Split the tests for clarity

* docs: changenotes for previously merged PRs

* fix: added text field for changenotes

core-server/utils/escapecss.js

@@ -0,0 +1,95 @@
+/*\
+title: $:/core-server/modules/utils/escapecss.js
+type: application/javascript
+module-type: utils-node
+
+Provides CSS.escape() functionality.
+
+\*/
+
+"use strict";
+
+exports.escapeCSS = (function() {
+	// see also https://drafts.csswg.org/cssom/#serialize-an-identifier
+
+	/* eslint-disable */
+	/*! https://mths.be/cssescape v1.5.1 by @mathias | MIT license */
+	return function(value) {
+		if (arguments.length == 0) {
+			throw new TypeError('`CSS.escape` requires an argument.');
+		}
+		var string = String(value);
+		var length = string.length;
+		var index = -1;
+		var codeUnit;
+		var result = '';
+		var firstCodeUnit = string.charCodeAt(0);
+		while (++index < length) {
+			codeUnit = string.charCodeAt(index);
+			// Note: there’s no need to special-case astral symbols, surrogate
+			// pairs, or lone surrogates.
+
+			// If the character is NULL (U+0000), then the REPLACEMENT CHARACTER
+			// (U+FFFD).
+			if (codeUnit == 0x0000) {
+				result += '\uFFFD';
+				continue;
+			}
+
+			if (
+				// If the character is in the range [\1-\1F] (U+0001 to U+001F) or is
+				// U+007F, […]
+				(codeUnit >= 0x0001 && codeUnit <= 0x001F) || codeUnit == 0x007F ||
+				// If the character is the first character and is in the range [0-9]
+				// (U+0030 to U+0039), […]
+				(index == 0 && codeUnit >= 0x0030 && codeUnit <= 0x0039) ||
+				// If the character is the second character and is in the range [0-9]
+				// (U+0030 to U+0039) and the first character is a `-` (U+002D), […]
+				(
+					index == 1 &&
+					codeUnit >= 0x0030 && codeUnit <= 0x0039 &&
+					firstCodeUnit == 0x002D
+				)
+			) {
+				// https://drafts.csswg.org/cssom/#escape-a-character-as-code-point
+				result += '\\' + codeUnit.toString(16) + ' ';
+				continue;
+			}
+
+			if (
+				// If the character is the first character and is a `-` (U+002D), and
+				// there is no second character, […]
+				index == 0 &&
+				length == 1 &&
+				codeUnit == 0x002D
+			) {
+				result += '\\' + string.charAt(index);
+				continue;
+			}
+
+			// If the character is not handled by one of the above rules and is
+			// greater than or equal to U+0080, is `-` (U+002D) or `_` (U+005F), or
+			// is in one of the ranges [0-9] (U+0030 to U+0039), [A-Z] (U+0041 to
+			// U+005A), or [a-z] (U+0061 to U+007A), […]
+			if (
+				codeUnit >= 0x0080 ||
+				codeUnit == 0x002D ||
+				codeUnit == 0x005F ||
+				codeUnit >= 0x0030 && codeUnit <= 0x0039 ||
+				codeUnit >= 0x0041 && codeUnit <= 0x005A ||
+				codeUnit >= 0x0061 && codeUnit <= 0x007A
+			) {
+				// the character itself
+				result += string.charAt(index);
+				continue;
+			}
+
+			// Otherwise, the escaped character.
+			// https://drafts.csswg.org/cssom/#escape-a-character
+			result += '\\' + string.charAt(index);
+
+		}
+		return result;
+	};
+	/* eslint-enable */
+})();

core/language/en-GB/Misc.multids

@@ -1,5 +1,6 @@
 title: $:/language/
 
+Alerts: Alerts
 AboveStory/ClassicPlugin/Warning: It looks like you are trying to load a plugin designed for ~TiddlyWiki Classic. Please note that [[these plugins do not work with TiddlyWiki version 5.x.x|https://tiddlywiki.com/#TiddlyWikiClassic]]. ~TiddlyWiki Classic plugins detected:
 BinaryWarning/Prompt: This tiddler contains binary data
 ClassicWarning/Hint: This tiddler is written in TiddlyWiki Classic wiki text format, which is not fully compatible with TiddlyWiki version 5. See https://tiddlywiki.com/static/Upgrading.html for more details.

core/modules/filters/strings.js

@@ -37,14 +37,14 @@ exports.trim = function(source,operator,options) {
 		operand = (operator.operand || ""),
 		fnCalc;
 	if(suffix === "prefix") {
-		fnCalc = function(a,b) {return [$tw.utils.trimPrefix(a,b)];}
+		fnCalc = function(a,b) {return [$tw.utils.trimPrefix(a,b)];};
 	} else if(suffix === "suffix") {
-		fnCalc = function(a,b) {return [$tw.utils.trimSuffix(a,b)];}
+		fnCalc = function(a,b) {return [$tw.utils.trimSuffix(a,b)];};
 	} else {
 		if(operand === "") {
-			fnCalc = function(a) {return [$tw.utils.trim(a)];}
+			fnCalc = function(a) {return [$tw.utils.trim(a)];};
 		} else {
-			fnCalc = function(a,b) {return [$tw.utils.trimSuffix($tw.utils.trimPrefix(a,b),b)];}
+			fnCalc = function(a,b) {return [$tw.utils.trimSuffix($tw.utils.trimPrefix(a,b),b)];};
 		}
 	}
 	source(function(tiddler,title) {
@@ -80,9 +80,9 @@ exports.levenshtein = makeStringBinaryOperator(
 	}
 );
 
-// these two functions are adapted from https://github.com/google/diff-match-patch/wiki/Line-or-Word-Diffs
+// this function is adapted from https://github.com/google/diff-match-patch/wiki/Line-or-Word-Diffs
 function diffLineWordMode(text1,text2,mode) {
-	var a = diffPartsToChars(text1,text2,mode);
+	var a = $tw.utils.diffPartsToChars(text1,text2,mode);
 	var lineText1 = a.chars1;
 	var lineText2 = a.chars2;
 	var lineArray = a.lineArray;
@@ -91,56 +91,6 @@ function diffLineWordMode(text1,text2,mode) {
 	return diffs;
 }
 
-function diffPartsToChars(text1,text2,mode) {
-	var lineArray = [];
-	var lineHash = {};
-	lineArray[0] = "";
-
-	function diff_linesToPartsMunge_(text,mode) {
-		var chars = "";
-		var lineStart = 0;
-		var lineEnd = -1;
-		var lineArrayLength = lineArray.length,
-			regexpResult;
-		var searchRegexp = /\W+/g;
-		while(lineEnd < text.length - 1) {
-			if(mode === "words") {
-				regexpResult = searchRegexp.exec(text);
-				lineEnd = searchRegexp.lastIndex;
-				if(regexpResult === null) {
-					lineEnd = text.length;
-				}
-				lineEnd = --lineEnd;
-			} else {
-				lineEnd = text.indexOf("\n", lineStart);
-				if(lineEnd == -1) {
-					lineEnd = text.length - 1;
-				}
-			}
-			var line = text.substring(lineStart, lineEnd + 1);
-
-			if(lineHash.hasOwnProperty ? lineHash.hasOwnProperty(line) : (lineHash[line] !== undefined)) {
-				chars += String.fromCharCode(lineHash[line]);
-			} else {
-				if(lineArrayLength == maxLines) {
-					line = text.substring(lineStart);
-					lineEnd = text.length;
-				}
-				chars += String.fromCharCode(lineArrayLength);
-				lineHash[line] = lineArrayLength;
-				lineArray[lineArrayLength++] = line;
-			}
-			lineStart = lineEnd + 1;
-		}
-		return chars;
-	}
-	var maxLines = 40000;
-	var chars1 = diff_linesToPartsMunge_(text1,mode);
-	maxLines = 65535;
-	var chars2 = diff_linesToPartsMunge_(text2,mode);
-	return {chars1: chars1, chars2: chars2, lineArray: lineArray};
-};
-
 exports.makepatches = function(source,operator,options) {
 	var suffix = operator.suffix || "",
 		result = [];
@@ -275,7 +225,7 @@ exports.pad = function(source,operator,options) {
 		}
 	});
 	return results;
-}
+};
 
 exports.charcode = function(source,operator,options) {
 	var chars = [];

core/modules/parsers/imageparser.js

@@ -11,17 +11,16 @@ The image parser parses an image into an embeddable HTML element
 
 var ImageParser = function(type,text,options) {
 	var element = {
-			type: "element",
-			tag: "img",
-			attributes: {}
-		};
+		type: "image",
+		attributes: {}
+	};
 	if(options._canonical_uri) {
-		element.attributes.src = {type: "string", value: options._canonical_uri};
+		element.attributes.source = {type: "string", value: options._canonical_uri};
 	} else if(text) {
 		if(type === "image/svg+xml" || type === ".svg") {
-			element.attributes.src = {type: "string", value: "data:image/svg+xml," + encodeURIComponent(text)};
+			element.attributes.source = {type: "string", value: "data:image/svg+xml," + encodeURIComponent(text)};
 		} else {
-			element.attributes.src = {type: "string", value: "data:" + type + ";base64," + text};
+			element.attributes.source = {type: "string", value: "data:" + type + ";base64," + text};
 		}
 	}
 	this.tree = [element];

core/modules/utils/escapecss.js

@@ -1,7 +1,7 @@
 /*\
 title: $:/core/modules/utils/escapecss.js
 type: application/javascript
-module-type: utils
+module-type: utils-browser
 
 Provides CSS.escape() functionality.
 
