var count = $tw.utils.getInt(operator.operand,1),
-		results = [];
-	source(function(tiddler,title) {
-		results.push(title);
-	});
-	return results.slice(count);
+	const count = $tw.utils.getInt(operator.operand,1);
+	return prepare_results(source).slice(count);
 };
 exports.butfirst = exports.rest;
 exports.bf = exports.rest;
@@ -80,12 +67,9 @@ exports.bf = exports.rest;
 All but the last entry/entries of the list
 */
 exports.butlast = function(source,operator,options) {
-	var count = $tw.utils.getInt(operator.operand,1),
-		results = [];
-	source(function(tiddler,title) {
-		results.push(title);
-	});
-	var index = count === 0 ? results.length : -count;
+	const count = $tw.utils.getInt(operator.operand,1),
+		results = prepare_results(source),
+		index = count === 0 ? results.length : -count;
 	return results.slice(0,index);
 };
 exports.bl = exports.butlast;
@@ -94,22 +78,14 @@ exports.bl = exports.butlast;
 The nth member of the list
 */
 exports.nth = function(source,operator,options) {
-	var count = $tw.utils.getInt(operator.operand,1),
-		results = [];
-	source(function(tiddler,title) {
-		results.push(title);
-	});
-	return results.slice(count - 1,count);
+	const count = $tw.utils.getInt(operator.operand,1);
+	return prepare_results(source).slice(count - 1,count);
 };
 
 /*
 The zero based nth member of the list
 */
 exports.zth = function(source,operator,options) {
-	var count = $tw.utils.getInt(operator.operand,0),
-		results = [];
-	source(function(tiddler,title) {
-		results.push(title);
-	});
-	return results.slice(count,count + 1);
-};
+	const count = $tw.utils.getInt(operator.operand,0);
+	return prepare_results(source).slice(count,count + 1);
+};

core/modules/filters/prefix.js

@@ -13,37 +13,22 @@ Filter operator for checking if a title starts with a prefix
 Export our filter function
 */
 exports.prefix = function(source,operator,options) {
-	var results = [],
-		suffixes = (operator.suffixes || [])[0] || [];
-	if(suffixes.indexOf("caseinsensitive") !== -1) {
-		var operand = operator.operand.toLowerCase();
-		if(operator.prefix === "!") {
-			source(function(tiddler,title) {
-				if(title.toLowerCase().substr(0,operand.length) !== operand) {
-					results.push(title);
-				}
-			});
-		} else {
-			source(function(tiddler,title) {
-				if(title.toLowerCase().substr(0,operand.length) === operand) {
-					results.push(title);
-				}
-			});
+	const results = [],
+		suffixes = (operator.suffixes || [])[0] || [],
+		caseInsensitive = suffixes.includes("caseinsensitive"),
+		negate = operator.prefix === "!";
+
+	const operand = caseInsensitive ?
+		operator.operand.toLowerCase() :
+		operator.operand;
+
+	source((tiddler,title) => {
+		const value = caseInsensitive ? title.toLowerCase() : title,
+			matches = value.startsWith(operand);
+		if(negate ? !matches : matches) {
+			results.push(title);
 		}
-	} else {
-		if(operator.prefix === "!") {
-			source(function(tiddler,title) {
-				if(title.substr(0,operator.operand.length) !== operator.operand) {
-					results.push(title);
-				}
-			});
-		} else {
-			source(function(tiddler,title) {
-				if(title.substr(0,operator.operand.length) === operator.operand) {
-					results.push(title);
-				}
-			});
-		}
-	}
+	});
+
 	return results;
-};
+};

core/modules/filters/sortsub.js

@@ -14,13 +14,13 @@ Export our filter function
 */
 exports.sortsub = function(source,operator,options) {
 	// Compile the subfilter
-	var filterFn = options.wiki.compileFilter(operator.operand);
+	let filterFn = options.wiki.compileFilter(operator.operand);
 	// Collect the input titles and the corresponding sort keys
-	var inputTitles = [],
+	let inputTitles = [],
 		sortKeys = [];
 	source(function(tiddler,title) {
 		inputTitles.push(title);
-		var r = filterFn.call(options.wiki,function(iterator) {
+		let r = filterFn.call(options.wiki,function(iterator) {
 			iterator(options.wiki.getTiddler(title),title);
 		},options.widget.makeFakeWidgetWithVariables({
 			"currentTiddler": "" + title,
@@ -29,17 +29,12 @@ exports.sortsub = function(source,operator,options) {
 		sortKeys.push(r[0] || "");
 	});
 	// Rather than sorting the titles array, we'll sort the indexes so that we can consult both arrays
-	var indexes = new Array(inputTitles.length);
-	for(var t=0; t<inputTitles.length; t++) {
-		indexes[t] = t;
-	}
+	let indexes = Array.from(inputTitles.keys());
 	// Sort the indexes
-	var compareFn = $tw.utils.makeCompareFunction(operator.suffix,{defaultType: "string",invert: operator.prefix === "!"});
-	indexes = indexes.sort(function(a,b) {
-		return compareFn(sortKeys[a],sortKeys[b]);
-	});
+	let compareFn = $tw.utils.makeCompareFunction(operator.suffix,{defaultType: "string",invert: operator.prefix === "!"});
+	indexes = indexes.sort((a,b) => compareFn(sortKeys[a],sortKeys[b]));
 	// Make the results array in order
-	var results = [];
+	let results = [];
 	$tw.utils.each(indexes,function(index) {
 		results.push(inputTitles[index]);
 	});

core/modules/filters/strings.js

@@ -91,22 +91,35 @@ function diffLineWordMode(text1,text2,mode) {
 	return diffs;
 }
 
-exports.makepatches = function(source,operator,options) {
-	var suffix = operator.suffix || "",
-		result = [];
-		
-	source(function(tiddler,title) {
-		let diffs, patches;
-		if(suffix === "lines" || suffix === "words") {
-			diffs = diffLineWordMode(title,operator.operand,suffix);
-			patches = dmp.patchMake(title,diffs);
+exports.makepatches = function(source, operator, options) {
+	const suffixes = operator.suffixes || [],
+		[modeArg = [], formatArg = []] = suffixes,
+		modeSuffix = modeArg[0] || operator.suffix || "",
+		mode = ["lines", "words"].includes(modeSuffix) ? modeSuffix : "",
+		isJson = formatArg[0] === "json",
+		results = [];
+
+	source((tiddler, title) => {
+		if (isJson) {
+			const diffs = (mode === "lines" || mode === "words") 
+				? diffLineWordMode(title, operator.operand, mode) 
+				: dmp.diffMain(title, operator.operand);
+
+			const jsonOutput = diffs.map(([typeCode, text]) => ({
+				type: typeCode === 1 ? "insert" : (typeCode === -1 ? "delete" : "equal"),
+				text
+			}));
+			results.push(JSON.stringify(jsonOutput));
 		} else {
-			patches = dmp.patchMake(title,operator.operand);
+			const patches = (mode === "lines" || mode === "words") 
+				? dmp.patchMake(title, diffLineWordMode(title, operator.operand, mode)) 
+				: dmp.patchMake(title, operator.operand);
+			
+			results.push(dmp.patchToText(patches));
 		}
-		Array.prototype.push.apply(result,[dmp.patchToText(patches)]);
 	});
 
-	return result;
+	return results;
 };
 
 exports.applypatches = makeStringBinaryOperator(
@@ -235,4 +248,4 @@ exports.charcode = function(source,operator,options) {
 		}
 	});
 	return [chars.join("")];
-};
+};

core/modules/filters/subfilter.js

@@ -13,11 +13,14 @@ Filter operator returning its operand evaluated as a filter
 Export our filter function
 */
 exports.subfilter = function(source,operator,options) {
-	var list = options.wiki.filterTiddlers(operator.operand,options.widget,source);
+	var suffixes = operator.suffixes || [],
+		defaultFilterRunPrefix = (suffixes[0] && suffixes[0][0]) || options.defaultFilterRunPrefix || "or";
+	var list = options.wiki.filterTiddlers(operator.operand,options.widget,source,{defaultFilterRunPrefix});
 	if(operator.prefix === "!") {
-		var results = [];
-		source(function(tiddler,title) {
-			if(list.indexOf(title) === -1) {
+		const results = [],
+			listSet = new Set(list);
+		source((tiddler,title) => {
+			if(!listSet.has(title)) {
 				results.push(title);
 			}
 		});

core/modules/filters/suffix.js

@@ -13,41 +13,27 @@ Filter operator for checking if a title ends with a suffix
 Export our filter function
 */
 exports.suffix = function(source,operator,options) {
-	var results = [],
+	const results = [],
 		suffixes = (operator.suffixes || [])[0] || [];
+
 	if(!operator.operand) {
-		source(function(tiddler,title) {
+		source((tiddler,title) => {
 			results.push(title);
 		});
-	} else if(suffixes.indexOf("caseinsensitive") !== -1) {
-		var operand = operator.operand.toLowerCase();
-		if(operator.prefix === "!") {
-			source(function(tiddler,title) {
-				if(title.toLowerCase().substr(-operand.length) !== operand) {
-					results.push(title);
-				}
-			});
-		} else {
-			source(function(tiddler,title) {
-				if(title.toLowerCase().substr(-operand.length) === operand) {
-					results.push(title);
-				}
-			});
-		}
-	} else {
-		if(operator.prefix === "!") {
-			source(function(tiddler,title) {
-				if(title.substr(-operator.operand.length) !== operator.operand) {
-					results.push(title);
-				}
-			});
-		} else {
-			source(function(tiddler,title) {
-				if(title.substr(-operator.operand.length) === operator.operand) {
-					results.push(title);
-				}
-			});
-		}
+		return results;
 	}
+
+	const caseInsensitive = suffixes.indexOf("caseinsensitive") !== -1,
+		negate = operator.prefix === "!",
+		operand = caseInsensitive ? operator.operand.toLowerCase() : operator.operand;
+
+	source((tiddler,title) => {
+		const value = caseInsensitive ? title.toLowerCase() : title,
+			matches = value.endsWith(operand);
+		if(negate ? !matches : matches) {
+			results.push(title);
+		}
+	});
+
 	return results;
 };

core/modules/filters/tag.js

@@ -22,12 +22,11 @@ exports.tag = function(source,operator,options) {
 		});
 	} else {
 		// Old semantics:
-		var tiddlers;
 		if(operator.prefix === "!") {
 			// Returns a copy of the input if operator.operand is missing
-			tiddlers = options.wiki.getTiddlersWithTag(operator.operand);
+			const excludeTagSet = new Set(options.wiki.getTiddlersWithTag(operator.operand));
 			source(function(tiddler,title) {
-				if(tiddlers.indexOf(title) === -1) {
+				if(!excludeTagSet.has(title)) {
 					results.push(title);
 				}
 			});
@@ -39,9 +38,9 @@ exports.tag = function(source,operator,options) {
 					return indexedResults;
 				}
 			} else {
-				tiddlers = options.wiki.getTiddlersWithTag(operator.operand);
+				const includeTagSet = new Set(options.wiki.getTiddlersWithTag(operator.operand));
 				source(function(tiddler,title) {
-					if(tiddlers.indexOf(title) !== -1) {
+					if(includeTagSet.has(title)) {
 						results.push(title);
 					}
 				});

core/modules/filters/x-listops.js

@@ -11,20 +11,18 @@ Extended filter operators to manipulate the current list.
 
 /*
 	Fetch titles from the current list
-	*/
-var prepare_results = function (source) {
-	var results = [];
-	source(function (tiddler, title) {
-		results.push(title);
-	});
+*/
+const prepare_results = (source) => {
+	const results = [];
+	source((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),
+*/
+exports.putbefore = function(source,operator) {
+	const results = prepare_results(source),
 		index = results.indexOf(operator.operand),
 		count = $tw.utils.getInt(operator.suffix,1);
 	return (index === -1) ?
@@ -34,9 +32,9 @@ exports.putbefore = function (source, operator) {
 
 /*
 	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),
+*/
+exports.putafter = function(source,operator) {
+	const results = prepare_results(source),
 		index = results.indexOf(operator.operand),
 		count = $tw.utils.getInt(operator.suffix,1);
 	return (index === -1) ?
@@ -46,9 +44,9 @@ exports.putafter = function (source, operator) {
 
 /*
 	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),
+*/
+exports.replace = function(source,operator) {
+	const results = prepare_results(source),
 		index = results.indexOf(operator.operand),
 		count = $tw.utils.getInt(operator.suffix,1);
 	return (index === -1) ?
@@ -58,39 +56,39 @@ exports.replace = function (source, operator) {
 
 /*
 	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),
+*/
+exports.putfirst = function(source,operator) {
+	const results = prepare_results(source),
 		count = $tw.utils.getInt(operator.suffix,1);
-	return results.slice(-count).concat(results.slice(0, -count));
+	return [...results.slice(-count), ...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),
+*/
+exports.putlast = function(source,operator) {
+	const results = prepare_results(source),
 		count = $tw.utils.getInt(operator.suffix,1);
-	return results.slice(count).concat(results.slice(0, count));
+	return [...results.slice(count), ...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),
+*/
+exports.move = function(source,operator) {
+	const 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;
+		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),
+*/
+exports.allafter = function(source,operator) {
+	const results = prepare_results(source),
 		index = results.indexOf(operator.operand);
 	return (index === -1) ? [] :
 		(operator.suffix) ? results.slice(index) :
@@ -99,9 +97,9 @@ exports.allafter = function (source, operator) {
 
 /*
 	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),
+*/
+exports.allbefore = function(source,operator) {
+	const results = prepare_results(source),
 		index = results.indexOf(operator.operand);
 	return (index === -1) ? [] :
 		(operator.suffix) ? results.slice(0, index + 1) :
@@ -110,9 +108,9 @@ exports.allbefore = function (source, operator) {
 
 /*
 	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"),
+*/
+exports.append = function(source,operator) {
+	const append = $tw.utils.parseStringArray(operator.operand,"true"),
 		results = prepare_results(source),
 		count = parseInt(operator.suffix) || append.length;
 	return (append.length === 0) ? results :
@@ -122,9 +120,9 @@ exports.append = function (source, operator) {
 
 /*
 	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"),
+*/
+exports.prepend = function(source,operator) {
+	const prepend = $tw.utils.parseStringArray(operator.operand,"true"),
 		results = prepare_results(source),
 		count = $tw.utils.getInt(operator.suffix,prepend.length);
 	return (prepend.length === 0) ? results :
@@ -134,21 +132,19 @@ exports.prepend = function (source, operator) {
 
 /*
 	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]);
-		}
+*/
+exports.remove = function(source, operator) {
+	const array = $tw.utils.parseStringArray(operator.operand, "true"),
+		results = prepare_results(source);
+
+	if(array.length === 0) {
+		return results;
+	}
+	const count = parseInt(operator.suffix, 10) || array.length,
+		targetItems = operator.prefix ? array.slice(-count).reverse() : array.slice(0, count);
+
+	for(const item of targetItems) {
+		const index = results.indexOf(item);
 		if(index !== -1) {
 			results.splice(index, 1);
 		}
@@ -158,40 +154,32 @@ exports.remove = function (source, operator) {
 
 /*
 	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);
+*/
+exports.sortby = function(source,operator) {
+	const 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;
+	const lookup = $tw.utils.parseStringArray(operator.operand,"true");
+	return results.sort((a,b) => lookup.indexOf(a) - lookup.indexOf(b));
 };
 
