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https://github.com/Jermolene/TiddlyWiki5
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Add new parameters to fields-widget and fields-operator. (#4433)
* add a new-line before the log text to increase readability of the test output * make eslint, jslint happy * extend fields-widget with include/exclude/sort/reverse and fields-filter with include and exclude params plus DOCS * remove new-line * remove eslint settings * restore old eslint settings * remove typo
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@ -16,13 +16,28 @@ Filter operator for returning the names of the fields on the selected tiddlers
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Export our filter function
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*/
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exports.fields = function(source,operator,options) {
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var results = [];
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var results = [],
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fieldName,
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suffixes = (operator.suffixes || [])[0] || [],
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operand = $tw.utils.parseStringArray(operator.operand);
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source(function(tiddler,title) {
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if(tiddler) {
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for(var fieldName in tiddler.fields) {
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$tw.utils.pushTop(results,fieldName);
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}
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}
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if(suffixes.indexOf("include") !== -1) {
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for(fieldName in tiddler.fields) {
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(operand.indexOf(fieldName) !== -1) ? $tw.utils.pushTop(results,fieldName) : "";
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}
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} else if (suffixes.indexOf("exclude") !== -1) {
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for(fieldName in tiddler.fields) {
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(operand.indexOf(fieldName) !== -1) ? "" : $tw.utils.pushTop(results,fieldName);
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}
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} // else if
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else {
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for(fieldName in tiddler.fields) {
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$tw.utils.pushTop(results,fieldName);
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}
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} // else
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} // if (tiddler)
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});
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return results;
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};
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@ -42,44 +42,53 @@ FieldsWidget.prototype.execute = function() {
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// Get parameters from our attributes
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this.tiddlerTitle = this.getAttribute("tiddler",this.getVariable("currentTiddler"));
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this.template = this.getAttribute("template");
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this.sort = this.getAttribute("sort","yes") === "yes";
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this.sortReverse = this.getAttribute("sortReverse","no") === "yes";
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this.exclude = this.getAttribute("exclude");
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this.include = this.getAttribute("include",null);
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this.stripTitlePrefix = this.getAttribute("stripTitlePrefix","no") === "yes";
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// Get the value to display
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var tiddler = this.wiki.getTiddler(this.tiddlerTitle);
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// Get the exclusion list
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var exclude;
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if(this.exclude) {
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exclude = this.exclude.split(" ");
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} else {
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exclude = ["text"];
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}
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// Get the inclusion and exclusion list
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var excludeArr = (this.exclude) ? this.exclude.split(" ") : ["text"];
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// Include takes precedence
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var includeArr = (this.include) ? this.include.split(" ") : null;
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// Compose the template
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var text = [];
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if(this.template && tiddler) {
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var fields = [];
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for(var fieldName in tiddler.fields) {
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if(exclude.indexOf(fieldName) === -1) {
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fields.push(fieldName);
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if (includeArr) { // Include takes precedence
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for(var i=0; i<includeArr.length; i++) {
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if(tiddler.fields[includeArr[i]]) {
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fields.push(includeArr[i]);
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}
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}
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} else {
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for(var fieldName in tiddler.fields) {
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if(excludeArr.indexOf(fieldName) === -1) {
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fields.push(fieldName);
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}
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}
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}
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fields.sort();
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for(var f=0; f<fields.length; f++) {
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if (this.sort) fields.sort();
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if (this.sortReverse) fields.reverse();
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for(var f=0, fmax=fields.length; f<fmax; f++) {
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fieldName = fields[f];
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if(exclude.indexOf(fieldName) === -1) {
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var row = this.template,
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value = tiddler.getFieldString(fieldName);
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if(this.stripTitlePrefix && fieldName === "title") {
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var reStrip = /^\{[^\}]+\}(.+)/mg,
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reMatch = reStrip.exec(value);
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if(reMatch) {
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value = reMatch[1];
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}
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var row = this.template,
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value = tiddler.getFieldString(fieldName);
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if(this.stripTitlePrefix && fieldName === "title") {
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var reStrip = /^\{[^\}]+\}(.+)/mg,
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reMatch = reStrip.exec(value);
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if(reMatch) {