@@ -9,92 +9,6 @@ Provides CSS.escape() functionality.
 
 "use strict";
 
-// TODO -- resolve this construction
 exports.escapeCSS = (function() {
-	// use browser's native CSS.escape() function if available
-	if ($tw.browser && window.CSS && window.CSS.escape) {
-		return window.CSS.escape;
-	}
-
-	// otherwise, a utility method is provided
-	// see also https://drafts.csswg.org/cssom/#serialize-an-identifier
-
-	/*! https://mths.be/cssescape v1.5.1 by @mathias | MIT license */
-	return function(value) {
-		if (arguments.length == 0) {
-			throw new TypeError('`CSS.escape` requires an argument.');
-		}
-		var string = String(value);
-		var length = string.length;
-		var index = -1;
-		var codeUnit;
-		var result = '';
-		var firstCodeUnit = string.charCodeAt(0);
-		while (++index < length) {
-			codeUnit = string.charCodeAt(index);
-			// Note: there’s no need to special-case astral symbols, surrogate
-			// pairs, or lone surrogates.
-
-			// If the character is NULL (U+0000), then the REPLACEMENT CHARACTER
-			// (U+FFFD).
-			if (codeUnit == 0x0000) {
-				result += '\uFFFD';
-				continue;
-			}
-
-			if (
-				// If the character is in the range [\1-\1F] (U+0001 to U+001F) or is
-				// U+007F, […]
-				(codeUnit >= 0x0001 && codeUnit <= 0x001F) || codeUnit == 0x007F ||
-				// If the character is the first character and is in the range [0-9]
-				// (U+0030 to U+0039), […]
-				(index == 0 && codeUnit >= 0x0030 && codeUnit <= 0x0039) ||
-				// If the character is the second character and is in the range [0-9]
-				// (U+0030 to U+0039) and the first character is a `-` (U+002D), […]
-				(
-					index == 1 &&
-					codeUnit >= 0x0030 && codeUnit <= 0x0039 &&
-					firstCodeUnit == 0x002D
-				)
-			) {
-				// https://drafts.csswg.org/cssom/#escape-a-character-as-code-point
-				result += '\\' + codeUnit.toString(16) + ' ';
-				continue;
-			}
-
-			if (
-				// If the character is the first character and is a `-` (U+002D), and
-				// there is no second character, […]
-				index == 0 &&
-				length == 1 &&
-				codeUnit == 0x002D
-			) {
-				result += '\\' + string.charAt(index);
-				continue;
-			}
-
-			// If the character is not handled by one of the above rules and is
-			// greater than or equal to U+0080, is `-` (U+002D) or `_` (U+005F), or
-			// is in one of the ranges [0-9] (U+0030 to U+0039), [A-Z] (U+0041 to
-			// U+005A), or [a-z] (U+0061 to U+007A), […]
-			if (
-				codeUnit >= 0x0080 ||
-				codeUnit == 0x002D ||
-				codeUnit == 0x005F ||
-				codeUnit >= 0x0030 && codeUnit <= 0x0039 ||
-				codeUnit >= 0x0041 && codeUnit <= 0x005A ||
-				codeUnit >= 0x0061 && codeUnit <= 0x007A
-			) {
-				// the character itself
-				result += string.charAt(index);
-				continue;
-			}
-
-			// Otherwise, the escaped character.
-			// https://drafts.csswg.org/cssom/#escape-a-character
-			result += '\\' + string.charAt(index);
-
-		}
-		return result;
-	};
+	return window.CSS.escape;
 })();

core/modules/utils/utils.js

@@ -55,7 +55,7 @@ Return the dflt (default) parameter if str is not a base-10 number.
 exports.getInt = function(str,deflt) {
 	var i = parseInt(str,10);
 	return isNaN(i) ? deflt : i;
-}
+};
 
 /*
 Repeatedly replaces a substring within a string. Like String.prototype.replace, but without any of the default special handling of $ sequences in the replace string
@@ -69,12 +69,12 @@ exports.replaceString = function(text,search,replace) {
 exports.trimPrefix = function(str,unwanted) {
 	if(typeof str === "string" && typeof unwanted === "string") {
 		if(unwanted === "") {
-			return str.replace(/^\s\s*/, '');
+			return str.replace(/^\s\s*/, "");
 		} else {
 			// Safely regexp-escape the unwanted text
-			unwanted = unwanted.replace(/[\\^$*+?.()|[\]{}]/g, '\\$&');
-			var regex = new RegExp('^(' + unwanted + ')+');
-			return str.replace(regex, '');
+			unwanted = unwanted.replace(/[\\^$*+?.()|[\]{}]/g, "\\$&");
+			var regex = new RegExp("^(" + unwanted + ")+");
+			return str.replace(regex, "");
 		}
 	} else {
 		return str;
@@ -84,12 +84,12 @@ exports.trimPrefix = function(str,unwanted) {
 exports.trimSuffix = function(str,unwanted) {
 	if(typeof str === "string" && typeof unwanted === "string") {
 		if(unwanted === "") {
-			return str.replace(/\s\s*$/, '');
+			return str.replace(/\s\s*$/, "");
 		} else {
 			// Safely regexp-escape the unwanted text
-			unwanted = unwanted.replace(/[\\^$*+?.()|[\]{}]/g, '\\$&');
-			var regex = new RegExp('(' + unwanted + ')+$');
-			return str.replace(regex, '');
+			unwanted = unwanted.replace(/[\\^$*+?.()|[\]{}]/g, "\\$&");
+			var regex = new RegExp("(" + unwanted + ")+$");
+			return str.replace(regex, "");
 		}
 	} else {
 		return str;
@@ -101,14 +101,14 @@ Convert a string to sentence case (ie capitalise first letter)
 */
 exports.toSentenceCase = function(str) {
 	return (str || "").replace(/^\S/, function(c) {return c.toUpperCase();});
-}
+};
 
 /*
 Convert a string to title case (ie capitalise each initial letter)
 */
 exports.toTitleCase = function(str) {
 	return (str || "").replace(/(^|\s)\S/g, function(c) {return c.toUpperCase();});
-}
+};
 
 /*
 Find the line break preceding a given position in a string
@@ -358,8 +358,8 @@ exports.formatDateString = function(date,template) {
 			}],
 			[/^TZD/, function() {
 				var tz = date.getTimezoneOffset(),
-				atz = Math.abs(tz);
-				return (tz < 0 ? '+' : '-') + $tw.utils.pad(Math.floor(atz / 60)) + ':' + $tw.utils.pad(atz % 60);
+					atz = Math.abs(tz);
+				return (tz < 0 ? "+" : "-") + $tw.utils.pad(Math.floor(atz / 60)) + ":" + $tw.utils.pad(atz % 60);
 			}],
 			[/^wYY/, function() {
 				return $tw.utils.pad($tw.utils.getYearForWeekNo(date) - 2000);
@@ -568,9 +568,9 @@ exports.unescapeLineBreaks = function(s) {
 exports.escape = function(ch) {
 	var charCode = ch.charCodeAt(0);
 	if(charCode <= 0xFF) {
-		return '\\x' + $tw.utils.pad(charCode.toString(16).toUpperCase());
+		return "\\x" + $tw.utils.pad(charCode.toString(16).toUpperCase());
 	} else {
-		return '\\u' + $tw.utils.pad(charCode.toString(16).toUpperCase(),4);
+		return "\\u" + $tw.utils.pad(charCode.toString(16).toUpperCase(),4);
 	}
 };
 
@@ -587,11 +587,11 @@ exports.stringify = function(s, rawUnicode) {
 	*/
 	var regex = rawUnicode ? /[\x00-\x1f]/g : /[\x00-\x1f\x80-\uFFFF]/g;
 	return (s || "")
-		.replace(/\\/g, '\\\\')            // backslash
+		.replace(/\\/g, "\\\\")            // backslash
 		.replace(/"/g, '\\"')              // double quote character
 		.replace(/'/g, "\\'")              // single quote character
-		.replace(/\r/g, '\\r')             // carriage return
-		.replace(/\n/g, '\\n')             // line feed
+		.replace(/\r/g, "\\r")             // carriage return
+		.replace(/\n/g, "\\n")             // line feed
 		.replace(regex, exports.escape);   // non-ASCII characters
 };
 