+
 /*
 	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;
+*/
+exports.unique = function(source, operator) {
+	return Array.from(new Set(prepare_results(source)));
 };
 
-var cycleValueInArray = function(results,operands,stepSize) {
-	var resultsIndex,
+const cycleValueInArray = function(results,operands,stepSize) {
+	let resultsIndex,
 		step = stepSize || 1,
 		i = 0,
-		opLength = operands.length,
 		nextOperandIndex;
-	for(i; i < opLength; i++) {
+	const opLength = operands.length;
+
+	for(; i < opLength; i++) {
 		resultsIndex = results.indexOf(operands[i]);
 		if(resultsIndex !== -1) {
 			break;
@@ -213,18 +201,19 @@ var cycleValueInArray = function(results,operands,stepSize) {
 
 /*
 	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);
+	const results = prepare_results(source),
+		operands = operator.operand.length ? $tw.utils.parseStringArray(operator.operand,"true") : [""];
+	let step = $tw.utils.getInt(operator.operands[1] || "",1);
+
 	if(step < 0) {
 		operands.reverse();
 		step = Math.abs(step);
 	}
 	return cycleValueInArray(results,operands,step);
-};
+};

core/modules/indexers/back-indexer.js

@@ -88,10 +88,11 @@ BackSubIndexer.prototype.update = function(updateDescriptor) {
 	var newTargets = [],
 		oldTargets = [],
 		self = this;
-	if(updateDescriptor.old.exists) {
+	// System tiddlers are never indexed as sources, matching the _init() scan
+	if(updateDescriptor.old.exists && !this.wiki.isSystemTiddler(updateDescriptor.old.tiddler.fields.title)) {
 		oldTargets = this._getTarget(updateDescriptor.old.tiddler);
 	}
-	if(updateDescriptor.new.exists) {
+	if(updateDescriptor.new.exists && !this.wiki.isSystemTiddler(updateDescriptor.new.tiddler.fields.title)) {
 		newTargets = this._getTarget(updateDescriptor.new.tiddler);
 	}
 

core/modules/macros/contrastcolour.js

@@ -26,25 +26,26 @@ exports.params = [
 Run the macro
 */
 exports.run = function(target,fallbackTarget,colourA,colourB) {
-	var rgbTarget = $tw.utils.parseCSSColor(target) || $tw.utils.parseCSSColor(fallbackTarget);
+	var rgbTarget = $tw.utils.parseCSSColorObject(target) || $tw.utils.parseCSSColorObject(fallbackTarget);
 	if(!rgbTarget) {
 		return colourA;
 	}
-	var rgbColourA = $tw.utils.parseCSSColor(colourA),
-		rgbColourB = $tw.utils.parseCSSColor(colourB);
+	var rgbColourA = $tw.utils.parseCSSColorObject(colourA),
+		rgbColourB = $tw.utils.parseCSSColorObject(colourB);
 	if(rgbColourA && !rgbColourB) {
-		return rgbColourA;
+		return colourA;
 	}
 	if(rgbColourB && !rgbColourA) {
-		return rgbColourB;
+		return colourB;
 	}
 	if(!rgbColourA && !rgbColourB) {
 		// If neither colour is readable, return a crude inverse of the target
-		return [255 - rgbTarget[0],255 - rgbTarget[1],255 - rgbTarget[2],rgbTarget[3]];
+		rgbTarget.srgb.r = 1 - rgbTarget.srgb.r;
+		rgbTarget.srgb.g = 1 - rgbTarget.srgb.g;
+		rgbTarget.srgb.b = 1 - rgbTarget.srgb.b;
+		return rgbTarget.display();
 	}
-	// Colour brightness formula derived from http://www.w3.org/WAI/ER/WD-AERT/#color-contrast
-	var brightnessTarget = rgbTarget[0] * 0.299 + rgbTarget[1] * 0.587 + rgbTarget[2] * 0.114,
-		brightnessA = rgbColourA[0] * 0.299 + rgbColourA[1] * 0.587 + rgbColourA[2] * 0.114,
-		brightnessB = rgbColourB[0] * 0.299 + rgbColourB[1] * 0.587 + rgbColourB[2] * 0.114;
-	return Math.abs(brightnessTarget - brightnessA) > Math.abs(brightnessTarget - brightnessB) ? colourA : colourB;
+	var aContrast = rgbColourA.contrast(rgbTarget,"DeltaPhi"),
+		bContrast = rgbColourB.contrast(rgbTarget,"DeltaPhi");
+	return aContrast > bContrast ? colourA : colourB;
 };

core/modules/parsers/parseutils.js

@@ -326,7 +326,8 @@ exports.parseMacroParameterAsAttribute = function(source,pos) {
 	};
 	// Define our regexps
 	var reAttributeName = /([^\/\s>"'`=:]+)/y,
-		reUnquotedAttribute = /((?:(?:>(?!>))|[^\s>"'])+)/y,
+		reStrictIdentifier = /^[A-Za-z0-9\-_]+$/,
+		reUnquotedAttribute = /(?!<<)((?:(?:>(?!>))|[^\s>"'])+)/y,
 		reFilteredValue = /\{\{\{([\S\s]+?)\}\}\}/y,
 		reIndirectValue = /\{\{([^\}]+)\}\}/y,
 		reSubstitutedValue = /(?:```([\s\S]*?)```|`([^`]|[\S\s]*?)`)/y;
@@ -337,6 +338,11 @@ exports.parseMacroParameterAsAttribute = function(source,pos) {
 		namePos = nameToken && $tw.utils.skipWhiteSpace(source,nameToken.end),
 		separatorToken = nameToken && $tw.utils.parseTokenRegExp(source,namePos,/=|:/y),
 		isNewStyleSeparator = false; // If there is no separator then we don't allow new style values
+	// Colon separator requires a strict identifier name to avoid mis-parsing values like $:/foo
+	if(nameToken && separatorToken && separatorToken.match[0] === ":" && !reStrictIdentifier.test(nameToken.match[1])) {
+		nameToken = null;
+		separatorToken = null;
+	}
 	// If we have a name and a separator then we have a named attribute
 	if(nameToken && separatorToken) {
 		node.name = nameToken.match[1];
@@ -522,64 +528,79 @@ exports.parseAttribute = function(source,pos) {
 		pos = token.end;
 		// Skip whitespace
 		pos = $tw.utils.skipWhiteSpace(source,pos);
-		// Look for a string literal
-		var stringLiteral = $tw.utils.parseStringLiteral(source,pos);
-		if(stringLiteral) {
-			pos = stringLiteral.end;
-			node.type = "string";
-			node.value = stringLiteral.value;
-		} else {
+		do {
+			// Look for a string literal
+			var stringLiteral = $tw.utils.parseStringLiteral(source,pos);
+			if(stringLiteral) {
+				pos = stringLiteral.end;
+				node.type = "string";
+				node.value = stringLiteral.value;
+				break;
+			}
+
 			// Look for a filtered value
 			var filteredValue = $tw.utils.parseTokenRegExp(source,pos,reFilteredValue);
 			if(filteredValue) {
 				pos = filteredValue.end;
 				node.type = "filtered";
 				node.filter = filteredValue.match[1];
-			} else {
-				// Look for an indirect value
-				var indirectValue = $tw.utils.parseTokenRegExp(source,pos,reIndirectValue);
-				if(indirectValue) {
-					pos = indirectValue.end;
-					node.type = "indirect";
-					node.textReference = indirectValue.match[1];
-				} else {
-					// Look for a macro invocation value
-					var macroInvocation = $tw.utils.parseMacroInvocationAsTransclusion(source,pos);
-					if(macroInvocation) {
-						pos = macroInvocation.end;
-						node.type = "macro";
-						node.value = macroInvocation;
-					} else {
-						// Look for an MVV reference value
-						var mvvReference = $tw.utils.parseMVVReferenceAsTransclusion(source,pos);
-						if(mvvReference) {
-							pos = mvvReference.end;
-							node.type = "macro";
-							node.value = mvvReference;
-							node.isMVV = true;
-						} else {
-							var substitutedValue = $tw.utils.parseTokenRegExp(source,pos,reSubstitutedValue);
-							if(substitutedValue) {
-								pos = substitutedValue.end;
-								node.type = "substituted";
-								node.rawValue = substitutedValue.match[1] || substitutedValue.match[2];
-							} else {
-								// Look for a unquoted value
-								var unquotedValue = $tw.utils.parseTokenRegExp(source,pos,reUnquotedAttribute);
-								if(unquotedValue) {
-									pos = unquotedValue.end;
-									node.type = "string";
-									node.value = unquotedValue.match[1];
-								} else {
-									node.type = "string";
-									node.value = "true";
-								}
-							}
-						}
-					}
-				}
+				break;
 			}
-		}
+
+			// Look for an indirect value
+			var indirectValue = $tw.utils.parseTokenRegExp(source,pos,reIndirectValue);
+			if(indirectValue) {
+				pos = indirectValue.end;
+				node.type = "indirect";
+				node.textReference = indirectValue.match[1];
+				break;
+			}
+
+			// Look for a macro invocation value
+			var macroInvocation = $tw.utils.parseMacroInvocationAsTransclusion(source,pos);
+			if(macroInvocation) {
+				pos = macroInvocation.end;
+				node.type = "macro";
+				node.value = macroInvocation;
+				break;
+			}
+
+			// Look for an MVV reference value
+			var mvvReference = $tw.utils.parseMVVReferenceAsTransclusion(source,pos);
+			if(mvvReference) {
+				pos = mvvReference.end;
+				node.type = "macro";
+				node.value = mvvReference;
+				node.isMVV = true;
+				break;
+			}
+
+			// Look for a substituted value
+			var substitutedValue = $tw.utils.parseTokenRegExp(source,pos,reSubstitutedValue);
+			if(substitutedValue) {
+				pos = substitutedValue.end;
+				node.type = "substituted";
+				node.rawValue = substitutedValue.match[1] || substitutedValue.match[2];
+				break;
+			}
+
+			// Look for a unquoted value
+			var unquotedValue = $tw.utils.parseTokenRegExp(source,pos,reUnquotedAttribute);
+			if(unquotedValue) {
+				pos = unquotedValue.end;
+				node.type = "string";
+				node.value = unquotedValue.match[1];
+				break;
+			}
+
+			if(source.charAt(pos) === "<" && source.charAt(pos + 1) === "<" && source.indexOf(">>",pos) !== -1) {
+				// Value looks like a macro invocation (starts with << with a closing >> ahead) but does not parse as one. Return null so the enclosing tag fails to parse rather than silently binding the attribute to "true" and treating the remainder as further attributes (restores v5.3.8 behaviour)
+				return null;
+			}
+
+			node.type = "string";
+			node.value = "true";
+		} while(false);
 	} else {
 		// If there is no equals sign or colon, then this is an attribute with no value, defaulting to "true"
 		node.type = "string";

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

@@ -25,7 +25,7 @@ exports.init = function(parser) {
 };
 
 exports.parse = function() {
-	var reEnd = /(\r?\n```$)/mg;
+	var reEnd = /(^|\r?\n)```$/mg;
 	var languageStart = this.parser.pos + 3,
 		languageEnd = languageStart + this.match[1].length;
 	// Move past the match

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

@@ -31,13 +31,16 @@ exports.parse = function() {
 	reEnd.lastIndex = this.parser.pos;
 	var match = reEnd.exec(this.parser.source),
 		text,
-		start = this.parser.pos;
+		start = this.parser.pos,
+		textEnd;
 	// Process the text
 	if(match) {
 		text = this.parser.source.substring(this.parser.pos,match.index);
+		textEnd = match.index;
 		this.parser.pos = match.index + match[0].length;
 	} else {
 		text = this.parser.source.substr(this.parser.pos);
+		textEnd = this.parser.sourceLength;
 		this.parser.pos = this.parser.sourceLength;
 	}
 	return [{
@@ -47,7 +50,7 @@ exports.parse = function() {
 			type: "text",
 			text: text,
 			start: start,
-			end: this.parser.pos
+			end: textEnd
 		}]
 	}];
 };

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

@@ -32,7 +32,8 @@ exports.parse = function() {
 	this.parser.pos = this.matchRegExp.lastIndex;
 	// Create the link unless it is suppressed
 	if(this.match[0].substr(0,1) === "~") {
-		return [{type: "text", text: this.match[0].substr(1), start: start, end: this.parser.pos}];
+		// Start after the suppressing "~" so the span matches the plain text
+		return [{type: "text", text: this.match[0].substr(1), start: start + 1, end: this.parser.pos}];
 	} else {
 		return [{
 			type: "element",

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

@@ -34,7 +34,7 @@ exports.parse = function() {
 	// Parse the filter terminated by a line break
 	var reMatch = /(.*)(?:$|\r?\n)/mg;
 	reMatch.lastIndex = this.parser.pos;
-	var filterStart = this.parser.source;
+	var filterStart = this.parser.pos;
 	var match = reMatch.exec(this.parser.source);
 	this.parser.pos = reMatch.lastIndex;
 	// Parse tree nodes to return

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

@@ -27,9 +27,11 @@ Parse the most recent match
 */
 exports.parse = function() {
 	// Get the details of the match
-	var linkText = this.match[0];
+	var linkText = this.match[0],
+		// Start after the suppressing "~" so the span matches the plain text
+		start = this.parser.pos + 1;
 	// Move past the wikilink
 	this.parser.pos = this.matchRegExp.lastIndex;
 	// Return the link without unwikilink character as plain text
-	return [{type: "text", text: linkText.substr(1)}];
+	return [{type: "text", text: linkText.substr(1), start: start, end: this.parser.pos}];
 };

core/modules/startup/load-modules.js

@@ -40,6 +40,8 @@ exports.startup = function() {
 	// The rest of the startup process here is not strictly to do with loading modules, but are needed before other startup
 	// modules are executed. It is easier to put them here than to introduce a new startup module
 	// --------------------------
+	// Set up the performance framework
+	$tw.perf = new $tw.Performance($tw.wiki.getTiddlerText(PERFORMANCE_INSTRUMENTATION_CONFIG_TITLE,"no") === "yes");
 	// Create a root widget for attaching event handlers. By using it as the parentWidget for another widget tree, one can reuse the event handlers
 	$tw.rootWidget = new widget.widget({
 		type: "widget",
@@ -48,8 +50,6 @@ exports.startup = function() {
 		wiki: $tw.wiki,
 		document: $tw.browser ? document : $tw.fakeDocument
 	});
-	// Set up the performance framework
-	$tw.perf = new $tw.Performance($tw.wiki.getTiddlerText(PERFORMANCE_INSTRUMENTATION_CONFIG_TITLE,"no") === "yes");
 	// Kick off the filter tracker
 	$tw.filterTracker = new $tw.FilterTracker($tw.wiki);
 	$tw.wiki.addEventListener("change",function(changes) {

core/modules/utils/csv.js

@@ -15,7 +15,8 @@ var getCellInfo = function(text, start, length, SEPARATOR) {
 	var isCellQuoted = text.charAt(start) === QUOTE;
 	var cellStart = isCellQuoted ? start + 1 : start;
 	
-	if(text.charAt(i) === SEPARATOR) {
+	// A quote licenses a separator inside the cell, so only an unquoted cell reads an immediate separator as empty
+	if(!isCellQuoted && text.charAt(cellStart) === SEPARATOR) {
 		return [cellStart, cellStart, false];
 	}
 	

core/modules/utils/deprecated.js

@@ -3,18 +3,43 @@ title: $:/core/modules/utils/deprecated.js
 type: application/javascript
 module-type: utils
 
-Deprecated util functions
+Deprecated util functions. These preserve the pre-5.4.0 signatures and
+behaviour for backwards compatibility with plugins and external scripts.
+Prefer modern alternatives in new code (Array.prototype methods, classList,
+Math.sign, String.prototype.repeat, etc.).
 