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value = reMatch[1];
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}
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row = $tw.utils.replaceString(row,"$name$",fieldName);
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row = $tw.utils.replaceString(row,"$value$",value);
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row = $tw.utils.replaceString(row,"$encoded_value$",$tw.utils.htmlEncode(value));
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text.push(row);
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}
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row = $tw.utils.replaceString(row,"$name$",fieldName);
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row = $tw.utils.replaceString(row,"$value$",value);
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row = $tw.utils.replaceString(row,"$encoded_value$",$tw.utils.htmlEncode(value));
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text.push(row);
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}
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}
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this.text = text.join("");
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@ -90,11 +99,13 @@ Selectively refreshes the widget if needed. Returns true if the widget or any of
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*/
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FieldsWidget.prototype.refresh = function(changedTiddlers) {
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var changedAttributes = this.computeAttributes();
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if(changedAttributes.tiddler || changedAttributes.template || changedAttributes.exclude || changedAttributes.stripTitlePrefix || changedTiddlers[this.tiddlerTitle]) {
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this.refreshSelf();
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return true;
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if( changedAttributes.tiddler || changedAttributes.template || changedAttributes.exclude ||
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changedAttributes.include || changedAttributes.sort || changedAttributes.sortReverse ||
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changedTiddlers[this.tiddlerTitle] || changedAttributes.stripTitlePrefix) {
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this.refreshSelf();
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return true;
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} else {
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return false;
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return false;
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}
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};
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@ -1,8 +1,12 @@
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created: 20150118134611000
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modified: 20150118183206000
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modified: 20200129165627964
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tags: [[fields Operator]] [[Operator Examples]]
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title: fields Operator (Examples)
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type: text/vnd.tiddlywiki
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<<.operator-example 1 "[[HelloThere]fields[]]" "fields of HelloThere">>
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<<.operator-example 2 "[tag[Common Operators]fields[]]" "fields of all tiddlers tagged as [[Common Operators]]">>
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<<.operator-example 2 "[[HelloThere]fields:include[list title text non-existing]]" """fields of HelloThere using a "short list" of fields. Fields are only shown, if they exist""">>
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<<.operator-example 3 "[[HelloThere]fields:include[list title text]sortby[title list text]]" "fields of HelloThere special sorting">>
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<<.operator-example 4 "[[HelloThere]fields:exclude[list title text]]" "fields of HelloThere using the exclude suffix">>
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<<.operator-example 5 "[[HelloThere]fields[]] -list -title -text" "fields of HelloThere, using several filter runs instead of exclude suffix">>
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<<.operator-example 6 "[tag[Common Operators]fields[]]" "fields of all tiddlers tagged as [[Common Operators]]">>
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@ -1,14 +1,17 @@
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caption: fields
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created: 20140924115616653
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modified: 20150203184828000
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modified: 20200129165038748
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op-input: a [[selection of titles|Title Selection]]
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op-output: all the field names contained in the input tiddlers
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op-parameter: <<.from-version "5.1.22">> optional: a [[list of field names|TiddlerFields]]
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op-purpose: select all field names of the input titles
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op-suffix: <<.from-version "5.1.22">> optional: `include`, `exclude` parameter list
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tags: [[Filter Operators]] [[Field Operators]]
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title: fields Operator
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type: text/vnd.tiddlywiki
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caption: fields
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op-purpose: select all field names of the input titles
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op-input: a [[selection of titles|Title Selection]]
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op-parameter: none
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op-output: all the field names contained in the input tiddlers
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Each input title is processed in turn. Its list of field names is retrieved (in no particular order) and then [[dominantly appended|Dominant Append]] to the operator's output.
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Each input title is processed in turn. Its list of field names is retrieved (in no particular order) and then [[dominantly appended|Dominant Append]] to the operator's output.
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<<.from-version "5.1.22">> If the `include` suffix is used, fields are only included, if they exist. It doesn't matter, if fields have a value. The `exclude` suffix is there for convenience, since it would be possible to use a second filter run. For more info see the examples.
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<<.operator-examples "fields">>
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@ -25,6 +25,9 @@ The content of the `<$fields>` widget is ignored.
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|tiddler |Title of the tiddler from which the fields are to be displayed (defaults to the [[current tiddler|Current Tiddler]]) |
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|template |Text of the template (see above) |
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|exclude |Lists of fields to be excluded (defaults to "text") |
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|include |Lists of fields to be included, if the field exists. This parameter takes precedence over "exclude" |
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|sort |Sorts the fields by name (defaults to "yes"). Set to "no", if "include" order should be retained! |
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|sortReverse |Reverses the sort order|
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|stripTitlePrefix |If set to "yes" then curly bracketed prefixes are removed from titles (for example `{prefix}HelloThere` converts to `HelloThere`) |
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The `stripTitlePrefix` attribute is used when building TiddlyWiki Classic; see `editions/tw2` in the TiddlyWiki5 repo.
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