@@ -601,15 +601,15 @@ exports.jsonStringify = function(s, rawUnicode) {
 	// See http://www.json.org/
 	var regex = rawUnicode ? /[\x00-\x1f]/g : /[\x00-\x1f\x80-\uFFFF]/g;
 	return (s || "")
-		.replace(/\\/g, '\\\\')            // backslash
+		.replace(/\\/g, "\\\\")            // backslash
 		.replace(/"/g, '\\"')              // double quote character
-		.replace(/\r/g, '\\r')             // carriage return
-		.replace(/\n/g, '\\n')             // line feed
-		.replace(/\x08/g, '\\b')           // backspace
-		.replace(/\x0c/g, '\\f')           // formfeed
-		.replace(/\t/g, '\\t')             // tab
+		.replace(/\r/g, "\\r")             // carriage return
+		.replace(/\n/g, "\\n")             // line feed
+		.replace(/\x08/g, "\\b")           // backspace
+		.replace(/\x0c/g, "\\f")           // formfeed
+		.replace(/\t/g, "\\t")             // tab
 		.replace(regex,function(s) {
-			return '\\u' + $tw.utils.pad(s.charCodeAt(0).toString(16).toUpperCase(),4);
+			return "\\u" + $tw.utils.pad(s.charCodeAt(0).toString(16).toUpperCase(),4);
 		}); // non-ASCII characters
 };
 
@@ -617,7 +617,7 @@ exports.jsonStringify = function(s, rawUnicode) {
 Escape the RegExp special characters with a preceding backslash
 */
 exports.escapeRegExp = function(s) {
-    return s.replace(/[\-\/\\\^\$\*\+\?\.\(\)\|\[\]\{\}]/g, '\\$&');
+	return s.replace(/[\-\/\\\^\$\*\+\?\.\(\)\|\[\]\{\}]/g, "\\$&");
 };
 
 /*
@@ -700,7 +700,7 @@ exports.parseTextReference = function(textRef) {
 		}
 	} else {
 		// If we couldn't parse it
-		result.title = textRef
+		result.title = textRef;
 	}
 	return result;
 };
@@ -759,9 +759,9 @@ Cryptographic hash function as used by sha256 filter operator
 options.length .. number of characters returned defaults to 64
 */
 exports.sha256 = function(str, options) {
-	options = options || {}
+	options = options || {};
 	return $tw.sjcl.codec.hex.fromBits($tw.sjcl.hash.sha256.hash(str)).substr(0,options.length || 64);
-}
+};
 
 /*
 Decode a base64 string
@@ -914,3 +914,56 @@ exports.makeCompareFunction = function(type,options) {
 		};
 	return (types[type] || types[options.defaultType] || types.number);
 };
+
+/*
+Split text into parts (lines or words) for diff operations
+Adapted from https://github.com/google/diff-match-patch/wiki/Line-or-Word-Diffs
+*/
+exports.diffPartsToChars = function(text1,text2,mode) {
+	const lineArray = [""],
+		lineHash = Object.create(null);
+
+	function diff_linesToPartsMunge_(text,mode) {
+		let chars = "",
+			lineStart = 0,
+			lineEnd = -1,
+			lineArrayLength = lineArray.length,
+			regexpResult;
+		const searchRegexp = /\W+/g;
+		while(lineEnd < text.length - 1) {
+			if(mode === "words") {
+				regexpResult = searchRegexp.exec(text);
+				lineEnd = searchRegexp.lastIndex;
+				if(regexpResult === null) {
+					lineEnd = text.length;
+				}
+				lineEnd = --lineEnd;
+			} else {
+				lineEnd = text.indexOf("\n", lineStart);
+				if(lineEnd === -1) {
+					lineEnd = text.length - 1;
+				}
+			}
+			let line = text.substring(lineStart, lineEnd + 1);
+
+			if(line in lineHash) {
+				chars += String.fromCharCode(lineHash[line]);
+			} else {
+				if(lineArrayLength === maxLines) {
+					line = text.substring(lineStart);
+					lineEnd = text.length;
+				}
+				chars += String.fromCharCode(lineArrayLength);
+				lineHash[line] = lineArrayLength;
+				lineArray[lineArrayLength++] = line;
+			}
+			lineStart = lineEnd + 1;
+		}
+		return chars;
+	}
+	let maxLines = 40000;
+	const chars1 = diff_linesToPartsMunge_(text1,mode);
+	maxLines = 65535;
+	const chars2 = diff_linesToPartsMunge_(text2,mode);
+	return {chars1, chars2, lineArray};
+};

core/modules/widgets/diff-text.js

@@ -36,7 +36,13 @@ DiffTextWidget.prototype.render = function(parent,nextSibling) {
 	this.execute();
 	// Create the diff object
 	const editCost = $tw.utils.parseNumber(this.getAttribute("editcost","4"));
-	const diffs = dmp.diffMain(this.getAttribute("source",""),this.getAttribute("dest",""),{diffEditCost: editCost});
+	const mode = this.getAttribute("mode") || "chars";
+	let diffs;
+	if(mode === "lines" || mode === "words") {
+		diffs = diffLineWordMode(this.getAttribute("source",""),this.getAttribute("dest",""),mode,editCost);
+	} else {
+		diffs = dmp.diffMain(this.getAttribute("source",""),this.getAttribute("dest",""),{diffEditCost: editCost});
+	}
 	// Apply required cleanup
 	switch(this.getAttribute("cleanup","semantic")) {
 		case "none":
@@ -132,7 +138,7 @@ Selectively refreshes the widget if needed. Returns true if the widget or any of
 */
 DiffTextWidget.prototype.refresh = function(changedTiddlers) {
 	var changedAttributes = this.computeAttributes();
-	if(changedAttributes.source || changedAttributes.dest || changedAttributes.cleanup || changedAttributes.editcost) {
+	if(changedAttributes.source || changedAttributes.dest || changedAttributes.cleanup || changedAttributes.mode || changedAttributes.editcost) {
 		this.refreshSelf();
 		return true;
 	} else {
@@ -140,4 +146,15 @@ DiffTextWidget.prototype.refresh = function(changedTiddlers) {
 	}
 };
 
+// This function is adapted from https://github.com/google/diff-match-patch/wiki/Line-or-Word-Diffs
+function diffLineWordMode(text1,text2,mode,editCost) {
+	var a = $tw.utils.diffPartsToChars(text1,text2,mode);
+	var lineText1 = a.chars1;
+	var lineText2 = a.chars2;
+	var lineArray = a.lineArray;
+	var diffs = dmp.diffMain(lineText1,lineText2,{diffEditCost: editCost});
+	dmp.diffCharsToLines(diffs,lineArray);
+	return diffs;
+}
+
 exports["diff-text"] = DiffTextWidget;

core/modules/widgets/element.js

@@ -25,7 +25,6 @@ Render this widget into the DOM
 */
 ElementWidget.prototype.render = function(parent,nextSibling) {
 	this.parentDomNode = parent;
-	this.computeAttributes();
 	// Neuter blacklisted elements
 	this.tag = this.parseTreeNode.tag;
 	if($tw.config.htmlUnsafeElements.indexOf(this.tag) !== -1) {
@@ -42,6 +41,8 @@ ElementWidget.prototype.render = function(parent,nextSibling) {
 		headingLevel = Math.min(Math.max(headingLevel + 1 + baseLevel,1),6);
 		this.tag = "h" + headingLevel;
 	}
+	// Compute the attributes, mapping the element tag if needed
+	this.computeAttributes();
 	// Select the namespace for the tag
 	var XHTML_NAMESPACE = "http://www.w3.org/1999/xhtml",
 		tagNamespaces = {
@@ -99,4 +100,25 @@ ElementWidget.prototype.refresh = function(changedTiddlers) {
 	return this.refreshChildren(changedTiddlers) || hasChangedAttributes;
 };
 