 \*/
 
 exports.logTable = (data) => console.table(data);
 
-exports.repeat = (str,count) => str.repeat(count);
+/*
+Repeats a string
+*/
+exports.repeat = function(str,count) {
+	var result = "";
+	for(var t=0;t<count;t++) {
+		result += str;
+	}
+	return result;
+};
 
-exports.startsWith = (str,search) => str.startsWith(search);
+/*
+Check if a string starts with another string
+*/
+exports.startsWith = function(str,search) {
+	return str.substring(0, search.length) === search;
+};
 
-exports.endsWith = (str,search) => str.endsWith(search);
+/*
+Check if a string ends with another string
+*/
+exports.endsWith = function(str,search) {
+	return str.substring(str.length - search.length) === search;
+};
 
+/*
+Trim whitespace from the start and end of a string
+*/
 exports.trim = function(str) {
 	if(typeof str === "string") {
 		return str.trim();
@@ -29,30 +54,54 @@ exports.sign = Math.sign;
 
 exports.strEndsWith = (str,ending,position) => str.endsWith(ending,position);
 
-exports.stringifyNumber = (num) => num.toString();
+exports.stringifyNumber = function(num) {
+	return num + "";
+};
 
+// Returns the fully escaped CSS selector for a tag, e.g.
+// "$:/tags/Stylesheet" -> "tc-tagged-\%24\%3A\%2Ftags\%2FStylesheet" 
 exports.tagToCssSelector = function(tagName) {
 	return "tc-tagged-" + encodeURIComponent(tagName).replace(/[!"#$%&'()*+,\-./:;<=>?@[\\\]^`{\|}~,]/mg,function(c) {
 		return "\\" + c;
 	});
 };
 
-exports.domContains = (a,b) => a.compareDocumentPosition(b) & 16;
+/*
+Determines whether element 'a' contains element 'b'.
+Returns false when a === b (matches the original John Resig semantics).
+*/
+exports.domContains = function(a,b) {
+	return a !== b && a.contains(b);
+};
 
 exports.domMatchesSelector = (node,selector) => node.matches(selector);
 
-exports.hasClass = (el,className) => el.classList && el.classList.contains(className);
+exports.hasClass = function(el,className) {
+	return !!(el && el.classList && el.classList.contains(className));
+};
+
+// addClass/removeClass/toggleClass split on whitespace to preserve the
+// original setAttribute("class", ...) acceptance of "foo bar" as two
+// classes. Regressed in #9251.
+function splitClasses(className) {
+	return (typeof className === "string" && className.match(/\S+/g)) || [];
+}
 
 exports.addClass = function(el,className) {
-	el.classList && className && el.classList.add(className);
+	if(!el.classList) return;
+	splitClasses(className).forEach(function(c) { el.classList.add(c); });
 };
 
 exports.removeClass = function(el,className) {
-	el.classList && className && el.classList.remove(className);
+	if(!el.classList) return;
+	splitClasses(className).forEach(function(c) { el.classList.remove(c); });
 };
 
 exports.toggleClass = function(el,className,status) {
-	el.classList && className && el.classList.toggle(className, status);
+	if(!el.classList) return;
+	splitClasses(className).forEach(function(c) { el.classList.toggle(c,status); });
 };
 
-exports.getLocationPath = () => window.location.origin + window.location.pathname;
+exports.getLocationPath = function() {
+	return window.location.toString().split("#")[0];
+};

core/modules/utils/dom/color-utils.js

@@ -0,0 +1,62 @@
+/*\
+title: $:/core/modules/utils/color-utils.js
+type: application/javascript
+module-type: utils
+
+Color.js related utilities
+
+\*/
+
+"use strict";
+
+var Color = require("$:/core/modules/utils/dom/color.js").Color;
+
+/*
+For backwards compatibility
+*/
+exports.parseCSSColor = function(colourString) {
+	var c = exports.parseCSSColorObject(colourString);
+	if(c) {
+		var rgb = c.srgb;
+		// Return components in the 0-255 range, matching the legacy csscolorparser.
+		// Clamp because Color.js can emit out-of-gamut sRGB components (e.g. from P3 inputs).
+		return [
+			Math.round(Math.max(0,Math.min(255,rgb[0] * 255))),
+			Math.round(Math.max(0,Math.min(255,rgb[1] * 255))),
+			Math.round(Math.max(0,Math.min(255,rgb[2] * 255))),
+			c.alpha
+		];
+	} else {
+		return null;
+	}
+};
+
+
+/*
+Preferred way to parse a Color.js colour
+*/
+exports.parseCSSColorObject = function(colourString) {
+	var c = null;
+	try {
+		c = new Color(colourString);
+	} catch(e) {
+		// Return null if there is an error
+	}
+	return c;
+};
+
+/*
+Convert a CSS colour to an RGB string suitable for use with the <input type="color"> element
+*/
+exports.convertCSSColorToRGBString = function(colourString) {
+	// The <input type="color"> element only accepts six digit hex values, so we
+	// discard any alpha channel and fall back to black for unparseable input
+	var rgb = exports.parseCSSColor(colourString);
+	if(rgb) {
+		return "#" + rgb.slice(0,3).map(function(component) {
+			return ("0" + component.toString(16)).slice(-2);
+		}).join("");
+	} else {
+		return "#000000";
+	}
+};

core/modules/utils/dom/color.js/LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2021 Lea Verou, Chris Lilley
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

core/modules/utils/dom/color.js/tiddlywiki.files

@@ -0,0 +1,21 @@
+{
+	"tiddlers": [
+		{
+			"file": "color.global.min.v0.6.1.js",
+			"fields": {
+				"type": "application/javascript",
+				"title": "$:/core/modules/utils/dom/color.js",
+				"module-type": "library"
+			},
+			"prefix": "",
+			"suffix": ";\nexports.Color = Color;"
+		},
+		{
+			"file": "LICENSE",
+			"fields": {
+				"type": "text/plain",
+				"title": "$:/core/modules/utils/dom/color.js/license"
+			}
+		}
+	]
+}

core/modules/utils/dom/csscolorparser.js

@@ -1,200 +0,0 @@
-// (c) Dean McNamee <dean@gmail.com>, 2012.
-//
-// https://github.com/deanm/css-color-parser-js
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the "Software"), to
-// deal in the Software without restriction, including without limitation the
-// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
-// sell copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
-// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
-// IN THE SOFTWARE.
-
-// http://www.w3.org/TR/css3-color/
-var kCSSColorTable = {
-  "transparent": [0,0,0,0], "aliceblue": [240,248,255,1],
-  "antiquewhite": [250,235,215,1], "aqua": [0,255,255,1],
-  "aquamarine": [127,255,212,1], "azure": [240,255,255,1],
-  "beige": [245,245,220,1], "bisque": [255,228,196,1],
-  "black": [0,0,0,1], "blanchedalmond": [255,235,205,1],
-  "blue": [0,0,255,1], "blueviolet": [138,43,226,1],
-  "brown": [165,42,42,1], "burlywood": [222,184,135,1],
-  "cadetblue": [95,158,160,1], "chartreuse": [127,255,0,1],
-  "chocolate": [210,105,30,1], "coral": [255,127,80,1],
-  "cornflowerblue": [100,149,237,1], "cornsilk": [255,248,220,1],
-  "crimson": [220,20,60,1], "cyan": [0,255,255,1],
-  "darkblue": [0,0,139,1], "darkcyan": [0,139,139,1],
-  "darkgoldenrod": [184,134,11,1], "darkgray": [169,169,169,1],
-  "darkgreen": [0,100,0,1], "darkgrey": [169,169,169,1],
-  "darkkhaki": [189,183,107,1], "darkmagenta": [139,0,139,1],
-  "darkolivegreen": [85,107,47,1], "darkorange": [255,140,0,1],
-  "darkorchid": [153,50,204,1], "darkred": [139,0,0,1],
-  "darksalmon": [233,150,122,1], "darkseagreen": [143,188,143,1],
-  "darkslateblue": [72,61,139,1], "darkslategray": [47,79,79,1],
-  "darkslategrey": [47,79,79,1], "darkturquoise": [0,206,209,1],
-  "darkviolet": [148,0,211,1], "deeppink": [255,20,147,1],
-  "deepskyblue": [0,191,255,1], "dimgray": [105,105,105,1],
-  "dimgrey": [105,105,105,1], "dodgerblue": [30,144,255,1],
-  "firebrick": [178,34,34,1], "floralwhite": [255,250,240,1],
-  "forestgreen": [34,139,34,1], "fuchsia": [255,0,255,1],
-  "gainsboro": [220,220,220,1], "ghostwhite": [248,248,255,1],
-  "gold": [255,215,0,1], "goldenrod": [218,165,32,1],
-  "gray": [128,128,128,1], "green": [0,128,0,1],
-  "greenyellow": [173,255,47,1], "grey": [128,128,128,1],
-  "honeydew": [240,255,240,1], "hotpink": [255,105,180,1],
-  "indianred": [205,92,92,1], "indigo": [75,0,130,1],
-  "ivory": [255,255,240,1], "khaki": [240,230,140,1],
-  "lavender": [230,230,250,1], "lavenderblush": [255,240,245,1],
-  "lawngreen": [124,252,0,1], "lemonchiffon": [255,250,205,1],
-  "lightblue": [173,216,230,1], "lightcoral": [240,128,128,1],
-  "lightcyan": [224,255,255,1], "lightgoldenrodyellow": [250,250,210,1],
-  "lightgray": [211,211,211,1], "lightgreen": [144,238,144,1],
-  "lightgrey": [211,211,211,1], "lightpink": [255,182,193,1],
-  "lightsalmon": [255,160,122,1], "lightseagreen": [32,178,170,1],
-  "lightskyblue": [135,206,250,1], "lightslategray": [119,136,153,1],
-  "lightslategrey": [119,136,153,1], "lightsteelblue": [176,196,222,1],
-  "lightyellow": [255,255,224,1], "lime": [0,255,0,1],
-  "limegreen": [50,205,50,1], "linen": [250,240,230,1],
-  "magenta": [255,0,255,1], "maroon": [128,0,0,1],
-  "mediumaquamarine": [102,205,170,1], "mediumblue": [0,0,205,1],
-  "mediumorchid": [186,85,211,1], "mediumpurple": [147,112,219,1],
-  "mediumseagreen": [60,179,113,1], "mediumslateblue": [123,104,238,1],
-  "mediumspringgreen": [0,250,154,1], "mediumturquoise": [72,209,204,1],
-  "mediumvioletred": [199,21,133,1], "midnightblue": [25,25,112,1],
-  "mintcream": [245,255,250,1], "mistyrose": [255,228,225,1],
-  "moccasin": [255,228,181,1], "navajowhite": [255,222,173,1],
-  "navy": [0,0,128,1], "oldlace": [253,245,230,1],
-  "olive": [128,128,0,1], "olivedrab": [107,142,35,1],
-  "orange": [255,165,0,1], "orangered": [255,69,0,1],
-  "orchid": [218,112,214,1], "palegoldenrod": [238,232,170,1],
-  "palegreen": [152,251,152,1], "paleturquoise": [175,238,238,1],
-  "palevioletred": [219,112,147,1], "papayawhip": [255,239,213,1],
-  "peachpuff": [255,218,185,1], "peru": [205,133,63,1],
-  "pink": [255,192,203,1], "plum": [221,160,221,1],
-  "powderblue": [176,224,230,1], "purple": [128,0,128,1],
-  "red": [255,0,0,1], "rosybrown": [188,143,143,1],
-  "royalblue": [65,105,225,1], "saddlebrown": [139,69,19,1],
-  "salmon": [250,128,114,1], "sandybrown": [244,164,96,1],
-  "seagreen": [46,139,87,1], "seashell": [255,245,238,1],
-  "sienna": [160,82,45,1], "silver": [192,192,192,1],
-  "skyblue": [135,206,235,1], "slateblue": [106,90,205,1],
-  "slategray": [112,128,144,1], "slategrey": [112,128,144,1],
-  "snow": [255,250,250,1], "springgreen": [0,255,127,1],
-  "steelblue": [70,130,180,1], "tan": [210,180,140,1],
-  "teal": [0,128,128,1], "thistle": [216,191,216,1],
-  "tomato": [255,99,71,1], "turquoise": [64,224,208,1],
-  "violet": [238,130,238,1], "wheat": [245,222,179,1],
-  "white": [255,255,255,1], "whitesmoke": [245,245,245,1],
-  "yellow": [255,255,0,1], "yellowgreen": [154,205,50,1]}
-
-function clamp_css_byte(i) {  // Clamp to integer 0 .. 255.
-  i = Math.round(i);  // Seems to be what Chrome does (vs truncation).
-  return i < 0 ? 0 : i > 255 ? 255 : i;
-}
-
-function clamp_css_float(f) {  // Clamp to float 0.0 .. 1.0.
-  return f < 0 ? 0 : f > 1 ? 1 : f;
-}
-
-function parse_css_int(str) {  // int or percentage.
-  if (str[str.length - 1] === '%')
-    return clamp_css_byte(parseFloat(str) / 100 * 255);
-  return clamp_css_byte(parseInt(str));
-}
-
-function parse_css_float(str) {  // float or percentage.
-  if (str[str.length - 1] === '%')
-    return clamp_css_float(parseFloat(str) / 100);
-  return clamp_css_float(parseFloat(str));
-}
-
-function css_hue_to_rgb(m1, m2, h) {
-  if (h < 0) h += 1;
-  else if (h > 1) h -= 1;
-
-  if (h * 6 < 1) return m1 + (m2 - m1) * h * 6;
-  if (h * 2 < 1) return m2;
-  if (h * 3 < 2) return m1 + (m2 - m1) * (2/3 - h) * 6;
-  return m1;
-}
-
-function parseCSSColor(css_str) {
-  // Remove all whitespace, not compliant, but should just be more accepting.
-  var str = css_str.replace(/ /g, '').toLowerCase();
-
-  // Color keywords (and transparent) lookup.
-  if (str in kCSSColorTable) return kCSSColorTable[str].slice();  // dup.
-
-  // #abc and #abc123 syntax.
-  if (str[0] === '#') {
-    if (str.length === 4) {
-      var iv = parseInt(str.substr(1), 16);  // TODO(deanm): Stricter parsing.
-      if (!(iv >= 0 && iv <= 0xfff)) return null;  // Covers NaN.
-      return [((iv & 0xf00) >> 4) | ((iv & 0xf00) >> 8),
-              (iv & 0xf0) | ((iv & 0xf0) >> 4),
-              (iv & 0xf) | ((iv & 0xf) << 4),
-              1];
-    } else if (str.length === 7) {
-      var iv = parseInt(str.substr(1), 16);  // TODO(deanm): Stricter parsing.
-      if (!(iv >= 0 && iv <= 0xffffff)) return null;  // Covers NaN.
-      return [(iv & 0xff0000) >> 16,
-              (iv & 0xff00) >> 8,
-              iv & 0xff,
-              1];
-    }
-
-    return null;
-  }
-
-  var op = str.indexOf('('), ep = str.indexOf(')');
-  if (op !== -1 && ep + 1 === str.length) {
-    var fname = str.substr(0, op);
-    var params = str.substr(op+1, ep-(op+1)).split(',');
-    var alpha = 1;  // To allow case fallthrough.
-    switch (fname) {
-      case 'rgba':
-        if (params.length !== 4) return null;
-        alpha = parse_css_float(params.pop());
-        // Fall through.
-      case 'rgb':
-        if (params.length !== 3) return null;
-        return [parse_css_int(params[0]),
-                parse_css_int(params[1]),
-                parse_css_int(params[2]),
-                alpha];
-      case 'hsla':
-        if (params.length !== 4) return null;
-        alpha = parse_css_float(params.pop());
-        // Fall through.
-      case 'hsl':
-        if (params.length !== 3) return null;
-        var h = (((parseFloat(params[0]) % 360) + 360) % 360) / 360;  // 0 .. 1
-        // NOTE(deanm): According to the CSS spec s/l should only be
-        // percentages, but we don't bother and let float or percentage.
-        var s = parse_css_float(params[1]);
-        var l = parse_css_float(params[2]);
-        var m2 = l <= 0.5 ? l * (s + 1) : l + s - l * s;
-        var m1 = l * 2 - m2;
-        return [clamp_css_byte(css_hue_to_rgb(m1, m2, h+1/3) * 255),
-                clamp_css_byte(css_hue_to_rgb(m1, m2, h) * 255),
-                clamp_css_byte(css_hue_to_rgb(m1, m2, h-1/3) * 255),
-                alpha];
-      default:
-        return null;
-    }
-  }
-
-  return null;
-}
-
-try { exports.parseCSSColor = parseCSSColor } catch(e) { }