+/*
+Override the base computeAttributes method
+*/
+ElementWidget.prototype.computeAttributes = function() {
+	// Call the base class to compute the initial values of the attributes
+	var changedAttributes = Widget.prototype.computeAttributes.call(this);
+	// Check for element mapping
+	var mappedTag = this.getVariable("tv-map-" + this.tag),
+		mappedClass = this.getVariable("tv-map-" + this.tag + "-class");
+	if(mappedTag) {
+		this.tag = mappedTag.trim();
+		// Add an attribute to indicate the original tag
+		this.attributes["data-element-mapping-from"] = this.parseTreeNode.tag;
+		// Check for a mapped class
+		if(mappedClass) {
+			this.attributes["class"] = mappedClass.trim() + (this.attributes["class"] ? " " + this.attributes["class"] : "");
+		}
+	}
+	return changedAttributes;
+};
+
 exports.element = ElementWidget;

core/modules/widgets/let.js

@@ -7,7 +7,6 @@ This widget allows defining multiple variables at once, while allowing
 the later variables to depend upon the earlier ones.
 
 ```
-\define helloworld() Hello world!
 <$let currentTiddler="target" value={{!!value}} currentTiddler="different">
   {{!!value}} will be different from <<value>>
 </$let>
@@ -56,7 +55,7 @@ LetWidget.prototype.computeAttributes = function() {
 	});
 	// Run through again, setting variables and looking for differences
 	$tw.utils.each(this.currentValueFor,function(value,name) {
-		if(!$tw.utils.isArrayEqual(self.attributes[name],value)) {
+		if(self.attributes[name] === undefined || !$tw.utils.isArrayEqual(self.attributes[name],value)) {
 			self.attributes[name] = value;
 			self.setVariable(name,value);
 			changedAttributes[name] = true;
@@ -68,7 +67,7 @@ LetWidget.prototype.computeAttributes = function() {
 LetWidget.prototype.getVariableInfo = function(name,options) {
 	// Special handling: If this variable exists in this very $let, we can
 	// use it, but only if it's been staged.
-	if ($tw.utils.hop(this.currentValueFor,name)) {
+	if($tw.utils.hop(this.currentValueFor,name)) {
 		var value = this.currentValueFor[name];
 		return {
 			text: value[0] || "",

core/ui/PageTemplate/alerts.tid

@@ -1,7 +1,7 @@
 title: $:/core/ui/PageTemplate/alerts
 tags: $:/tags/PageTemplate
 
-<div class="tc-alerts" role="region" aria-label="Alerts">
+<div class="tc-alerts" role="region" aria-label={{$:/language/Alerts}}>
 
 <$list filter="[all[shadows+tiddlers]tag[$:/tags/Alert]!is[draft]]" template="$:/core/ui/AlertTemplate" storyview="pop"/>
 

core/ui/SideBar/Open.tid

@@ -15,7 +15,7 @@ caption: {{$:/language/SideBar/Open/Caption}}
 
 \define droppable-item(button)
 \whitespace trim
-<$droppable actions=<<drop-actions>> enable=<<tv-allow-drag-and-drop>> tag="div">
+<$droppable actions=<<drop-actions>> enable=<<tv-enable-drag-and-drop>> tag="div">
 <<placeholder>>
 <div>
 $button$

core/ui/WikiInformation.tid

@@ -41,6 +41,8 @@ Drag this link to copy this tool to another wiki
 </$wikify>
 \end capture-item-wikified
 
+\function get.shadow.source() [shadowsource[]]
+
 \procedure capture-wiki-info(tempWikiInfo)
 <$transclude $variable="capture-item-wikified" label="TiddlyWiki Version" value="<<version>>"/>
 <$transclude $variable="capture-item" label="Current palette" value={{$:/palette}}/>
@@ -64,6 +66,7 @@ Drag this link to copy this tool to another wiki
 <$transclude $variable="capture-item" label="Keyboard shortcuts that have been customised" value={{{ [all[tiddlers]prefix[$:/config/shortcuts]] +[join[,]] }}}/>
 <$transclude $variable="capture-item" label="Disabled plugins" value={{{ [all[tiddlers]prefix[$:/config/Plugins/Disabled/]] :filter[{!!text}match[yes]] :map[<currentTiddler>removeprefix[$:/config/Plugins/Disabled/]] +[join[,]] }}}/>
 <$transclude $variable="capture-item" label="Plugins" value={{{ [has[plugin-type]sort[]] :filter[<currentTiddler>addprefix[$:/config/Plugins/Disabled/]get[text]else[no]!match[yes]] :map[{!!version}addprefix[ - ]addprefix<currentTiddler>] +[addprefix[  ]addprefix<crlf>join[]] }}}/>
+<$transclude $variable="capture-item" label="Stylesheets" value={{{ [all[shadows+tiddlers]tag[$:/tags/Stylesheet]!is[draft]] :map[is[shadow]addsuffix[ ∈ ]addsuffix<get.shadow.source>else<currentTiddler>] +[addprefix[  ]addprefix<crlf>join[]] }}}/>
 \end capture-wiki-info
 
 \procedure template-header()

core/wiki/macros/list.tid

@@ -92,7 +92,7 @@ tags: $:/tags/Macro
 </$set>
 \end
 
-\define list-tagged-draggable(tag,subFilter,emptyMessage,itemTemplate,elementTag:"div",storyview:"",displayField:"caption")
+\define list-tagged-draggable(tag,subFilter,emptyMessage,itemTemplate,elementTag:"div",storyview:"",displayField:"title")
 \whitespace trim
 <span class="tc-tagged-draggable-list">
 	<$set name="tag" value=<<__tag__>>>
@@ -115,7 +115,6 @@ tags: $:/tags/Macro
 										<$view field="title"/>
 									</$transclude>
 								</$let>
-								<$view field="title"/>
 							</$link>
 						</$transclude>
 					</$genesis>

core/wiki/macros/tag-picker.tid

@@ -21,7 +21,7 @@ second-search-filter: [subfilter<tagListFilter>is[system]search:title<userInput>
 
 <!-- clean up temporary tiddlers, so the next "pick" starts with a clean input -->
 <!-- This could probably be optimized / removed if we would use different temp-tiddlers
-	(future improvement because keeping track is comlex for humans)
+	(future improvement because keeping track is complex for humans)
 -->
 \procedure delete-tag-state-tiddlers()
 <$action-deletetiddler $filter="[<newTagNameTiddler>] [<storeTitle>] [<tagSelectionState>]"/>
@@ -111,6 +111,7 @@ The second ESC tries to close the "draft tiddler"
 				refreshTitle=<<refreshTitle>>
 				selectionStateTitle=<<tagSelectionState>>
 				inputAcceptActions=<<add-tag-actions>>
+				inputAcceptVariantActions=<<save-tiddler-actions>>
 				inputCancelActions=<<clear-tags-actions>>
 				tag="input"
 				placeholder={{$:/language/EditTemplate/Tags/Add/Placeholder}}

editions/test/tiddlers/tests/data/element-mapping/Basic.tid

@@ -0,0 +1,18 @@
+title: ElementMapping/Basic
+description: Mapping one element to another
+type: text/vnd.tiddlywiki-multiple
+tags: [[$:/tags/wiki-test-spec]]
+
+title: Output
+
+\whitespace trim
+
+<!-- Map <p> to <div>, adding the class my-class -->
+\define tv-map-p() div
+
+This is a paragraph
+
++
+title: ExpectedResult
+
+<div data-element-mapping-from="p">This is a paragraph</div>

editions/test/tiddlers/tests/data/element-mapping/BasicWithClass.tid

@@ -0,0 +1,19 @@
+title: ElementMapping/BasicWithClass
+description: Mapping one element to another with an added class
+type: text/vnd.tiddlywiki-multiple
+tags: [[$:/tags/wiki-test-spec]]
+
+title: Output
+
+\whitespace trim
+
+<!-- Map <p> to <div>, adding the class my-class -->
+\define tv-map-p() div
+\define tv-map-p-class() my-class
+
+This is a paragraph
+
++
+title: ExpectedResult
+
+<div class="my-class" data-element-mapping-from="p">This is a paragraph</div>

editions/tw5.com/tiddlers/demonstrations/SampleTiddlerFirst.tid

@@ -1,7 +1,9 @@
 created: 20211117003509226
-modified: 20251119135921343
+modified: 20260102135713260
 tags: sampletag1 sampletag2 [[Widget Examples]]
 title: SampleTiddlerFirst
 type: text/vnd.tiddlywiki
 
-This is a test tiddler called SampleTidlerFirst.
+This is a test tiddler called SampleTidlerFirst.
+It is used in [[DiffTextWidget]].
+You can modify its content.

editions/tw5.com/tiddlers/demonstrations/SampleTiddlerSecond.tid

@@ -1,6 +1,8 @@
 created: 20211117003511221
-modified: 20211117003724108
+modified: 20260102135739735
 tags: sampletag1 sampletag2 [[Widget Examples]]
 title: SampleTiddlerSecond
 
-This test tiddler is called SampleTiddlerSecond.
+This test tiddler is called SampleTiddlerSecond.
+It is used in [[DiffTextWidget]].
+You can edit its content.

editions/tw5.com/tiddlers/macros/tag-pill_Macro.tid

@@ -1,6 +1,6 @@
 caption: tag-pill
 created: 20161128190930538
-modified: 20161128191220364
+modified: 20260114112210310
 tags: Macros [[Core Macros]]
 title: tag-pill Macro
 type: text/vnd.tiddlywiki
@@ -9,13 +9,18 @@ The <<.def tag-pill>> [[macro|Macros]] generates a static tag pill showing a spe
 
 !! Parameters
 
-;tag
+; tag
 : The title of the tag
-;element-tag
-: The element name to be used for the pill (defaults to "span")
-;element-attributes
-: Additional attributes for the pill element
-;actions
-: Action widgets to be triggered when the pill is clicked. Within the text, the macro parameter ''tag'' contains the title of the selected tag.
+
+; element-tag
+: The element name to be used for the pill (defaults to HTML element SPAN).
+:  If an ''actions'' parameter is used the element-tag needs to be set to `$button`
+
+; element-attributes
+: Additional attributes for the element specified in ''element-tag'' 
+
+; actions
+:  If an actions parameter should be activated, the ''element-tag'' parameter needs to be set to `$button`.
+: Action widgets to be triggered when the pill is clicked. Within the text, the macro parameter ''tag'' contains the title of the selected tag
 
 <<.macro-examples "tag-pill">>

editions/tw5.com/tiddlers/releasenotes/5.4.0/#9206.tid

@@ -0,0 +1,17 @@
+change-category: nodejs
+change-type: feature
+created: 20260120154012282
+description: Allows server routes to be prioritized via ordering.
+github-contributors: saqimtiaz
+github-links: https://github.com/TiddlyWiki/TiddlyWiki5/pull/9206
+modified: 20260120160656948
+release: 5.4.0
+tags: $:/tags/ChangeNote
+title: $:/changenotes/5.4.0/#9206
+type: text/vnd.tiddlywiki
+
+This PR adds support for an info property to server route module exports. The info object may include a priority field, which determines the route’s order of precedence.
+
+Priorities are numeric and follow a descending order: routes with higher priority values are processed first, similar to how saver modules are prioritized.
+
+To maintain backward compatibility with existing code, any module that omits info or info.priority is assigned a default priority of 100. Core server routes have been updated to explicitly use this default value of 100.

editions/tw5.com/tiddlers/releasenotes/5.4.0/#9207.tid

@@ -0,0 +1,13 @@
+change-category: nodejs
+change-type: feature
+created: 20260120154249928
+description: Allows server routes to support multiple HTTP methods.
+github-contributors: saqimtiaz
+github-links: https://github.com/TiddlyWiki/TiddlyWiki5/pull/9207
+modified: 20260120160159661
+release: 5.4.0
+tags: $:/tags/ChangeNote
+title: $:/changenotes/5.4.0/#9207
+type: text/vnd.tiddlywiki
+
+Allows server routes to support multiple HTTP methods by introducing an `exports.methods` array.

editions/tw5.com/tiddlers/releasenotes/5.4.0/#9259.tid

@@ -0,0 +1,13 @@
+change-category: widget
+change-type: deprecation
+created: 20260120154533983
+description: The deprecated events and actions-* atrributes for the eventcatcher widget have been removed.
+github-contributors: saqimtiaz
+github-links: https://github.com/TiddlyWiki/TiddlyWiki5/pull/9259
+modified: 20260120160236297
+release: 5.4.0
+tags: $:/tags/ChangeNote
+title: $:/changenotes/5.4.0/#9259
+type: text/vnd.tiddlywiki
+
+Deprecates and removes the `events` and `actions-*` attributes for the $eventcatcher widget.

editions/tw5.com/tiddlers/releasenotes/5.4.0/#9259_impacts_deprecate-eventcatcher-attributes.tid

@@ -0,0 +1,8 @@
+changenote: $:/changenotes/5.4.0/#9259
+created: 20260120154817011
+description: Deprecated events and actons-* attributes from the eventcatcher widget
+impact-type: deprecation
+modified: 20260120154900978
+tags: $:/tags/ImpactNote
+title: $:/changenotes/5.4.0/#9259/impacts/deprecate-eventcatcher-attributes
+type: text/vnd.tiddlywiki

editions/tw5.com/tiddlers/releasenotes/5.4.0/#9260.tid

@@ -0,0 +1,29 @@
+change-category: hackability
+change-type: feature
+created: 20260120154445701
+description: Adds info tiddlers for viewport dimensions that are updated on window resize.
+github-contributors: saqimtiaz
+github-links: https://github.com/TiddlyWiki/TiddlyWiki5/pull/9260
+modified: 20260120160515462
+release: 5.4.0
+tags: $:/tags/ChangeNote
+title: $:/changenotes/5.4.0/#9260
+type: text/vnd.tiddlywiki
+
+Adds info tiddlers for viewport dimensions that are updated on window resize.
+
+!! Example: Main and a user-created window with windowID my-window
+
+|Window | Info tiddler | Meaning |h
+|system/main |`$:/info/browser/window/system/main/outer/width` | Full browser window including chrome, tabs, toolbars |
+|system/main |`$:/info/browser/window/system/main/outer/height` | Full browser window including chrome, tabs, toolbars |
+|system/main |`$:/info/browser/window/system/main/inner/width` | Viewport width including scrollbars |
+|system/main |`$:/info/browser/window/system/main/inner/height` | Viewport height including scrollbars |
+|system/main |`$:/info/browser/window/system/main/client/width` | Content width excluding scrollbars |
+|system/main |`$:/info/browser/window/system/main/client/height` | Content height excluding scrollbars |
+|user/my-window |`$:/info/browser/window/user/my-window/outer/width` | Full browser window including chrome, tabs, toolbars |
+|user/my-window |`$:/info/browser/window/user/my-window/outer/height` | Full browser window including chrome, tabs, toolbars |
+|user/my-window |`$:/info/browser/window/user/my-window/inner/width` | Viewport width including scrollbars |
+|user/my-window |`$:/info/browser/window/user/my-window/inner/height` | Viewport height including scrollbars |
+|user/my-window |`$:/info/browser/window/user/my-window/client/width` | Content width excluding scrollbars |
+|user/my-window |`$:/info/browser/window/user/my-window/client/height` | Content height excluding scrollbars |

editions/tw5.com/tiddlers/releasenotes/5.4.0/#9337 - math-filters .tid

@@ -1,17 +1,7 @@
-title: $:/changenotes/5.4.0/#9337/compatibility-break/math-filters
+title: $:/changenotes/5.4.0/#9337/impacts/math-filters
 changenote: $:/changenotes/5.4.0/#9337
-created - 20251112152513384
-modified - 20251112152513384
+created: 20251112152513384
+modified: 20251209160312626
 tags: $:/tags/ImpactNote
-description: filter output with empty input changes for some math filter operators
-impact-type: compatibility-break
-
-These math operators will now output an empty list when the input list is empty:
-
-* sum[] - previously returned 0
-* product[] - previously returned 1
-* maxall[] - previously returned -Infinity
-* minall[] - previously returned Infinity
-* average[] - previously returned NaN
-* variance[] - previously returned NaN
-* standard-deviation[] - previously returned NaN
+description: filter output changes for some math filter operators when input list is empty
+impact-type: compatibility-break

editions/tw5.com/tiddlers/releasenotes/5.4.0/#9375.tid

@@ -4,7 +4,8 @@ release: 5.4.0
 tags: $:/tags/ChangeNote
 change-type: enhancement
 change-category: translation
-github-links: https://github.com/TiddlyWiki/TiddlyWiki5/pull/9375
+github-links: https://github.com/TiddlyWiki/TiddlyWiki5/pull/9375 https://github.com/TiddlyWiki/TiddlyWiki5/pull/9576
 github-contributors: BramChen
 
-* change camel-case hint text for chinese translations
+* change camel-case hint text for chinese translations