core/modules/utils/dom/csscolorparser.js.meta

@@ -1,3 +0,0 @@
-title: $:/core/modules/utils/dom/csscolorparser.js
-type: application/javascript
-module-type: utils

core/modules/utils/dom/dom.js

@@ -77,10 +77,23 @@ exports.resizeTextAreaToFit = function(domNode,minHeight) {
 	// Measure the specified minimum height
 	domNode.style.height = minHeight;
 	var measuredHeight = domNode.offsetHeight || parseInt(minHeight,10);
+	// Temporarily force rows=1 during auto-measurement so the intrinsic floor
+	// is one row rather than the HTML default of two; restore afterwards
+	var hadRowsAttr = domNode.hasAttribute("rows"),
+		savedRows = hadRowsAttr ? domNode.getAttribute("rows") : null;
+	if(!hadRowsAttr) {
+		domNode.setAttribute("rows","1");
+	}
 	// Set its height to auto so that it snaps to the correct height
 	domNode.style.height = "auto";
 	// Calculate the revised height
 	var newHeight = Math.max(domNode.scrollHeight + domNode.offsetHeight - domNode.clientHeight,measuredHeight);
+	// Restore the original rows attribute state
+	if(!hadRowsAttr) {
+		domNode.removeAttribute("rows");
+	} else {
+		domNode.setAttribute("rows",savedRows);
+	}
 	// Only try to change the height if it has changed
 	if(newHeight !== domNode.offsetHeight) {
 		domNode.style.height = newHeight + "px";
@@ -151,15 +164,16 @@ exports.forceLayout = function(element) {
 Pulse an element for debugging purposes
 */
 exports.pulseElement = function(element) {
+	var eventName = $tw.utils.convertEventName("animationEnd");
 	// Event handler to remove the class at the end
-	element.addEventListener($tw.browser.animationEnd,function handler(event) {
-		element.removeEventListener($tw.browser.animationEnd,handler,false);
-		$tw.utils.removeClass(element,"pulse");
+	element.addEventListener(eventName,function handler(event) {
+		element.removeEventListener(eventName,handler,false);
+		$tw.utils.removeClass(element,"tc-pulse");
 	},false);
 	// Apply the pulse class
-	$tw.utils.removeClass(element,"pulse");
+	$tw.utils.removeClass(element,"tc-pulse");
 	$tw.utils.forceLayout(element);
-	$tw.utils.addClass(element,"pulse");
+	$tw.utils.addClass(element,"tc-pulse");
 };
 
 /*

core/modules/utils/fakedom.js

@@ -82,6 +82,11 @@ var TW_Style = function(el) {
 	// Return a Proxy to handle direct access to individual style properties
 	return new Proxy(styleObject, {
 		get: function(target, property) {
+			// Real CSSStyleDeclaration returns undefined for non-string keys.
+			// Guards against crashes when consumers probe Symbol.toPrimitive etc.
+			if(typeof property !== "string") {
+				return undefined;
+			}
 			// If the property exists on styleObject, return it (get, set, setProperty methods)
 			if(property in target) {
 				return target[property];
@@ -90,6 +95,10 @@ var TW_Style = function(el) {
 			return el._style[$tw.utils.convertStyleNameToPropertyName(property)] || "";
 		},
 		set: function(target, property, value) {
+			// Mirror the get trap: ignore non-string keys instead of crashing.
+			if(typeof property !== "string") {
+				return true;
+			}
 			// Set the property in _style
 			el._style[$tw.utils.convertStyleNameToPropertyName(property)] = value;
 			return true;
@@ -106,7 +115,9 @@ var TW_Element = function(tag, namespace) {
 	this.children = [];
 	this._style = {}; // Internal style object
 	this.style = new TW_Style(this); // Proxy for style management
-	this.namespaceURI = namespace || "http://www.w3.org/1999/xhtml";
+	// createElementNS with empty-string or null normalises to null (no namespace) per spec.
+	// https://dom.spec.whatwg.org/#dom-document-createelementns
+	this.namespaceURI = namespace !== undefined ? (namespace || null) : "http://www.w3.org/1999/xhtml";
 };
 
 
@@ -197,7 +208,16 @@ TW_Element.prototype.addEventListener = function(type,listener,useCapture) {
 
 Object.defineProperty(TW_Element.prototype, "tagName", {
 	get: function() {
-		return this.tag || "";
+		if(!this.tag) {
+			return "";
+		}
+		// HTML elements report uppercase tagName per DOM spec. Other namespaces
+		// preserve case. Fakedom only models HTML documents.
+		// https://dom.spec.whatwg.org/#dom-element-tagname
+		if(this.namespaceURI === "http://www.w3.org/1999/xhtml") {
+			return this.tag.toUpperCase();
+		}
+		return this.tag;
 	}
 });
 

core/modules/utils/utils.js

@@ -243,8 +243,28 @@ exports.slowInSlowOut = function(t) {
 };
 
 exports.copyObjectPropertiesSafe = function(object) {
-	const seen = new Set(),
-		isDOMElement = (value) => value instanceof Node || value instanceof Window;
+	const seen = new Set();
+
+	function isDOMElement(value) {
+		if(!value || typeof value !== "object") {
+			return false;
+		}
+
+		// Cross-realm DOM nodes
+		if(typeof value.nodeType === "number" &&
+				typeof value.nodeName === "string") {
+			return true;
+		}
+
+		// Cross-realm Window objects
+		if(value.window === value &&
+				value.document &&
+				value.location) {
+			return true;
+		}
+
+		return false;
+	}
 
 	function safeCopy(obj) {
 		// skip circular references
@@ -255,10 +275,6 @@ exports.copyObjectPropertiesSafe = function(object) {
 		if(typeof obj !== "object" || obj === null) {
 			return obj;
 		}
-		// skip DOM elements
-		if(isDOMElement(obj)) {
-			return undefined;
-		}
 		// copy arrays, preserving positions
 		if(Array.isArray(obj)) {
 			return obj.map((item) => {
@@ -266,7 +282,11 @@ exports.copyObjectPropertiesSafe = function(object) {
 				return value === undefined ? null : value;
 			});
 		}
-
+		// skip DOM elements
+		if(isDOMElement(obj)) {
+			return undefined;
+		}
+		
 		seen.add(obj);
 		const copy = {};
 		let key,

core/modules/widgets/action-sendmessage.js

@@ -62,8 +62,8 @@ SendMessageWidget.prototype.invokeAction = function(triggeringWidget,event) {
 	var paramObject = Object.create(null);
 	// Add names/values pairs if present
 	if(this.actionNames && this.actionValues) {
-		var names = this.wiki.filterTiddlers(this.actionNames,this),
-			values = this.wiki.filterTiddlers(this.actionValues,this);
+		var names = this.wiki.filterTiddlers(this.actionNames,this,null,{defaultFilterRunPrefix: "all"}),
+			values = this.wiki.filterTiddlers(this.actionValues,this,null,{defaultFilterRunPrefix: "all"});
 		$tw.utils.each(names,function(name,index) {
 			paramObject[name] = values[index] || "";
 		});

core/modules/widgets/action-setmultiplefields.js

@@ -56,10 +56,10 @@ Invoke the action associated with this widget
 */
 SetMultipleFieldsWidget.prototype.invokeAction = function(triggeringWidget,event) {
 	var tiddler = this.wiki.getTiddler(this.actionTiddler),
-		names, values = this.wiki.filterTiddlers(this.actionValues,this);
+		names, values = this.wiki.filterTiddlers(this.actionValues,this,null,{defaultFilterRunPrefix: "all"});
 	if(this.actionFields) {
 		var additions = {};
-		names = this.wiki.filterTiddlers(this.actionFields,this);
+		names = this.wiki.filterTiddlers(this.actionFields,this,null,{defaultFilterRunPrefix: "all"});
 		$tw.utils.each(names,function(fieldname,index) {
 			additions[fieldname] = values[index] || "";
 		});
@@ -68,7 +68,7 @@ SetMultipleFieldsWidget.prototype.invokeAction = function(triggeringWidget,event
 		this.wiki.addTiddler(new $tw.Tiddler(creationFields,tiddler,{title: this.actionTiddler},modificationFields,additions));
 	} else if(this.actionIndexes) {
 		var data = this.wiki.getTiddlerData(this.actionTiddler,Object.create(null));
-		names = this.wiki.filterTiddlers(this.actionIndexes,this);
+		names = this.wiki.filterTiddlers(this.actionIndexes,this,null,{defaultFilterRunPrefix: "all"});
 		$tw.utils.each(names,function(name,index) {
 			data[name] = values[index] || "";
 		});

core/modules/widgets/button.js

@@ -151,10 +151,24 @@ ButtonWidget.prototype.getBoundingClientRect = function() {
 };
 
 ButtonWidget.prototype.isSelected = function() {
-	return this.setTitle ? (this.setField ? this.wiki.getTiddler(this.setTitle).getFieldString(this.setField) === this.setTo :
-		(this.setIndex ? this.wiki.extractTiddlerDataItem(this.setTitle,this.setIndex) === this.setTo :
-			this.wiki.getTiddlerText(this.setTitle))) || this.defaultSetValue || this.getVariable("currentTiddler") :
-		this.wiki.getTextReference(this.set,this.defaultSetValue,this.getVariable("currentTiddler")) === this.setTo;
+	var currentValue;
+	if(this.setTitle) {
+		if(this.setField) {
+			// The state tiddler usually does not exist until the button is first clicked
+			var tiddler = this.wiki.getTiddler(this.setTitle);
+			currentValue = tiddler ? tiddler.getFieldString(this.setField) : undefined;
+		} else if(this.setIndex) {
+			currentValue = this.wiki.extractTiddlerDataItem(this.setTitle,this.setIndex);
+		} else {
+			currentValue = this.wiki.getTiddlerText(this.setTitle);
+		}
+		if(!currentValue) {
+			currentValue = this.defaultSetValue || this.getVariable("currentTiddler");
+		}
+	} else {
+		currentValue = this.wiki.getTextReference(this.set,this.defaultSetValue,this.getVariable("currentTiddler"));
+	}
+	return currentValue === this.setTo;
 };
 
 ButtonWidget.prototype.isPoppedUp = function() {
@@ -267,7 +281,7 @@ Selectively refreshes the widget if needed. Returns true if the widget or any of
 */
 ButtonWidget.prototype.refresh = function(changedTiddlers) {
 	var changedAttributes = this.computeAttributes();
-	if(changedAttributes.tooltip || changedAttributes.actions || changedAttributes.to || changedAttributes.message || changedAttributes.param || changedAttributes.set || changedAttributes.setTo || changedAttributes.popup || changedAttributes.hover || changedAttributes.selectedClass || changedAttributes.style || changedAttributes.dragFilter || changedAttributes.dragTiddler || (this.set && changedTiddlers[this.set]) || (this.popup && changedTiddlers[this.popup]) || (this.popupTitle && changedTiddlers[this.popupTitle]) || changedAttributes.popupAbsCoords || changedAttributes.setTitle || changedAttributes.setField || changedAttributes.setIndex || changedAttributes.popupTitle || changedAttributes.disabled || changedAttributes["default"]) {
+	if(changedAttributes.tooltip || changedAttributes.actions || changedAttributes.to || changedAttributes.message || changedAttributes.param || changedAttributes.set || changedAttributes.setTo || changedAttributes.popup || changedAttributes.hover || changedAttributes.selectedClass || changedAttributes.style || changedAttributes.dragFilter || changedAttributes.dragTiddler || (this.set && changedTiddlers[this.set]) || (this.setTitle && changedTiddlers[this.setTitle]) || (this.popup && changedTiddlers[this.popup]) || (this.popupTitle && changedTiddlers[this.popupTitle]) || changedAttributes.popupAbsCoords || changedAttributes.setTitle || changedAttributes.setField || changedAttributes.setIndex || changedAttributes.popupTitle || changedAttributes.disabled || changedAttributes["default"]) {
 		this.refreshSelf();
 		return true;
 	} else {

core/modules/widgets/diff-text.js

@@ -22,7 +22,7 @@ Inherit from the base widget class
 DiffTextWidget.prototype = new Widget();
 