+* add alerts ARIA message

editions/tw5.com/tiddlers/releasenotes/5.4.0/#9494.tid

@@ -0,0 +1,10 @@
+title: $:/changenotes/5.4.0/#9494
+description: Fix LetWidget to always set all staged variables on first render
+release: 5.4.0
+tags: $:/tags/ChangeNote
+change-type: bugfix
+change-category: widget
+github-links: https://github.com/TiddlyWiki/TiddlyWiki5/pull/9494
+github-contributors: yaisog
+
+This PR corrects a bug where the LetWidget did not set variables if their value was the empty output of a filtered transclusion.

editions/tw5.com/tiddlers/releasenotes/5.4.0/#9551.tid

@@ -0,0 +1,15 @@
+title: $:/changenotes/5.4.0/#9551
+description: Add words and lines modes to diff-text widget
+release: 5.4.0
+tags: $:/tags/ChangeNote
+change-type: enhancement
+change-category: widget
+github-links: https://github.com/TiddlyWiki/TiddlyWiki5/pull/9551
+github-contributors: yaisog
+
+The DiffTextWidget now supports two additional diff modes via the `mode` attribute:
+
+* `mode="words"` - Performs word-level diff operations, making differences more intelligible when comparing text
+* `mode="lines"` - Performs line-level diff operations, highlighting entire lines that have changed
+
+The default `mode="chars"` continues to work as before, performing character-level diff operations.

editions/tw5.com/tiddlers/releasenotes/5.4.0/#9570.tid

@@ -0,0 +1,10 @@
+title: $:/changenotes/5.4.0/#9570
+description: Fix images loaded from _canonical_uri tiddlers not having progress classes assigned
+release: 5.4.0
+tags: $:/tags/ChangeNote
+change-type: bugfix
+change-category: internal
+github-links: https://github.com/TiddlyWiki/TiddlyWiki5/pull/9570
+github-contributors: jermolene
+
+Fixes issue whereby transcluding a _canonical_uri tiddler with a missing image did not assign the progress classes `tc-image-loading`, `tc-image-loaded` and `tc-image-error`.

editions/tw5.com/tiddlers/releasenotes/5.4.0/#9600.tid

@@ -0,0 +1,10 @@
+title: $:/changenotes/5.4.0/#9600
+description: Fix Ctrl-Enter not working in EditTemplate tag name input
+release: 5.4.0
+tags: $:/tags/ChangeNote
+change-type: bugfix
+change-category: internal
+github-links: https://github.com/TiddlyWiki/TiddlyWiki5/pull/9600
+github-contributors: yaisog
+
+The tag name input now calls `<<save-tiddler-actions>>` from the EditTemplate when Ctrl-Enter (or whichever key is assigned to input-accept-variant) is pressed.

editions/tw5.com/tiddlers/releasenotes/5.4.0/add-stylesheet-wiki-info.tid

@@ -0,0 +1,10 @@
+title: $:/changenotes/5.4.0/#9565
+description: Add stylesheet wiki information
+release: 5.4.0
+tags: $:/tags/ChangeNote
+change-type: feature
+change-category: internal
+github-links: https://github.com/TiddlyWiki/TiddlyWiki5/pull/9565
+github-contributors: Leilei332
+
+Extend wiki information tool to display stylesheet information.

editions/tw5.com/tiddlers/releasenotes/5.4.0/bump-markdown-it.tid

@@ -0,0 +1,18 @@
+title: $:/changenotes/5.4.0/#9513
+description: Bump markdown-it and its plugins to newest version
+release: 5.4.0
+tags: $:/tags/ChangeNote
+change-type: enhancement
+change-category: plugin
+github-links: https://github.com/TiddlyWiki/TiddlyWiki5/pull/9513
+github-contributors: Leilei332
+
+Upgrade the markdown-it libraries used by the [[Markdown Plugin]]:
+
+* markdown-it: 14.1.0
+* markdown-it-deflist: 3.0.0
+* markdown-it-footnote: 4.0.0
+* markdown-it-ins: 4.0.0
+* markdown-it-mark: 4.0.0
+* markdown-it-sub: 2.0.0
+* markdown-it-sup: 2.0.0

editions/tw5.com/tiddlers/releasenotes/5.4.0/escapecss-split.tid

@@ -0,0 +1,10 @@
+title: $:/changenotes/5.4.0/#9475
+description: Split escapecss.js into two platforms
+release: 5.4.0
+tags: $:/tags/ChangeNote
+change-type: performance
+change-category: internal
+github-links: https://github.com/TiddlyWiki/TiddlyWiki5/pull/9475
+github-contributors: Leilei332
+
+Split [[$:/core/modules/utils/escapecss.js]] for two platforms: one for the browser, the other for Node.js. The `CSS.escape` polyfill is moved to `core-server`.

editions/tw5.com/tiddlers/releasenotes/5.4.0/improve-alert-a11y.tid

@@ -0,0 +1,10 @@
+title: $:/changenotes/5.4.0/#9248
+description: Improve alert accessibility
+release: 5.4.0
+tags: $:/tags/ChangeNote
+change-type: enhancement
+change-category: usability
+github-links: https://github.com/TiddlyWiki/TiddlyWiki5/pull/9248 https://github.com/TiddlyWiki/TiddlyWiki5/pull/9575
+github-contributors: Leilei332
+
+

editions/tw5.com/tiddlers/tag-pill Macro (Examples).tid

@@ -1,5 +1,5 @@
 created: 20230803034230294
-modified: 20230803043848449
+modified: 20260114112240512
 tags: [[Macro Examples]] [[tag-pill Macro]]
 title: tag-pill Macro (Examples)
 
@@ -12,3 +12,9 @@ This example displays the [[Definitions]] tag as an unclickable, but still-style
 <$transclude $variable=".example" n="2" eg="""<<tag-pill Definitions element-tag:"big" element-attributes:"inert">>"""/>
 
 
+<$transclude $variable=".example" n="3" eg="""\procedure tag-actions()
+<$action-confirm $message="test"/>
+\end
+
+<$transclude $variable="tag-pill" tag="asdf" element-tag="$button" actions=<<tag-actions>>/>
+""">>

editions/tw5.com/tiddlers/widgets/DiffTextWidget.tid

@@ -1,69 +1,85 @@
 caption: diff-text
 created: 20180316162725329
-modified: 20251117054552220
+modified: 20260102132650194
 tags: Widgets
 title: DiffTextWidget
 type: text/vnd.tiddlywiki
 
 ! Introduction
 
-<<.from-version "5.1.16">> The diff text widget analyses the differences between a pair of source and destination text strings and displays the results as highlighted insertions and deletions (similar to the "track changes" function of a word processor). For example:
+<<.from-version "5.1.16">> The diff text widget analyses the differences between a pair of source and destination text strings and displays the results as highlighted insertions and deletions (similar to the "track changes" function of a word processor).
+
+```
+<$diff-text source="This is the original text" dest="This is the text to compare to" mode="words>
+    These are the <<diff-count>> differences:
+</$diff-text>
+```
+
 
-<$diff-text source="Hey Jude, don't make it bad. Take a sad song and make it better. Remember to let her into your heart
-Then you can start to make it better." dest="Hey Jude, don't be afraid. You were made to go out and get her. The minute you let her under your skin. Then you begin to make it better."/>
 
 ! Content and Attributes
 
-!! Content
+The content of the <<.wid diff-text>> widget is displayed immediately before the differences. Within the content, the variable <<.var diff-count>> is available, containing the number of differences found. If the widget has no content then it automatically transcludes the tiddler [[$:/language/Diffs/CountMessage]].
 
-The content of the `<$diff-text>` widget is rendered immediately before the diffs. Within it, the variable `diff-count` is available, containing the number of differences found. If the widget has no content then it automatically transcludes the tiddler [[$:/language/Diffs/CountMessage]].
-
-<<<
-In other words, these three invocations are all equivalent:
-
-```
-<$diff-text source={{FirstTiddler}} dest={{SecondTiddler}}>
-{{$:/language/Diffs/CountMessage}}
-</$diff-text>
-
-<$diff-text source={{FirstTiddler}} dest={{SecondTiddler}}>
-</$diff-text>
-
-<$diff-text source={{FirstTiddler}} dest={{SecondTiddler}}/>
-
-```
-<<<
-
-!! Attributes
+<<.note """The algorithm counts changes as both insertion and deletion, and therefore the number of differences can be higher than expected.""">>
 
 |!Attribute |!Description |