 DiffTextWidget.prototype.invisibleCharacters = {
-	"\n": "↩︎\n",
+	"\n": "↲\n",
 	"\r": "⇠",
 	"\t": "⇥\t"
 };

core/modules/widgets/genesis.js

@@ -72,8 +72,8 @@ GenesisWidget.prototype.execute = function() {
 	this.attributeNames = [];
 	this.attributeValues = [];
 	if(this.genesisNames && this.genesisValues) {
-		this.attributeNames = this.wiki.filterTiddlers(self.genesisNames,this);
-		this.attributeValues = this.wiki.filterTiddlers(self.genesisValues,this);
+		this.attributeNames = this.wiki.filterTiddlers(self.genesisNames,this,null,{defaultFilterRunPrefix: "all"});
+		this.attributeValues = this.wiki.filterTiddlers(self.genesisValues,this,null,{defaultFilterRunPrefix: "all"});
 		$tw.utils.each(this.attributeNames,function(varname,index) {
 			$tw.utils.addAttributeToParseTreeNode(parseTreeNodes[0],varname,self.attributeValues[index] || "");
 		});
@@ -103,8 +103,8 @@ GenesisWidget.prototype.refresh = function(changedTiddlers) {
 	var changedAttributes = this.computeAttributes(),
 		filterNames = this.getAttribute("$names",""),
 		filterValues = this.getAttribute("$values",""),
-		attributeNames = this.wiki.filterTiddlers(filterNames,this),
-		attributeValues = this.wiki.filterTiddlers(filterValues,this);
+		attributeNames = this.wiki.filterTiddlers(filterNames,this,null,{defaultFilterRunPrefix: "all"}),
+		attributeValues = this.wiki.filterTiddlers(filterValues,this,null,{defaultFilterRunPrefix: "all"});
 	if($tw.utils.count(changedAttributes) > 0 || !$tw.utils.isArrayEqual(this.attributeNames,attributeNames) || !$tw.utils.isArrayEqual(this.attributeValues,attributeValues)) {
 		this.refreshSelf();
 		return true;

core/modules/widgets/select.js

@@ -125,13 +125,12 @@ SelectWidget.prototype.setSelectValue = function() {
 			values = Array.isArray(value) ? value : $tw.utils.parseStringArray(value);
 		for(var i=0; i < select.children.length; i++){
 			child=select.children[i];
-			if(child.children.length === 0){
-				child.selected = values.indexOf(child.value) !== -1;
-			} else {
-				// grouped options
+			if(child.tagName && child.tagName.toUpperCase() === "OPTGROUP"){
 				for(var y=0; y < child.children.length; y++){
 					child.children[y].selected = values.indexOf(child.children[y].value) !== -1;
 				}
+			} else {
+				child.selected = values.indexOf(child.value) !== -1;
 			}
 		}
 	} else {

core/modules/widgets/setmultiplevariables.js

@@ -49,8 +49,8 @@ SetMultipleVariablesWidget.prototype.setVariables = function() {
 	this.variableNames = [];
 	this.variableValues = [];
 	if(filterNames && filterValues) {
-		this.variableNames = this.wiki.filterTiddlers(filterNames,this);
-		this.variableValues = this.wiki.filterTiddlers(filterValues,this);
+		this.variableNames = this.wiki.filterTiddlers(filterNames,this,null,{defaultFilterRunPrefix: "all"});
+		this.variableValues = this.wiki.filterTiddlers(filterValues,this,null,{defaultFilterRunPrefix: "all"});
 		$tw.utils.each(this.variableNames,function(varname,index) {
 			self.setVariable(varname,self.variableValues[index]);
 		});
@@ -63,8 +63,8 @@ Refresh the widget by ensuring our attributes are up to date
 SetMultipleVariablesWidget.prototype.refresh = function(changedTiddlers) {
 	var filterNames = this.getAttribute("$names",""),
 		filterValues = this.getAttribute("$values",""),
-		variableNames = this.wiki.filterTiddlers(filterNames,this),
-		variableValues = this.wiki.filterTiddlers(filterValues,this);
+		variableNames = this.wiki.filterTiddlers(filterNames,this,null,{defaultFilterRunPrefix: "all"}),
+		variableValues = this.wiki.filterTiddlers(filterValues,this,null,{defaultFilterRunPrefix: "all"});
 	if(!$tw.utils.isArrayEqual(this.variableNames,variableNames) || !$tw.utils.isArrayEqual(this.variableValues,variableValues)) {
 		this.refreshSelf();
 		return true;

core/palettes/AutoToggle.tid

@@ -0,0 +1,10 @@
+title: $:/palettes/AutoToggle
+name: AutoToggle
+description: Automatically switch between dark and light modes
+tags: $:/tags/Palette
+type: application/x-tiddler-dictionary
+color-scheme: [{$:/info/browser/darkmode}!match[yes]then[light]else[dark]]
+customisations: $:/palettes/AutoToggle/Customisations
+palette-import@light: $:/palettes/TwentyTwenties
+palette-import@dark: $:/palettes/TwentyTwenties/Dark
+category: 2026

core/palettes/AutoToggleCustomisations.tid

@@ -0,0 +1,25 @@
+title: $:/palettes/AutoToggle/Customisations
+
+\procedure layer-input-actions()
+<$action-setfield $tiddler=<<layerTitle>> palette-import={{$:/palette}}/>
+\end layer-input-actions
+
+\procedure set-imported-palette(field)
+<$select field=<<field>> default={{{ [[$:/temp/palette-consolidated]get<field>] }}} actions=<<layer-input-actions>>>
+	<$list filter="[all[shadows+tiddlers]tag[$:/tags/Palette]sort[name]] -[{$:/palette}]">
+		<option value=<<currentTiddler>>><$view field="name"><$view field="title"/></$view></option>
+	</$list>
+</$select>
+\end set-imported-palette
+
+This palette can be used to automatically switch between two palettes based on the browser's dark mode setting.
+
+<$let layerTitle={{{ [function[tf.palette-customisations-layer]] }}}>
+<$tiddler tiddler=<<layerTitle>>>
+
+Light palette: <<set-imported-palette field:"palette-import@light">>
+
+Dark palette: <<set-imported-palette field:"palette-import@dark">>
+
+</$tiddler>
+</$let>

core/palettes/TwentyTwenties.tid

@@ -0,0 +1,226 @@
+title: $:/palettes/TwentyTwenties
+name: TwentyTwenties
+description: Modern and flexible
+tags: $:/tags/Palette
+type: application/x-tiddler-dictionary
+color-scheme: light
+customisations: $:/palettes/TwentyTwenties/Customisations
+palette-import: $:/palettes/Vanilla
+category: 2026
+
+# Background and foreground colours, which are interpolated as required
+base-paper: #FFFCF0
+base-background: #f0d5c6
+base-ink: #333344
+?base-paper-ink: [tf.check-colour-contrast[base-paper],[base-ink],[45]]
+?base-background-ink: [tf.check-colour-contrast[base-background],[base-ink],[45]]
+
+# Primary colour, used for links and other accented elements
+base-primary: #5778d8
+?base-paper-primary: [tf.check-colour-contrast[base-paper],[base-primary],[45]]
+?base-background-primary: [tf.check-colour-contrast[base-background],[base-primary],[45]]
+
+# Secondary colour, used for alerts and other secondary elements
+base-secondary: #f0e48a
+?base-ink-secondary: [tf.check-colour-contrast[base-ink],[base-secondary],[45]]
+
+# Tertiary base colour, used for monospaced text and other tertiary elements
+base-tertiary: rgb(183, 95, 95)
+?base-paper-tertiary: [tf.check-colour-contrast[base-paper],[base-tertiary],[45]]
+
+# Basic spectrum colours
+base-black: #100F0F
+base-red: #D14D41
+base-orange: #DA702C
+base-yellow: #D0A215
+base-green: #879A39
+base-cyan: #3AA99F
+base-blue: #4385BE
+base-purple: #8B7EC8
+base-magenta: #CE5D97
+base-white: #FFFCF0
+# Darker variants
+# base-red: #AF3029
+# base-orange: #BC5215
+# base-yellow: #AD8301
+# base-green: #66800B
+# base-cyan: #24837B
+# base-blue: #205EA6
+# base-purple: #5E409D
+# base-magenta: #A02F6F
+
+# Palette definitions
+alert-background: [tf.colour[base-secondary]]
+alert-border: [tf.interpolate-colours[base-ink],[alert-background],[0.6]]
+alert-highlight: [tf.interpolate-colours[base-ink],[base-primary],[0.3]]
+alert-muted-foreground: [tf.interpolate-colours[base-ink],[alert-background],[0.4]]
+background: [tf.colour[base-paper]]
+blockquote-bar: [tf.colour[muted-foreground]]
+button-background: 
+button-border: 
+button-foreground: 
+code-background: [tf.interpolate-colours[base-paper],[base-tertiary],[0.1]]
+code-border: [tf.interpolate-colours[base-paper],[base-tertiary],[0.6]]
+code-foreground: [tf.colour[base-tertiary]]
+diff-delete-background: [tf.colour[base-red]]
+diff-delete-foreground: [tf.colour[foreground]]
+diff-equal-background: 
+diff-equal-foreground: [tf.colour[foreground]]
+diff-insert-background: [tf.colour[base-green]]
+diff-insert-foreground: [tf.colour[foreground]]
+diff-invisible-background: 
+diff-invisible-foreground: [tf.colour[muted-foreground]]
+dirty-indicator: [tf.colour[base-tertiary]]
+download-background: [tf.interpolate-colours[base-paper],[base-green],[0.6]]
+download-foreground: [tf.interpolate-colours[base-ink],[base-green],[0.1]]
+dragger-background: [tf.colour[foreground]]
+dragger-foreground: [tf.colour[background]]
+dropdown-background: [tf.colour[background]]
+dropdown-border: [tf.colour[muted-foreground]]
+dropdown-tab-background-selected: [tf.colour[background]]
+dropdown-tab-background: [tf.interpolate-colours[base-paper],[base-ink],[0.9]]
+dropzone-background: [tf.colour[base-secondary]colour-set-alpha[0.7]]
+external-link-background-hover: inherit
+external-link-background-visited: inherit
+external-link-background: inherit
+external-link-foreground-hover: inherit
+external-link-foreground-visited: [tf.colour[primary]]
+external-link-foreground: [tf.colour[primary]]
+footnote-target-background: [tf.interpolate-colours[base-paper],[base-ink],[0.2]]
+foreground: [tf.colour[base-ink]]
+highlight-background: [tf.interpolate-colours[base-paper],[base-yellow],[0.5]]
+highlight-foreground: [tf.interpolate-colours[base-yellow],[base-ink],[0.8]]
+menubar-background: #5778d8
+menubar-foreground: #fff
+message-background: [tf.interpolate-colours[base-paper],[base-blue],[0.2]]
+message-border: [tf.interpolate-colours[base-blue],[base-ink],[0.5]]
+message-foreground: [tf.interpolate-colours[base-blue],[base-ink],[0.8]]
+modal-backdrop: [tf.colour[foreground]]
+modal-background: [tf.colour[background]]
+modal-border: #999999
+modal-footer-background: #f5f5f5
+modal-footer-border: #dddddd
+modal-header-border: #eeeeee
+muted-foreground: [tf.interpolate-colours[base-paper],[base-ink],[0.3]]
+network-activity-foreground: #448844
+notification-background: [tf.colour[base-tertiary]colour-set-oklch:l[0.9]]
+notification-border: [tf.colour[base-tertiary]colour-set-oklch:l[0.2]]
+page-background: [tf.colour[base-background]]
+pre-background: [tf.interpolate-colours[base-paper],[base-tertiary],[0.1]]
+pre-border: [tf.interpolate-colours[base-paper],[base-tertiary],[0.6]]
+primary: [tf.colour[base-primary]]
+select-tag-background: 
+select-tag-foreground: 
+selection-background: 
+selection-foreground: 
+sidebar-button-foreground: [tf.colour[sidebar-controls-foreground]]
+sidebar-controls-foreground-hover: [tf.interpolate-colours[base-ink],[base-background],[0.2]]
+sidebar-controls-foreground: [tf.interpolate-colours[base-ink],[base-background],[0.8]]
+sidebar-foreground-shadow: inherit
+sidebar-foreground: =[tf.colour[base-ink]] =[tf.colour[base-paper]] =[tf.colour[base-background]] +[colour-best-contrast[]]
+sidebar-muted-foreground-hover: [tf.colour[sidebar-muted-foreground]colour-set-oklch:l[0.3]]
+sidebar-muted-foreground: [tf.interpolate-colours[foreground],[page-background],[0.6]]
+sidebar-tab-background-selected: [tf.colour[tab-background-selected]]
+sidebar-tab-background: [tf.colour[tab-background]]
+sidebar-tab-border-selected: [tf.colour[tab-border-selected]]
+sidebar-tab-border: [tf.colour[tab-border]]
+sidebar-tab-divider: [tf.colour[tab-divider]]
+sidebar-tab-foreground-selected: [tf.colour[tab-foreground-selected]]
+sidebar-tab-foreground: [tf.colour[tab-foreground]]
+sidebar-tiddler-link-foreground-hover: [tf.colour[sidebar-tiddler-link-foreground]colour-set-oklch:l[0.5]]
+sidebar-tiddler-link-foreground: =[tf.colour[base-primary]] =[tf.colour[base-secondary]] =[tf.colour[base-tertiary]] =[tf.colour[base-background]] +[colour-best-contrast[]]
+site-title-foreground: [tf.colour[tiddler-title-foreground]]
+stability-deprecated: #ff0000
+stability-experimental: #c07c00
+stability-legacy: #0000ff
+stability-stable: #008000
+static-alert-foreground: #aaaaaa
+tab-background-selected: [tf.colour[background]]
+tab-background: [tf.interpolate-colours[base-paper],[base-ink],[0.2]]
+tab-border-selected: [tf.colour[muted-foreground]]
+tab-border: [tf.colour[muted-foreground]]
+tab-divider: [tf.colour[muted-foreground]]
+tab-foreground-selected: [tf.colour[tab-foreground]]
+tab-foreground: [tf.colour[foreground]]
+table-border: [tf.colour[foreground]]
+table-footer-background: [tf.interpolate-colours[background],[foreground],[0.2]]
+table-header-background: [tf.interpolate-colours[background],[foreground],[0.1]]
+tag-background: [tf.interpolate-colours[base-paper],[base-yellow],[0.9]]
+tag-foreground: [tf.interpolate-colours[base-yellow],[base-ink],[0.8]]
+testcase-accent-level-1: #c1eaff
+testcase-accent-level-2: #E3B740
+testcase-accent-level-3: #5FD564
+tiddler-background: [tf.colour[background]]
+tiddler-border: [tf.interpolate-colours[base-paper],[base-background],[0.5]]
+tiddler-controls-foreground-hover: [tf.interpolate-colours[background],[foreground],[0.7]]
+tiddler-controls-foreground-selected: [tf.interpolate-colours[background],[foreground],[0.9]]
+tiddler-controls-foreground: [tf.interpolate-colours[background],[foreground],[0.5]]
+tiddler-editor-background: #f8f8f8
+tiddler-editor-border-image: #ffffff
+tiddler-editor-border: #cccccc
+tiddler-editor-fields-even: #e0e8e0
+tiddler-editor-fields-odd: #f0f4f0
+tiddler-info-background: #f8f8f8
+tiddler-info-border: #dddddd
+tiddler-info-tab-background: #f8f8f8
+tiddler-link-background: [tf.colour[background]]
+tiddler-link-foreground: [tf.colour[primary]]
+tiddler-subtitle-foreground: [tf.interpolate-colours[background],[foreground],[0.6]]
+tiddler-title-foreground: [tf.interpolate-colours[background],[foreground],[0.9]]
+toolbar-cancel-button: 
+toolbar-close-button: 
+toolbar-delete-button: 
+toolbar-done-button: 
+toolbar-edit-button: 
+toolbar-info-button: 
+toolbar-new-button: 
+toolbar-options-button: 
+toolbar-save-button: 
+tour-chooser-button-foreground: <<colour very-muted-foreground>>
+tour-chooser-button-hover-background: <<colour muted-foreground>>
+tour-chooser-button-hover-foreground: <<colour background>>
+tour-chooser-button-selected-background: <<colour primary>>
+tour-chooser-button-selected-foreground: <<colour background>>
+tour-chooser-dropdown-foreground: <<colour very-muted-foreground>>
+tour-chooser-item-background: <<colour background>>
+tour-chooser-item-border: <<colour muted-foreground>>
+tour-chooser-item-foreground: <<colour foreground>>
+tour-chooser-item-shadow: <<colour muted-foreground>>
+tour-chooser-item-start-background: <<colour download-background>>
+tour-chooser-item-start-foreground: <<colour background>>
+tour-chooser-item-start-hover-background: <<colour primary>>
+tour-chooser-item-start-hover-foreground: <<colour background>>
+tour-fullscreen-background: <<colour page-background>>
+tour-fullscreen-controls-foreground: <<colour muted-foreground>>
+tour-navigation-buttons-back-background: red
+tour-navigation-buttons-back-foreground: white
+tour-navigation-buttons-hint-background: purple
+tour-navigation-buttons-hint-foreground: white
+tour-navigation-buttons-hover-background: <<colour foreground>>
+tour-navigation-buttons-hover-foreground: <<colour background>>
+tour-navigation-buttons-next-background: purple
+tour-navigation-buttons-next-foreground: white
+tour-overlay-background: #cbfff8
+tour-overlay-border: #228877
+tour-step-heading-background: none
+tour-step-task-background: <<colour download-background>>
+tour-step-task-foreground: <<colour download-foreground>>
+untagged-background: #999999
+very-muted-foreground: #888888
+wikilist-background: #e5e5e5
+wikilist-button-background: #acacac
+wikilist-button-foreground: #000000
+wikilist-button-open-hover: green
+wikilist-button-open: #4fb82b
+wikilist-button-remove-hover: red
+wikilist-button-remove: #d85778
+wikilist-button-reveal-hover: blue
+wikilist-button-reveal: #5778d8
+wikilist-droplink-dragover: [tf.colour[base-secondary]colour-set-alpha[0.7]]
+wikilist-info: #000000
+wikilist-item: #ffffff
+wikilist-title-svg: [tf.colour[wikilist-title]]
+wikilist-title: #666666
+wikilist-toolbar-background: #d3d3d3
+wikilist-toolbar-foreground: #888888
+wikilist-url: #aaaaaa