-|source |The source text |
-|dest |The destination text |
-|cleanup |Defines a way to allow diffs to be human readable |
-|editcost |<<.from-version "5.4.0">> Only active if the cleanup flag is set to "efficient" |
+|<<.attr source>> |The source text |
+|<<.attr dest>> |The destination text |
+|<<.attr cleanup>> |Optional post-processing to improve readability (default is <<.value semantic>>) |
+|<<.attr editcost>> |<<.from-version "5.4.0">> Threshold parameter for <<.value efficiency>> cleanup mode (default is <<.value 4>>) |
+|<<.attr mode>> |<<.from-version "5.4.0">> Specifies the granularity at which differences are computed and displayed (default is <<.value chars>>) |
 
 
-!!! Cleanup Flags
+!! <<.attr cleanup>> / <<.attr editcost>>
 
-The ''cleanup'' attribute determines which optional post-processing should be applied to the diffs:
+The <<.attr cleanup>> attribute determines which optional post-processing should be applied to the diffs:
 
-* ''none'': no cleanup is performed
-* ''semantic'' (default): rewrites the diffs for human readability
-* ''efficient'': rewrites the diffs to minimise the number of operations for subsequent processing
-** If efficient is defined, ''editcost'' defines how the cleanup algorithm for human readability works. See example slider
+* <<.value none>>: No cleanup is performed
+* <<.value semantic>> (default): Optimizes the differences for readability
+* <<.value efficiency>>: Optimizes the differences to minimise the number of operations for subsequent processing
+** When using <<.value efficiency>> mode, the <<.attr editcost>> parameter controls the cost threshold for the cleanup algorithm, determining how aggressively the diff algorithm merges nearby edits for better human readability (default value is 4).
 
 <<.note """Note that in many cases the results will be the same regardless of the cleanup option. See the [[docs|https://github.com/google/diff-match-patch/wiki/API]] of the underlying library for more details""">>
 
+!! <<.attr mode>>
+
+The <<.attr mode>> attribute determines how differences are computed and displayed:
+
+* <<.value chars>>: Compares differences at the //character level// for precise change detection
+* <<.value words>>: Compares differences at the //word level// for more readable text comparisons
+* <<.value lines>>: Compares differences at the //line level// for better visibility of structural changes
+
 ! Examples
 
-In this example we compare two texts:
+A basic example:
 
-<$macrocall $name='wikitext-example-without-html'
-src="""|tc-max-width tc-edit-max-width|k
+<<.example n:1 e.g."""<$diff-text source="The quick brown fox jumps" dest="The slick brown fox leaps"/>""">>
+
+In <<.value words>> mode, differences are computed at the words level:
+
+<<.example n:2 e.g."""<$diff-text mode="words" source="The quick brown fox jumps" dest="The slick brown fox leaps"/>""">>
+
+
+To see the effects of all parameters, use this example:
+
+|tc-max-width tc-edit-max-width|k
 |<$edit-text tiddler="SampleTiddlerFirst" rows="5"/>|<$edit-text tiddler="SampleTiddlerSecond" rows="5"/>|
 
-Edit cost:  {{$:/temp/SampleTiddlerEditCost}} -- Drag to 7 and then to 33
-<$range tiddler="$:/temp/SampleTiddlerEditCost" min="1" max="200" default="4" class="tc-max-width"/>
+<$diff-text source={{SampleTiddlerFirst}} dest={{SampleTiddlerSecond}} cleanup={{{ [{!!cleanup}!is[blank]else[efficiency]] }}} editcost={{{ [{!!editcost}!is[blank]else[4]] }}} mode={{{ [{!!mode}!is[blank]else[chars]] }}}/>
 
-<$diff-text source={{SampleTiddlerFirst}} dest={{SampleTiddlerSecond}} cleanup=efficiency editcost={{$:/temp/SampleTiddlerEditCost}}/>
-"""/>  
+!! <<.attr mode>>
+<$radio field="mode" value="chars" default="chars" class="tc-small-gap-right"> <<.value chars>></$radio>
+<$radio field="mode" value="words" class="tc-small-gap-right"> <<.value words>></$radio>
+<$radio field="mode" value="lines"> <<.value lines>></$radio>
+
+!! <<.attr cleanup>>
+<$radio field="cleanup" value="none" class="tc-small-gap-right"> <<.value none>></$radio>
+<$radio field="cleanup" value="semantic" class="tc-small-gap-right"> <<.value semantic>></$radio>
+<$radio field="cleanup" value="efficiency" default="efficiency"> <<.value efficiency>></$radio>
+
+<% if [{!!cleanup}!match[none]!match[semantic]] %>
+
+!! <<.attr editcost>>: <$transclude $variable=".value" _={{{ [{!!editcost}!is[blank]else[4]] }}} />
+<$range field="editcost" min="1" max="200" default="4" class="tc-max-width" style.max-width="500px" />
+<% endif %>

eslint.config.mjs

@@ -104,7 +104,7 @@ js.configs.recommended,
         "init-declarations": "off",
         "@stylistic/jsx-quotes": "error",
         "@stylistic/key-spacing": "off",
-        "@stylistic/keyword-spacing": ["error", {
+        "@stylistic/keyword-spacing": ["warn", {
             before: true,
             after: false,
             overrides: {
@@ -114,6 +114,7 @@ js.configs.recommended,
                 return: { after: true },
                 throw: { after: true },
                 try: { after: true },
+                const: { after: true }
             },
         }],
         "@stylistic/line-comment-position": "off",
@@ -290,10 +291,12 @@ js.configs.recommended,
         "@stylistic/wrap-iife": "off",
         "@stylistic/wrap-regex": "off",
         "@stylistic/yield-star-spacing": "error",
-        yoda: "off",
-        // temporary rules
+        "yoda": "off",
         "no-useless-escape": "off",
-        "no-unused-vars": "warn",
+        "no-unused-vars": ["warn", {
+            "args": "none",
+            "caughtErrors": "none"
+        }],
         "no-empty": "off",
         "@stylistic/no-extra-semi": "off",
         "no-redeclare": "off",

languages/zh-Hans/Misc.multids

@@ -1,5 +1,6 @@
 title: $:/language/
 
+Alerts: 警报信息
 AboveStory/ClassicPlugin/Warning: 您似乎要加载为 ~TiddlyWiki 经典版设计的插件。请注意，[[这些插件无法运行于 TiddlyWiki 5.x.x 版|https://tiddlywiki.com/#TiddlyWikiClassic]]。检测到 ~TiddlyWiki 经典版插件：
 BinaryWarning/Prompt: 此条目包含二进制数据
 ClassicWarning/Hint: 此条目以经典版 TiddlyWiki 标记格式撰写，不完全兼容新版 TiddlyWiki 的格式，详细信息请参阅：https://tiddlywiki.com/static/Upgrading。

languages/zh-Hant/Misc.multids

@@ -1,5 +1,6 @@
 title: $:/language/
 
+Alerts: 警示訊息
 AboveStory/ClassicPlugin/Warning: 您似乎要載入為 ~TiddlyWiki 經典版設計的插件。請注意，[[這些插件無法運行於 TiddlyWiki 5.x.x 版|https://tiddlywiki.com/#TiddlyWikiClassic]]。偵測到 ~TiddlyWiki 經典版插件：
 BinaryWarning/Prompt: 此條目包含二進位資料
 ClassicWarning/Hint: 此條目以經典版 TiddlyWiki 標記格式撰寫，不完全相容新版 TiddlyWiki 的格式，詳細資訊請參閱：https://tiddlywiki.com/static/Upgrading。

plugins/tiddlywiki/markdown/files/markdown-it-deflist.min.js

@@ -1,7 +1,2 @@
-/*!
-
-markdown-it-deflist
-https://github.com/markdown-it/markdown-it-deflist
-
-*/