core/palettes/TwentyTwentiesCustomisations.tid

@@ -0,0 +1,25 @@
+title: $:/palettes/TwentyTwenties/Customisations
+
+\procedure layer-input-actions()
+<$action-setfield $tiddler=<<layerTitle>> palette-import={{$:/palette}}/>
+\end layer-input-actions
+
+\procedure entry(name,description)
+<$text text=<<description>>/>: <$edit-text tiddler=<<layerTitle>> index=<<name>> type="color" tag="input" default={{{ [function[colour],<name>] }}} inputActions=<<layer-input-actions>>/>
+\end entry
+
+<$let layerTitle={{{ [function[tf.palette-customisations-layer]] }}}>
+
+<<entry name:"base-paper" description:"Paper">>
+
+<<entry name:"base-background" description:"Page background">>
+
+<<entry name:"base-ink" description:"Ink">>
+
+<<entry name:"base-primary" description:"Primary">>
+
+<<entry name:"base-secondary" description:"Secondary">>
+
+<<entry name:"base-tertiary" description:"Tertiary">>
+
+</$let>

core/palettes/TwentyTwentiesDark.tid

@@ -0,0 +1,12 @@
+title: $:/palettes/TwentyTwenties/Dark
+name: TwentyTwenties Dark
+description: Modern and flexible, Darkish
+tags: $:/tags/Palette
+type: application/x-tiddler-dictionary
+color-scheme: dark
+palette-import: $:/palettes/TwentyTwenties
+category: 2026
+
+base-paper: #111122
+base-background: #f5f0f9
+base-ink: #8C8F80

core/palettes/TwentyTwentiesGreen.tid

@@ -0,0 +1,12 @@
+title: $:/palettes/TwentyTwenties/Green
+name: TwentyTwenties (Green)
+description: Modern and flexible, Greenish
+tags: $:/tags/Palette
+type: application/x-tiddler-dictionary
+color-scheme: light
+palette-import: $:/palettes/TwentyTwenties
+category: 2026
+
+base-paper: rgb(188, 255, 161)
+base-background: rgb(94, 192, 145)
+base-primary: #6e803c

core/palettes/TwentyTwentiesGreenP3.tid

@@ -0,0 +1,13 @@
+title: $:/palettes/TwentyTwenties/GreenP3
+name: TwentyTwenties (Green P3)
+description: Modern and flexible, Greenish and super bright
+tags: $:/tags/Palette
+type: application/x-tiddler-dictionary
+color-scheme: light
+palette-import: $:/palettes/TwentyTwenties
+category: 2026
+
+base-paper: color(display-p3 0.281 1 0.584 / 1)
+base-background: color(display-p3 1 1 0 / 1)
+base-primary: color(display-p3 1 0.563 1 / 1)
+

core/palettes/Vanilla.tid

@@ -4,6 +4,7 @@ description: Pale and unobtrusive
 tags: $:/tags/Palette
 type: application/x-tiddler-dictionary
 color-scheme: light
+category: Legacy
 
 alert-background: #ffe476
 alert-border: #b99e2f

core/palettes/VanillaCherry.tid

@@ -0,0 +1,12 @@
+title: $:/palettes/VanillaCherry
+name: Vanilla Cherry
+category: 2026
+description: Pale and unobtrusive with a cherry on top
+tags: $:/tags/Palette
+type: application/x-tiddler-dictionary
+color-scheme: light
+palette-import: $:/palettes/Vanilla
+
+primary: rgb(224, 32, 86)
+menubar-foreground: #fff
+menubar-background: <<colour primary>>

core/palettes/background/contrast-tests.tid

@@ -0,0 +1,7 @@
+title: $:/palettes/background/contrast-tests
+type: application/x-tiddler-dictionary
+tags: $:/tags/BackgroundPalette
+
+?background-foreground-contrast: [tf.check-colour-contrast[background],[foreground],[45]]
+?alert-contrast: [tf.check-colour-contrast[alert-background],[foreground],[45]]
+?code-contrast: [tf.check-colour-contrast[code-background],[code-foreground],[45]]

core/stylesheets/custom-properties.tid

@@ -1,11 +1,11 @@
 title: $:/core/stylesheets/custom-properties
 
-\rules only transcludeinline macrocallinline html transcludeblock
+\rules only transcludeinline macrocallinline html transcludeblock filteredtranscludeinline
 
 /* Tiddlywiki's CSS properties */
 
 :root {
-	<$list filter="[[$:/palettes/Vanilla]indexes[]]">
+	<$list filter="[[$:/temp/palette-colours]indexes[]!prefix[?]]">
 	--tpc-<<currentTiddler>>: <$transclude $variable="colour" $mode="inline" name=<<currentTiddler>>/>;
 	</$list>
 
@@ -21,10 +21,10 @@ title: $:/core/stylesheets/custom-properties
 	--tp-story-left: {{$:/themes/tiddlywiki/vanilla/metrics/storyleft}};
 	--tp-story-top: {{$:/themes/tiddlywiki/vanilla/metrics/storytop}};
 	--tp-story-right: {{$:/themes/tiddlywiki/vanilla/metrics/storyright}};
-	--tp-story-width: {{$:/themes/tiddlywiki/vanilla/metrics/storyrwidth}};
+	--tp-story-width: {{$:/themes/tiddlywiki/vanilla/metrics/storywidth}};
 	--tp-tiddler-width: {{$:/themes/tiddlywiki/vanilla/metrics/tiddlerwidth}};
 	--tp-sidebar-breakpoint: {{$:/themes/tiddlywiki/vanilla/metrics/sidebarbreakpoint}};
 	--tp-sidebar-width: {{$:/themes/tiddlywiki/vanilla/metrics/sidebarwidth}};
 
 	--tp-animation-duration: {{{ [{$:/config/AnimationDuration}addsuffix[ms]] }}};
-}
+}

core/ui/Actions/new-journal.tid

@@ -4,13 +4,15 @@ description: create a new journal tiddler
 
 \whitespace trim
 \function get-tags() [<textFieldTags>] [<tagsFieldTags>] +[join[ ]]
-<$let journalTitleTemplate={{$:/config/NewJournal/Title}} textFieldTags={{$:/config/NewJournal/Tags}} tagsFieldTags={{$:/config/NewJournal/Tags!!tags}} journalText={{$:/config/NewJournal/Text}}>
-<$wikify name="journalTitle" text="<$transclude $variable='now' format=<<journalTitleTemplate>>/>">
+<$let journalTitle=<<now format={{$:/config/NewJournal/Title}}>>  
+	textFieldTags={{$:/config/NewJournal/Tags}}
+	tagsFieldTags={{$:/config/NewJournal/Tags!!tags}}
+	journalText={{$:/config/NewJournal/Text}}  
+>  
 <$reveal type="nomatch" state=<<journalTitle>> text="">
 <$action-sendmessage $message="tm-new-tiddler" title=<<journalTitle>> tags=<<get-tags>> text={{{ [<journalTitle>get[]] }}}/>
 </$reveal>
 <$reveal type="match" state=<<journalTitle>> text="">
 <$action-sendmessage $message="tm-new-tiddler" title=<<journalTitle>> tags=<<get-tags>> text=<<journalText>>/>
 </$reveal>
-</$wikify>
 </$let>

core/ui/ControlPanel/Appearance.tid

@@ -6,5 +6,5 @@ caption: {{$:/language/ControlPanel/Appearance/Caption}}
 {{$:/language/ControlPanel/Appearance/Hint}}
 
 <div class="tc-control-panel">
-<$macrocall $name="tabs" tabsList="[all[shadows+tiddlers]tag[$:/tags/ControlPanel/Appearance]!has[draft.of]]" default="$:/core/ui/ControlPanel/Theme" explicitState="$:/state/tab--1963855381"/>
+<$macrocall $name="tabs" tabsList="[all[shadows+tiddlers]tag[$:/tags/ControlPanel/Appearance]!has[draft.of]]" default="$:/core/ui/ControlPanel/Palette" explicitState="$:/state/tab--1963855381"/>
 </div>

core/ui/ControlPanel/Palette.tid

@@ -2,20 +2,4 @@ title: $:/core/ui/ControlPanel/Palette
 tags: $:/tags/ControlPanel/Appearance
 caption: {{$:/language/ControlPanel/Palette/Caption}}
 
-\define lingo-base() $:/language/ControlPanel/Palette/
-
-{{$:/snippets/paletteswitcher}}
-
-<$reveal type="nomatch" state="$:/state/ShowPaletteEditor" text="yes">
-
-<$button set="$:/state/ShowPaletteEditor" setTo="yes"><<lingo ShowEditor/Caption>></$button>
-
-</$reveal>
-
-<$reveal type="match" state="$:/state/ShowPaletteEditor" text="yes">
-
-<$button set="$:/state/ShowPaletteEditor" setTo="no"><<lingo HideEditor/Caption>></$button>
-{{$:/PaletteManager}}
-
-</$reveal>
-
+{{$:/PaletteManager}}

core/ui/EditTemplate/tags.tid

@@ -6,28 +6,23 @@ tags: $:/tags/EditTemplate
 \procedure lingo-base() $:/language/EditTemplate/
 
 \procedure tag-body-inner(colour,fallbackTarget,colourA,colourB,icon,tagField:"tags")
-<$wikify name="foregroundColor"
-	text="""<$macrocall $name="contrastcolour"
-		target=<<colour>>
-		fallbackTarget=<<fallbackTarget>>
-		colourA=<<colourA>>
-		colourB=<<colourB>>/>
-	"""
->
-	<$let backgroundColor=<<colour>> >
-		<span class="tc-tag-label tc-tag-list-item tc-small-gap-right"
-			data-tag-title=<<currentTiddler>>
-			style=`color:$(foregroundColor)$; background-color:$(backgroundColor)$; --tp-remove-tag-button-color:$(foregroundColor)$`
+<$let foregroundColor=<<contrastcolour target=<<colour>> fallbackTarget=<<fallbackTarget>> colourA=<<colourA>> colourB=<<colourB>> >>
+	backgroundColor=<<colour>>  
+>  
+	<span class="tc-tag-label tc-tag-list-item tc-small-gap-right"
+		data-tag-title=<<currentTiddler>>
+		style=`color:$(foregroundColor)$; fill:$(foregroundColor)$; background-color:$(backgroundColor)$;`
+	>
+		<$transclude tiddler=<<icon>>/>
+		<$view field="title" format="text"/>
+		<$button class="tc-btn-invisible tc-remove-tag-button"
+			style.fill=<<foregroundColor>>
 		>
-			<$transclude tiddler=<<icon>>/>
-			<$view field="title" format="text"/>
-			<$button class="tc-btn-invisible tc-remove-tag-button">
-				<$action-listops $tiddler=<<saveTiddler>> $field=<<tagField>> $subfilter="-[{!!title}]"/>
-				{{$:/core/images/close-button}}
-			</$button>
-		</span>
-	</$let>
-</$wikify>
+			<$action-listops $tiddler=<<saveTiddler>> $field=<<tagField>> $subfilter="-[{!!title}]"/>
+			{{$:/core/images/close-button}}
+		</$button>
+	</span>
+</$let>
 \end
 
 \procedure tag-body(colour,palette,icon,tagField:"tags")
@@ -46,7 +41,7 @@ tags: $:/tags/EditTemplate
 	<$list filter="[<currentTiddler>get<tagField>enlist-input[]sort[title]]" storyview="pop">
 		<$macrocall $name="tag-body"
 			colour={{{ [<currentTiddler>] :cascade[all[shadows+tiddlers]tag[$:/tags/TiddlerColourFilter]!is[draft]get[text]] }}}
-			palette={{$:/palette}}
+			palette="$:/temp/palette-colours"
 			icon={{{ [<currentTiddler>] :cascade[all[shadows+tiddlers]tag[$:/tags/TiddlerIconFilter]!is[draft]get[text]] }}}
 			tagField=<<tagField>>
 		/>

core/ui/PaletteEditor.tid

@@ -0,0 +1,105 @@
+title: $:/PaletteEditor
+
+\define lingo-base() $:/language/ControlPanel/Palette/Editor/
+\define describePaletteColour(colour)
+<$transclude tiddler="$:/language/Docs/PaletteColours/$colour$"><$text text="$colour$"/></$transclude>
+\end
+\define edit-colour-placeholder()
+ edit $(colourName)$
+\end
+\define colour-tooltip(showhide) $showhide$ editor for $(newColourName)$ 
+
+\define resolve-colour(macrocall)
+\import $:/core/macros/utils
+\whitespace trim
+<$wikify name="name" text="""$macrocall$""">
+<<name>>
+</$wikify>
+\end
+
+\define delete-colour-index-actions() <$action-setfield $index=<<colourName>>/>
+\define palette-manager-colour-row-segment()
+\whitespace trim
+<$edit-text index=<<colourName>> tag="input" placeholder=<<edit-colour-placeholder>> default=""/>
+<br>
+<$edit-text index=<<colourName>> type="color" tag="input" class="tc-palette-manager-colour-input"/>
+<$list filter="[<currentTiddler>getindex<colourName>removeprefix[<<]removesuffix[>>]] [<currentTiddler>getindex<colourName>removeprefix[<$]removesuffix[/>]]" variable="ignore">
+<$set name="state" value={{{ [[$:/state/palettemanager/]addsuffix<currentTiddler>addsuffix[/]addsuffix<colourName>] }}}>
+<$wikify name="newColourName" text="""<$macrocall $name="resolve-colour" macrocall={{{ [<currentTiddler>getindex<colourName>] }}}/>""">
+<$reveal state=<<state>> type="nomatch" text="show">
+<$button tooltip=<<colour-tooltip show>> aria-label=<<colour-tooltip show>> class="tc-btn-invisible" set=<<state>> setTo="show">{{$:/core/images/down-arrow}}<$text text=<<newColourName>> class="tc-small-gap-left"/></$button><br>
+</$reveal>
+<$reveal state=<<state>> type="match" text="show">
+<$button tooltip=<<colour-tooltip hide>> aria-label=<<colour-tooltip show>> class="tc-btn-invisible" actions="""<$action-deletetiddler $tiddler=<<state>>/>""">{{$:/core/images/up-arrow}}<$text text=<<newColourName>> class="tc-small-gap-left"/></$button><br>
+</$reveal>
+<$reveal state=<<state>> type="match" text="show">
+<$set name="colourName" value=<<newColourName>>>
+<br>
+<<palette-manager-colour-row-segment>>
+<br><br>
+</$set>
+</$reveal>
+</$wikify>
+</$set>
+</$list>
+\end
+
+\define palette-manager-colour-row()
+\whitespace trim
+<tr>
+<td>
+<span style="float:right;">
+<$button tooltip={{$:/language/ControlPanel/Palette/Editor/Delete/Hint}} aria-label={{$:/language/ControlPanel/Palette/Editor/Delete/Hint}} class="tc-btn-invisible" actions=<<delete-colour-index-actions>>>
+{{$:/core/images/delete-button}}</$button>
+</span>
+''<$macrocall $name="describePaletteColour" colour=<<colourName>>/>''<br/>
+<$macrocall $name="colourName" $output="text/plain"/>
+<%if [<layerTitle>getindex<colourName>] %>
+<br/><em><<lingo Customised/Entry>></em>
+<%endif%>
+</td>
+<td>
+<<palette-manager-colour-row-segment>>
+</td>
+</tr>
+\end
+
+\define palette-manager-table()
+\whitespace trim
+<table>
+<tbody>
+<$set name="colorList" filter="[{$:/state/palettemanager/showexternal}match[yes]]"
+   value="[all[shadows+tiddlers]tag[$:/tags/Palette]indexes[]]" emptyValue="[<currentTiddler>indexes[]]">
+<$list filter=<<colorList>> variable="colourName"> <<palette-manager-colour-row>> </$list>
+</$set>
+</tbody>
+</table>
+\end
+\whitespace trim
+<$set name="currentTiddler" value={{$:/palette}}>
+<$let layerTitle={{{ [function[tf.palette-customisations-layer]] }}}>
+
+<<lingo Prompt>>&#32;<$link to={{$:/palette}}><$macrocall $name="currentTiddler" $output="text/plain"/></$link>
+
+<$list filter="[function[tf.palette-customisations-layer]is[tiddler]]" variable="listItem">
+<<lingo Customised/Prompt>>
+&#32;
+<$button actions="""<$action-deletetiddler $tiddler=<<layerTitle>>/>""">{{$:/language/ControlPanel/Palette/Customisations/Reset/Caption}}</$button>
+</$list>
+
+<$list filter="[all[current]is[shadow]is[tiddler]]" variable="listItem">
+<<lingo Prompt/Modified>>
+&#32;
+<$button message="tm-delete-tiddler" param={{$:/palette}}><<lingo Reset/Caption>></$button>
+</$list>
+
+<$list filter="[all[current]is[shadow]!is[tiddler]]" variable="listItem">
+<<lingo Clone/Prompt>>
+</$list>
+
+<$button message="tm-new-tiddler" param={{$:/palette}}><<lingo Clone/Caption>></$button>
+
+<$checkbox tiddler="$:/state/palettemanager/showexternal" field="text" checked="yes" unchecked="no"><span class="tc-small-gap-left"><<lingo Names/External/Show>></span></$checkbox>
+
+<<palette-manager-table>>
+</$let>

core/ui/PaletteManager.tid

@@ -1,94 +1,50 @@
 title: $:/PaletteManager
 
-\define lingo-base() $:/language/ControlPanel/Palette/Editor/
-\define describePaletteColour(colour)
-<$transclude tiddler="$:/language/Docs/PaletteColours/$colour$"><$text text="$colour$"/></$transclude>
-\end
-\define edit-colour-placeholder()
- edit $(colourName)$
-\end
-\define colour-tooltip(showhide) $showhide$ editor for $(newColourName)$ 
+\define lingo-base() $:/language/ControlPanel/Palette/
 
-\define resolve-colour(macrocall)
-\import $:/core/macros/utils
-\whitespace trim
-<$wikify name="name" text="""$macrocall$""">
-<<name>>
-</$wikify>
-\end
+<!-- Used by the language string Customisations/Prompt -->
+\procedure palette-link()
+<$tiddler tiddler={{$:/palette}}>
+	<$link to={{!!title}}>
+		<$view field="name" format="text">
+			<$view field="title" format="text"/>
+		</$view>
+	</$link>
+</$tiddler>
+\end palette-link
+
+<$transclude $tiddler="$:/snippets/paletteswitcher" thumbnails="yes"/>
+
+{{$:/snippets/palettetests}}
+
+<$let
+	resolvedPalette={{{ [{$:/palette}is[tiddler]] [{$:/palette}is[shadow]] :else[[$:/palettes/Vanilla]] }}}
+	paletteCustomisations={{{ [<resolvedPalette>get[customisations]] :else[[$:/temp/palette-consolidated]get[customisations]] }}}
+	layerTitle={{{ [function[tf.palette-customisations-layer]] }}}
+>
+	<%if [<paletteCustomisations>!match[]] %>
+		<div>
+			<<lingo Customisations/Prompt>>
+			<$transclude $tiddler=<<paletteCustomisations>> $mode="block"/>
+		</div>
+	<%endif%>
+	<%if [<layerTitle>is[tiddler]] %>
+		<div>
+			<$button actions="""<$action-deletetiddler $tiddler=<<layerTitle>>/>"""><<lingo Customisations/Reset/Caption>></$button>
+		</div>
+	<%endif%>
+</$let>
+
+<$reveal type="nomatch" state="$:/state/ShowPaletteEditor" text="yes">
+
+<$button set="$:/state/ShowPaletteEditor" setTo="yes"><<lingo ShowEditor/Caption>></$button>
 
-\define delete-colour-index-actions() <$action-setfield $index=<<colourName>>/>
-\define palette-manager-colour-row-segment()
-\whitespace trim
-<$edit-text index=<<colourName>> tag="input" placeholder=<<edit-colour-placeholder>> default=""/>
-<br>
-<$edit-text index=<<colourName>> type="color" tag="input" class="tc-palette-manager-colour-input"/>
-<$list filter="[<currentTiddler>getindex<colourName>removeprefix[<<]removesuffix[>>]] [<currentTiddler>getindex<colourName>removeprefix[<$]removesuffix[/>]]" variable="ignore">
-<$set name="state" value={{{ [[$:/state/palettemanager/]addsuffix<currentTiddler>addsuffix[/]addsuffix<colourName>] }}}>
-<$wikify name="newColourName" text="""<$macrocall $name="resolve-colour" macrocall={{{ [<currentTiddler>getindex<colourName>] }}}/>""">
-<$reveal state=<<state>> type="nomatch" text="show">
-<$button tooltip=<<colour-tooltip show>> aria-label=<<colour-tooltip show>> class="tc-btn-invisible" set=<<state>> setTo="show">{{$:/core/images/down-arrow}}<$text text=<<newColourName>> class="tc-small-gap-left"/></$button><br>
 </$reveal>
-<$reveal state=<<state>> type="match" text="show">
-<$button tooltip=<<colour-tooltip hide>> aria-label=<<colour-tooltip show>> class="tc-btn-invisible" actions="""<$action-deletetiddler $tiddler=<<state>>/>""">{{$:/core/images/up-arrow}}<$text text=<<newColourName>> class="tc-small-gap-left"/></$button><br>
+
+<$reveal type="match" state="$:/state/ShowPaletteEditor" text="yes">
+
+<$button set="$:/state/ShowPaletteEditor" setTo="no"><<lingo HideEditor/Caption>></$button>
+{{$:/PaletteEditor}}
+
 </$reveal>
-<$reveal state=<<state>> type="match" text="show">
-<$set name="colourName" value=<<newColourName>>>
-<br>
-<<palette-manager-colour-row-segment>>
-<br><br>
-</$set>
-</$reveal>
-</$wikify>
-</$set>
-</$list>
-\end
 
-\define palette-manager-colour-row()
-\whitespace trim
-<tr>
-<td>
-<span style="float:right;">
-<$button tooltip={{$:/language/ControlPanel/Palette/Editor/Delete/Hint}} aria-label={{$:/language/ControlPanel/Palette/Editor/Delete/Hint}} class="tc-btn-invisible" actions=<<delete-colour-index-actions>>>
-{{$:/core/images/delete-button}}</$button>
-</span>
-''<$macrocall $name="describePaletteColour" colour=<<colourName>>/>''<br/>
-<$macrocall $name="colourName" $output="text/plain"/>
-</td>
-<td>
-<<palette-manager-colour-row-segment>>
-</td>
-</tr>
-\end
-
-\define palette-manager-table()
-\whitespace trim
-<table>
-<tbody>
-<$set name="colorList" filter="[{$:/state/palettemanager/showexternal}match[yes]]"
-   value="[all[shadows+tiddlers]tag[$:/tags/Palette]indexes[]]" emptyValue="[<currentTiddler>indexes[]]">
-<$list filter=<<colorList>> variable="colourName"> <<palette-manager-colour-row>> </$list>
-</$set>
-</tbody>
-</table>
-\end
-\whitespace trim
-<$set name="currentTiddler" value={{$:/palette}}>
-
-<<lingo Prompt>>&#32;<$link to={{$:/palette}}><$macrocall $name="currentTiddler" $output="text/plain"/></$link>
-
-<$list filter="[all[current]is[shadow]is[tiddler]]" variable="listItem">
-<<lingo Prompt/Modified>>
-&#32;
-<$button message="tm-delete-tiddler" param={{$:/palette}}><<lingo Reset/Caption>></$button>
-</$list>
-
-<$list filter="[all[current]is[shadow]!is[tiddler]]" variable="listItem">
-<<lingo Clone/Prompt>>
-</$list>
-
-<$button message="tm-new-tiddler" param={{$:/palette}}><<lingo Clone/Caption>></$button>
-
-<$checkbox tiddler="$:/state/palettemanager/showexternal" field="text" checked="yes" unchecked="no"><span class="tc-small-gap-left"><<lingo Names/External/Show>></span></$checkbox>
-
-<<palette-manager-table>>

core/ui/Palettes/Preview/Alert.tid

@@ -0,0 +1,19 @@
+title: $:/core/ui/Palettes/Preview/Alert
+tags: $:/tags/Preview/Page
+
+\whitespace trim
+<div class="tc-palette-preview-thumbnail-alert" style.background-color=<<colour alert-background>>>
+	<div class="tc-palette-preview-thumbnail-alert-border" style.border-color=<<colour alert-border>>>
+		<div style.color=<<colour foreground>>>
+			<div class="tc-palette-preview-thumbnail-alert-subtitle" style.color=<<colour alert-muted-foreground>>>
+				Lorem Ipsum
+				<div class="tc-palette-preview-thumbnail-alert-highlight" style.color=<<colour alert-highlight>>>
+					(Count: 1)
+				</div>
+			</div>
+			<div class="tc-palette-preview-thumbnail-alert-body">
+				Lorem Ipsum Dolor Sit Amet Consectetur Adipiscing Elit Sed Do Eiusmod Tempor Incididunt.
+			</div>
+		</div>
+	</div>
+</div>

core/ui/Palettes/Preview/Helpers.tid

@@ -0,0 +1,55 @@
+title: $:/core/ui/Palettes/Preview/Helpers
+tags: $:/tags/Preview/Helpers
+
+\whitespace trim
+
+\procedure palette-preview-component-list(tag)
+<$list filter="[all[shadows+tiddlers]tag<tag>!has[draft.of]]" variable="componentTitle">
+	<$transclude $tiddler=<<componentTitle>> title=<<title>>/>
+</$list>
+\end palette-preview-component-list
+
+\procedure tab-set(tabTitles,colourPrefix:"")
+	<div class="tc-palette-preview-thumbnail-tab-set">
+		<div class="tc-palette-preview-thumbnail-tab-buttons">
+			<$list filter="[enlist<tabTitles>]" variable="tabTitle" counter="tabIndex">
+				<%if [<tabIndex>match[1]] %>
+					<span
+						class="tc-palette-preview-thumbnail-tab-button"
+						style.border-color={{{ [<colourPrefix>addsuffix[tab-border-selected]] :map[function[colour],<currentTiddler>] }}}
+						style.color={{{ [<colourPrefix>addsuffix[tab-foreground-selected]] :map[function[colour],<currentTiddler>] }}}
+						style.background-color={{{ [<colourPrefix>addsuffix[tab-background-selected]] :map[function[colour],<currentTiddler>] }}}
+					>
+						<$text text=<<tabTitle>>/>
+					</span>
+				<%else%>
+					<span
+						class="tc-palette-preview-thumbnail-tab-button"
+						style.border-color={{{ [<colourPrefix>addsuffix[tab-border]] :map[function[colour],<currentTiddler>] }}}
+						style.color={{{ [<colourPrefix>addsuffix[tab-foreground]] :map[function[colour],<currentTiddler>] }}}
+						style.background-color={{{ [<colourPrefix>addsuffix[tab-background]] :map[function[colour],<currentTiddler>] }}}
+					>
+						<$text text=<<tabTitle>>/>
+					</span>
+				<%endif%>
+			</$list>
+		</div>
+		<div
+			class="tc-palette-preview-thumbnail-tab-divider"
+			style.border-color={{{ [<colourPrefix>addsuffix[tab-divider]] :map[function[colour],<currentTiddler>] }}}
+		>
+		</div>
+	</div>
+\end tab-set
+
+\procedure link(text)
+<span class="tc-palette-preview-thumbnail-tiddler-link" style.color=<<colour primary>>>
+	<$text text=<<text>>/>
+</span>
+\end link
+
+\procedure sidebar-link(text)
+<span class="tc-palette-preview-thumbnail-tiddler-link" style.color=<<colour sidebar-tiddler-link-foreground>>>
+	<$text text=<<text>>/>
+</span>
+\end sidebar-link

core/ui/Palettes/Preview/Notification.tid

@@ -0,0 +1,11 @@
+title: $:/core/ui/Palettes/Preview/Notification
+tags: $:/tags/Preview/PageOptional
+
+\whitespace trim
+<div class="tc-palette-preview-thumbnail-notification" style.background-color=<<colour notification-background>>>
+	<div class="tc-palette-preview-thumbnail-notification-border" style.border-color=<<colour notification-border>>>
+		<div class="tc-palette-preview-thumbnail-notification-body" style.color=<<colour foreground>>>
+			Lorem Ipsum Dolor Sit Amet Consectetur
+		</div>
+	</div>
+</div>

core/ui/Palettes/Preview/SideBar/Search.tid

@@ -0,0 +1,8 @@
+title: $:/core/ui/Palettes/Preview/Sidebar/Search
+tags: $:/tags/Preview/SideBar
+
+\whitespace trim
+<div class="tc-palette-preview-thumbnail-sidebar-search" style.background-color=<<colour background>>>
+	<div class="tc-palette-preview-thumbnail-sidebar-search-box">
+	</div>
+</div>