-!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{("undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this).markdownitDeflist=e()}}((function(){return function e(t,n,r){function i(f,d){if(!n[f]){if(!t[f]){var s="function"==typeof require&&require;if(!d&&s)return s(f,!0);if(o)return o(f,!0);var u=new Error("Cannot find module '"+f+"'");throw u.code="MODULE_NOT_FOUND",u}var a=n[f]={exports:{}};t[f][0].call(a.exports,(function(e){return i(t[f][1][e]||e)}),a,a.exports,e,t,n,r)}return n[f].exports}for(var o="function"==typeof require&&require,f=0;f<r.length;f++)i(r[f]);return i}({"/":[function(e,t,n){"use strict";t.exports=function(e){var t=e.utils.isSpace;function n(e,t){var n,r,i=e.bMarks[t]+e.tShift[t],o=e.eMarks[t];return i>=o||126!==(r=e.src.charCodeAt(i++))&&58!==r||i===(n=e.skipSpaces(i))||n>=o?-1:i}e.block.ruler.before("paragraph","deflist",(function(e,r,i,o){var f,d,s,u,a,l,p,k,c,h,b,y,m,g,C,I,v,_,w,x;if(o)return!(e.ddIndent<0)&&n(e,r)>=0;if((c=r+1)>=i)return!1;if(e.isEmpty(c)&&++c>=i)return!1;if(e.sCount[c]<e.blkIndent)return!1;if((d=n(e,c))<0)return!1;p=e.tokens.length,w=!0,(x=e.push("dl_open","dl",1)).map=l=[r,0],u=r,s=c;e:for(;;){for(_=!1,(x=e.push("dt_open","dt",1)).map=[u,u],(x=e.push("inline","",0)).map=[u,u],x.content=e.getLines(u,u+1,e.blkIndent,!1).trim(),x.children=[],x=e.push("dt_close","dt",-1);;){for((x=e.push("dd_open","dd",1)).map=a=[c,0],v=d,k=e.eMarks[s],h=e.sCount[s]+d-(e.bMarks[s]+e.tShift[s]);v<k&&(f=e.src.charCodeAt(v),t(f));)9===f?h+=4-h%4:h++,v++;if(d=v,I=e.tight,b=e.ddIndent,y=e.blkIndent,C=e.tShift[s],g=e.sCount[s],m=e.parentType,e.blkIndent=e.ddIndent=e.sCount[s]+2,e.tShift[s]=d-e.bMarks[s],e.sCount[s]=h,e.tight=!0,e.parentType="deflist",e.md.block.tokenize(e,s,i,!0),e.tight&&!_||(w=!1),_=e.line-s>1&&e.isEmpty(e.line-1),e.tShift[s]=C,e.sCount[s]=g,e.tight=I,e.parentType=m,e.blkIndent=y,e.ddIndent=b,x=e.push("dd_close","dd",-1),a[1]=c=e.line,c>=i)break e;if(e.sCount[c]<e.blkIndent)break e;if((d=n(e,c))<0)break;s=c}if(c>=i)break;if(u=c,e.isEmpty(u))break;if(e.sCount[u]<e.blkIndent)break;if((s=u+1)>=i)break;if(e.isEmpty(s)&&s++,s>=i)break;if(e.sCount[s]<e.blkIndent)break;if((d=n(e,s))<0)break}return x=e.push("dl_close","dl",-1),l[1]=c,e.line=c,w&&function(e,t){var n,r,i=e.level+2;for(n=t+2,r=e.tokens.length-2;n<r;n++)e.tokens[n].level===i&&"paragraph_open"===e.tokens[n].type&&(e.tokens[n+2].hidden=!0,e.tokens[n].hidden=!0,n+=2)}(e,p),!0}),{alt:["paragraph","reference","blockquote"]})}},{}]},{},[])("/")}));
+/*! markdown-it-deflist 3.0.0 https://github.com/markdown-it/markdown-it-deflist.git @license MIT */
+!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):(t="undefined"!=typeof globalThis?globalThis:t||self).markdownitDeflist=e()}(this,(function(){"use strict";return function(t){const e=t.utils.isSpace;function n(t,e){let n=t.bMarks[e]+t.tShift[e];const i=t.eMarks[e];if(n>=i)return-1;const o=t.src.charCodeAt(n++);if(126!==o&&58!==o)return-1;const r=t.skipSpaces(n);return n===r||r>=i?-1:n}t.block.ruler.before("paragraph","deflist",(function(t,i,o,r){if(r)return!(t.ddIndent<0)&&n(t,i)>=0;let s=i+1;if(s>=o)return!1;if(t.isEmpty(s)&&(s++,s>=o))return!1;if(t.sCount[s]<t.blkIndent)return!1;let d=n(t,s);if(d<0)return!1;const l=t.tokens.length;let f=!0;const a=[i,0];t.push("dl_open","dl",1).map=a;let p=i,u=s;t:for(;;){let i=!1;t.push("dt_open","dt",1).map=[p,p];const r=t.push("inline","",0);for(r.map=[p,p],r.content=t.getLines(p,p+1,t.blkIndent,!1).trim(),r.children=[],t.push("dt_close","dt",-1);;){const r=[s,0];t.push("dd_open","dd",1).map=r;let l=d;const a=t.eMarks[u];let p=t.sCount[u]+d-(t.bMarks[u]+t.tShift[u]);for(;l<a;){const n=t.src.charCodeAt(l);if(!e(n))break;9===n?p+=4-p%4:p++,l++}d=l;const c=t.tight,k=t.ddIndent,b=t.blkIndent,h=t.tShift[u],m=t.sCount[u],g=t.parentType;if(t.blkIndent=t.ddIndent=t.sCount[u]+2,t.tShift[u]=d-t.bMarks[u],t.sCount[u]=p,t.tight=!0,t.parentType="deflist",t.md.block.tokenize(t,u,o,!0),t.tight&&!i||(f=!1),i=t.line-u>1&&t.isEmpty(t.line-1),t.tShift[u]=h,t.sCount[u]=m,t.tight=c,t.parentType=g,t.blkIndent=b,t.ddIndent=k,t.push("dd_close","dd",-1),r[1]=s=t.line,s>=o)break t;if(t.sCount[s]<t.blkIndent)break t;if(d=n(t,s),d<0)break;u=s}if(s>=o)break;if(p=s,t.isEmpty(p))break;if(t.sCount[p]<t.blkIndent)break;if(u=p+1,u>=o)break;if(t.isEmpty(u)&&u++,u>=o)break;if(t.sCount[u]<t.blkIndent)break;if(d=n(t,u),d<0)break}return t.push("dl_close","dl",-1),a[1]=s,t.line=s,f&&function(t,e){const n=t.level+2;for(let i=e+2,o=t.tokens.length-2;i<o;i++)t.tokens[i].level===n&&"paragraph_open"===t.tokens[i].type&&(t.tokens[i+2].hidden=!0,t.tokens[i].hidden=!0,i+=2)}(t,l),!0}),{alt:["paragraph","reference","blockquote"]})}}));

plugins/tiddlywiki/markdown/files/markdown-it-ins.min.js

@@ -1,2 +1,2 @@
-/*! markdown-it-ins 3.0.1 https://github.com/markdown-it/markdown-it-mark @license MIT */
-!function(e,n){"object"==typeof exports&&"undefined"!=typeof module?module.exports=n():"function"==typeof define&&define.amd?define(n):(e="undefined"!=typeof globalThis?globalThis:e||self).markdownitIns=n()}(this,(function(){"use strict";return function(e){function n(e,n){var t,o,s,i,r,l=[],f=n.length;for(t=0;t<f;t++)43===(s=n[t]).marker&&-1!==s.end&&(i=n[s.end],(r=e.tokens[s.token]).type="ins_open",r.tag="ins",r.nesting=1,r.markup="++",r.content="",(r=e.tokens[i.token]).type="ins_close",r.tag="ins",r.nesting=-1,r.markup="++",r.content="","text"===e.tokens[i.token-1].type&&"+"===e.tokens[i.token-1].content&&l.push(i.token-1));for(;l.length;){for(o=(t=l.pop())+1;o<e.tokens.length&&"ins_close"===e.tokens[o].type;)o++;t!==--o&&(r=e.tokens[o],e.tokens[o]=e.tokens[t],e.tokens[t]=r)}}e.inline.ruler.before("emphasis","ins",(function(e,n){var t,o,s,i,r=e.pos,l=e.src.charCodeAt(r);if(n)return!1;if(43!==l)return!1;if(s=(o=e.scanDelims(e.pos,!0)).length,i=String.fromCharCode(l),s<2)return!1;for(s%2&&(e.push("text","",0).content=i,s--),t=0;t<s;t+=2)e.push("text","",0).content=i+i,(o.can_open||o.can_close)&&e.delimiters.push({marker:l,length:0,jump:t/2,token:e.tokens.length-1,end:-1,open:o.can_open,close:o.can_close});return e.pos+=o.length,!0})),e.inline.ruler2.before("emphasis","ins",(function(e){var t,o=e.tokens_meta,s=(e.tokens_meta||[]).length;for(n(e,e.delimiters),t=0;t<s;t++)o[t]&&o[t].delimiters&&n(e,o[t].delimiters)}))}}));
+/*! markdown-it-ins 4.0.0 https://github.com/markdown-it/markdown-it-ins @license MIT */
+!function(e,n){"object"==typeof exports&&"undefined"!=typeof module?module.exports=n():"function"==typeof define&&define.amd?define(n):(e="undefined"!=typeof globalThis?globalThis:e||self).markdownitIns=n()}(this,(function(){"use strict";return function(e){function n(e,n){let t;const o=[],s=n.length;for(let i=0;i<s;i++){const s=n[i];if(43!==s.marker)continue;if(-1===s.end)continue;const r=n[s.end];t=e.tokens[s.token],t.type="ins_open",t.tag="ins",t.nesting=1,t.markup="++",t.content="",t=e.tokens[r.token],t.type="ins_close",t.tag="ins",t.nesting=-1,t.markup="++",t.content="","text"===e.tokens[r.token-1].type&&"+"===e.tokens[r.token-1].content&&o.push(r.token-1)}for(;o.length;){const n=o.pop();let s=n+1;for(;s<e.tokens.length&&"ins_close"===e.tokens[s].type;)s++;s--,n!==s&&(t=e.tokens[s],e.tokens[s]=e.tokens[n],e.tokens[n]=t)}}e.inline.ruler.before("emphasis","ins",(function(e,n){const t=e.pos,o=e.src.charCodeAt(t);if(n)return!1;if(43!==o)return!1;const s=e.scanDelims(e.pos,!0);let i=s.length;const r=String.fromCharCode(o);if(i<2)return!1;if(i%2){e.push("text","",0).content=r,i--}for(let n=0;n<i;n+=2){e.push("text","",0).content=r+r,(s.can_open||s.can_close)&&e.delimiters.push({marker:o,length:0,jump:n/2,token:e.tokens.length-1,end:-1,open:s.can_open,close:s.can_close})}return e.pos+=s.length,!0})),e.inline.ruler2.before("emphasis","ins",(function(e){const t=e.tokens_meta,o=(e.tokens_meta||[]).length;n(e,e.delimiters);for(let s=0;s<o;s++)t[s]&&t[s].delimiters&&n(e,t[s].delimiters)}))}}));

plugins/tiddlywiki/markdown/files/markdown-it-mark.min.js

@@ -1,2 +1,2 @@
-/*! markdown-it-mark 3.0.1 https://github.com/markdown-it/markdown-it-mark @license MIT */
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+/*! markdown-it-mark 4.0.0 https://github.com/markdown-it/markdown-it-mark @license MIT */
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plugins/tiddlywiki/markdown/files/markdown-it-sub.min.js

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plugins/tiddlywiki/markdown/files/markdown-it-sup.min.js

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