core/ui/Palettes/Preview/SideBar/Subtitle.tid

@@ -0,0 +1,7 @@
+title: $:/core/ui/Palettes/Preview/Sidebar/Subtitle
+tags: $:/tags/Preview/SideBar
+
+\whitespace trim
+<div class="tc-palette-preview-thumbnail-sidebar-subtitle">
+	a non-linear personal web notebook
+</div>

core/ui/Palettes/Preview/SideBar/Tabs.tid

@@ -0,0 +1,18 @@
+title: $:/core/ui/Palettes/Preview/Sidebar/Tabs
+tags: $:/tags/Preview/SideBar
+
+\whitespace trim
+
+\procedure recent-links()
+HelloThere Community Portal GettingStarted Development Download Filters Palettes Plugins Macros Templates Themes Stylesheets SystemTiddlers
+\end recent-links
+
+<<tab-set "Magna Placerat Ligula Imperdiet" "sidebar-">>
+
+<div class="tc-palette-preview-thumbnail-sidebar-list">
+	<$list filter="[enlist<recent-links>]">
+		<div>
+			<$transclude $variable="sidebar-link" text=<<currentTiddler>>/>
+		</div>
+	</$list>
+</div>

core/ui/Palettes/Preview/SideBar/Title.tid

@@ -0,0 +1,7 @@
+title: $:/core/ui/Palettes/Preview/Sidebar/Title
+tags: $:/tags/Preview/SideBar
+
+\whitespace trim
+<div class="tc-palette-preview-thumbnail-sidebar-title" style.color=<<colour site-title-foreground>>>
+	~TiddlyWiki
+</div>

core/ui/Palettes/Preview/Sidebar.tid

@@ -0,0 +1,7 @@
+title: $:/core/ui/Palettes/Preview/SideBar
+tags: $:/tags/Preview/Page
+
+\whitespace trim
+<div class="tc-palette-preview-thumbnail-sidebar" style.color=<<colour sidebar-foreground>>>
+	<<palette-preview-component-list "$:/tags/Preview/SideBar">>
+</div>

core/ui/Palettes/Preview/Story.tid

@@ -0,0 +1,9 @@
+title: $:/core/ui/Palettes/Preview/Story
+tags: $:/tags/Preview/Page
+
+\whitespace trim
+<div class="tc-palette-preview-thumbnail-story">
+	<$list filter="HelloThere GettingStarted" variable="title">
+		<<palette-preview-component-list "$:/tags/Preview/Story">>
+	</$list>
+</div>

core/ui/Palettes/Preview/Tiddler.tid

@@ -0,0 +1,10 @@
+title: $:/core/ui/Palettes/Preview/Tiddler
+tags: $:/tags/Preview/Story
+
+\parameters (title)
+\whitespace trim
+<div class="tc-palette-preview-thumbnail-tiddler-border" style.border-color=<<colour tiddler-border>>>
+	<div class="tc-palette-preview-thumbnail-tiddler" style.background-color=<<colour tiddler-background>>>
+		<<palette-preview-component-list "$:/tags/Preview/Tiddler">>
+	</div>
+</div>

core/ui/Palettes/Preview/Tiddler/Body.tid

@@ -0,0 +1,15 @@
+title: $:/core/ui/Palettes/Preview/Tiddler/Body
+tags: $:/tags/Preview/Tiddler
+
+\whitespace trim
+
+<div class="tc-palette-preview-thumbnail-tiddler-body" style.color=<<colour foreground>>>
+	<%if [<title>match[HelloThere]] %>
+		Lorem ipsum dolor sit amet, <<link "consectetur adipiscing elit">>. Cras non arcu ultricies, egestas odio tempus, vestibulum ipsum. Praesent diam lorem, elementum in venenatis eget, tincidunt quis lacus. Class aptent taciti sociosqu ad litora torquent per conubia nostra, per inceptos himenaeos. Etiam efficitur velit tortor, sit amet tristique felis viverra sit amet. <<link "Nullam posuere facilisis purus sed">> consectetur. Integer vel elit euismod, posuere ligula et, dictum tellus. Donec in odio diam. Sed metus magna, placerat at ligula et, imperdiet sagittis ex.
+	<%else%>
+		Lorem ipsum dolor sit amet, consectetur adipiscing elit.
+		<<tab-set "Sed Metus Magna Placerat Ligula Imperdiet">>
+		Lorem ipsum dolor sit amet, consectetur adipiscing elit. Cras non arcu ultricies, egestas odio tempus, vestibulum ipsum. Praesent diam lorem, elementum in venenatis eget, tincidunt quis lacus. Class aptent taciti sociosqu ad litora torquent per conubia nostra, per inceptos himenaeos.
+	<%endif%>
+</div>
+

core/ui/Palettes/Preview/Tiddler/Header.tid

@@ -0,0 +1,14 @@
+title: $:/core/ui/Palettes/Preview/Tiddler/Header
+tags: $:/tags/Preview/Tiddler
+
+\whitespace trim
+<div class="tc-palette-preview-thumbnail-tiddler-header">
+	<div class="tc-palette-preview-thumbnail-tiddler-title" style.color=<<colour tiddler-title-foreground>>>
+		<$text text=<<title>>/>
+	</div>
+	<div class="tc-palette-preview-thumbnail-tiddler-toolbar" style.fill=<<colour tiddler-controls-foreground>>>
+		{{$:/core/images/down-arrow}}
+		{{$:/core/images/edit-button}}
+		{{$:/core/images/close-button}}
+	</div>
+</div>

core/ui/Palettes/Preview/Tiddler/Subtitle.tid

@@ -0,0 +1,7 @@
+title: $:/core/ui/Palettes/Preview/Tiddler/Subtitle
+tags: $:/tags/Preview/Tiddler
+
+\whitespace trim
+<div class="tc-palette-preview-thumbnail-tiddler-subtitle" style.color=<<colour tiddler-subtitle-foreground>>>
+	Motovun Jack
+</div>

core/ui/Palettes/ViewTemplate/ViewTemplateBody.tid

@@ -0,0 +1,11 @@
+title: $:/core/ui/Palettes/ViewTemplateBody
+
+<div style.width="220px">
+
+{{||$:/snippets/currpalettepreview}}
+
+</div>
+
+''<$view field="name" format="text"/>''
+<br>
+<$view field="description" format="text"/>

core/ui/TagPickerTagTemplate.tid

@@ -16,15 +16,13 @@ title: $:/core/ui/TagPickerTagTemplate
 	<$set name="backgroundColor"
 		value={{{ [<currentTiddler>] :cascade[all[shadows+tiddlers]tag[$:/tags/TiddlerColourFilter]!is[draft]get[text]] }}}
 	>
-		<$wikify name="foregroundColor"
-			text="""<$macrocall $name="contrastcolour" target=<<backgroundColor>> fallbackTarget=<<fallbackTarget>> colourA=<<colourA>> colourB=<<colourB>>/>"""
-		>
+		<$let foregroundColor=<<contrastcolour target=<<backgroundColor>> fallbackTarget=<<fallbackTarget>> colourA=<<colourA>> colourB=<<colourB>> >> >
 			<span class="tc-tag-label tc-btn-invisible"
 				style=<<tag-pill-styles>>
 				data-tag-title=<<currentTiddler>>
 			>
 				{{||$:/core/ui/TiddlerIcon}}<$view field="title" format="text"/>
 			</span>
-		</$wikify>
+		</$let>
 	</$set>
 </$button>

core/ui/TagTemplate.tid

@@ -7,7 +7,6 @@ title: $:/core/ui/TagTemplate
 		tag=<<currentTiddler>>
 		icon={{{ [<currentTiddler>] :cascade[all[shadows+tiddlers]tag[$:/tags/TiddlerIconFilter]!is[draft]get[text]] }}}
 		colour={{{ [<currentTiddler>] :cascade[all[shadows+tiddlers]tag[$:/tags/TiddlerColourFilter]!is[draft]get[text]] }}}
-		palette={{$:/palette}}
 		element-tag="$button"
 		element-attributes="""popup=<<qualify "$:/state/popup/tag">> dragFilter="[subfilter{$:/core/config/TagPillDragFilter}]" tag='span'"""
 	/>

core/ui/ViewTemplate/title.tid

@@ -2,7 +2,7 @@ title: $:/core/ui/ViewTemplate/title
 tags: $:/tags/ViewTemplate
 
 \whitespace trim
-\define title-styles() color:$(foregroundColor)$;
+\define title-styles() fill:$(foregroundColor)$;
 
 <div class="tc-tiddler-title tc-clearfix">
 	<div class="tc-titlebar">

core/ui/ViewToolbar/new-journal-here.tid

@@ -6,7 +6,6 @@ description: {{$:/language/Buttons/NewJournalHere/Hint}}
 \whitespace trim
 \procedure journalButton()
 <$button tooltip={{$:/language/Buttons/NewJournalHere/Hint}} aria-label={{$:/language/Buttons/NewJournalHere/Caption}} class=<<tv-config-toolbar-class>>>
-<$wikify name="journalTitle" text="""<$transclude $variable="now" format=<<journalTitleTemplate>>/>""">
 <$action-sendmessage $message="tm-new-tiddler" title=<<journalTitle>> tags=`[[$(currentTiddlerTag)$]] $(journalTags)$`/>
 <%if [<tv-config-toolbar-icons>match[yes]] %>
 {{$:/core/images/new-journal-button}}
@@ -16,9 +15,11 @@ description: {{$:/language/Buttons/NewJournalHere/Hint}}
 <$text text={{$:/language/Buttons/NewJournalHere/Caption}}/>
 </span>
 <%endif%>
-</$wikify>
 </$button>
 \end
-<$let journalTitleTemplate={{$:/config/NewJournal/Title}} journalTags={{$:/config/NewJournal/Tags}} currentTiddlerTag=<<currentTiddler>>>
+<$let journalTitle=<<now format={{$:/config/NewJournal/Title}}>>
+	journalTags={{$:/config/NewJournal/Tags}}
+	currentTiddlerTag=<<currentTiddler>>  
+>
 <<journalButton>>
 </$let>

core/ui/WikiInformation.tid

@@ -17,6 +17,10 @@ This page summarises high level information about the configuration of this ~Tid
 Drag this link to copy this tool to another wiki
 \end intrinsic-lingo-Drag/Caption
 
+\procedure intrinsic-lingo-Generate/Caption()
+Click to generate wiki information report
+\end intrinsic-lingo-Generate/Caption
+
 \procedure lingo(title,mode:"inline")
 <%if [<title>addprefix<lingo-base>is[shadow]] %>
 	<$transclude $tiddler={{{ [<title>addprefix<lingo-base>] }}} $mode=<<mode>>/>
@@ -105,7 +109,7 @@ Drag this link to copy this tool to another wiki
 
 <$button>
 <<display-wiki-info-modal>>
-Click to generate wiki information report
+<<lingo title:"Generate/Caption">>
 </$button>
 
 <$link to="$:/core/ui/ControlPanel/WikiInformation">

core/wiki/background-actions/AutoCompilePalette.tid

@@ -0,0 +1,7 @@
+title: $:/core/background-actions/AutoCompilePalette
+tags: $:/tags/BackgroundAction $:/tags/StartupAction
+platforms: browser
+track-filter: [{$:/palette}get[color-scheme]] :map[subfilter<currentTiddler>] [{$:/palette}changecount[]addprefix{$:/palette}] [[$:/palette]changecount[]] =[all[shadows+tiddlers]tag[$:/tags/Palette]changecount[]] =[all[shadows+tiddlers]tag[$:/tags/BackgroundPalette]changecount[]] =[all[tiddlers]prefix[$:/config/PaletteCustomisations/]changecount[]]
+
+\import [subfilter{$:/core/config/GlobalImportFilter}]
+<<actions-recompile-current-palette>>

core/wiki/config/OfficialPluginLibrary.tid

@@ -1,6 +1,6 @@
 title: $:/config/OfficialPluginLibrary
 tags: $:/tags/PluginLibrary
-url: https://tiddlywiki.com/library/v5.4.0/index.html
+url: https://tiddlywiki.com/library/v5.5.0/index.html
 caption: {{$:/language/OfficialPluginLibrary}}
 
 {{$:/language/OfficialPluginLibrary/Hint}}

core/wiki/config/ViewTemplateBodyFilters.multids

@@ -10,4 +10,5 @@ code-body: [field:code-body[yes]then[$:/core/ui/ViewTemplate/body/code]]
 import: [field:plugin-type[import]then[$:/core/ui/ViewTemplate/body/import]]
 plugin: [has[plugin-type]then[$:/core/ui/ViewTemplate/body/plugin]]
 hide-body: [field:hide-body[yes]then[$:/core/ui/ViewTemplate/body/blank]]
+palette: [tag[$:/tags/Palette]then[$:/core/ui/Palettes/ViewTemplateBody]]
 default: [[$:/core/ui/ViewTemplate/body/default]]

core/wiki/currpalettepreview.tid

@@ -1,52 +1,12 @@
 title: $:/snippets/currpalettepreview
 
-\define resolve-colour(macrocall)
-\import $:/core/macros/utils
 \whitespace trim
-<$wikify name="name" text="""$macrocall$""">
-<<name>>
-</$wikify>
-\end
-\define swatchStyle()
-background-color: $(swatchColour)$;
-\end
-\define swatch-inner()
-\whitespace trim
-<$set name="swatchColour" value={{##$(colourResolved)$}}>
-<$list filter="[<swatchColour>!prefix[<<colour ]!suffix[>>]]" variable="ignore">
-<div class="tc-swatch" style=<<swatchStyle>> title=<<swatchTitle>>/>
-&#32;
-</$list>
-<$list filter="[<swatchColour>prefix[<<colour ]suffix[>>]]" variable="ignore">
-<$wikify name="colourResolved" text="<$macrocall $name='resolve-colour' macrocall=<<swatchColour>>/>">
-<<swatch-inner>>
-</$wikify>
-</$list>
-</$set>
-\end
-\define swatch()
-\whitespace trim
-<$set name="swatchColour" value={{##$(colour)$}}>
-<$set name="swatchTitle" value=<<colour>>>
-<$list filter="[<swatchColour>!prefix[<<colour ]!suffix[>>]]" variable="ignore">
-<div class="tc-swatch" style=<<swatchStyle>> title=<<swatchTitle>>/>
-&#32;
-</$list>
-<$list filter="[<swatchColour>prefix[<<colour ]suffix[>>]]" variable="ignore">
-<$wikify name="colourResolved" text="<$macrocall $name='resolve-colour' macrocall=<<swatchColour>>/>">
-<<swatch-inner>>
-</$wikify>
-</$list>
-</$set>
-</$set>
-\end
-\whitespace trim
-<div class="tc-swatches-horiz"><$list filter="
-foreground
-background
-muted-foreground
-primary
-page-background
-tab-background
-tiddler-info-background
-" variable="colour"><<swatch>></$list></div>
+
+\import [all[shadows+tiddlers]tag[$:/tags/Preview/Helpers]!is[draft]sort[title]]
+
+<!-- currentTiddler is the palette to use -->
+<$palette.preview paletteTitle=<<currentTiddler>>>
+	<div class="tc-palette-preview-thumbnail" style.background-color=<<colour page-background>>>
+		<<palette-preview-component-list tag:"$:/tags/Preview/Page">>
+	</div>
+</$palette.preview>