Initial commit

* Add testcase to illustrate the bug in #8330

* Move new testcase to tw5.com edition

core/images/input-button.tid

@@ -0,0 +1,5 @@
+title: $:/core/images/input-button
+tags: $:/tags/Image
+
+\parameters (size:"22pt")
+<svg width=<<size>> height=<<size>> class="tc-image-input-button tc-image-button" viewBox="0 0 22 22"><path d="M1.375 22h19.249c.365 0 .716-.145.973-.404v.001c.258-.257.404-.607.403-.972v-11a1.376 1.376 0 0 0-2.75 0v9.625H2.75V9.625a1.376 1.376 0 0 0-2.75 0v11C0 21.384.617 22 1.375 22Z"/><path d="m9.732 11.904-1.541-1.541a1.375 1.375 0 1 0-1.944 1.944l3.887 3.888c.258.258.608.402.973.402h-.001c.353 0 .705-.134.974-.402l3.888-3.889a1.376 1.376 0 0 0 .001-1.944 1.377 1.377 0 0 0-1.946 0l-1.541 1.542V1.376a1.375 1.375 0 1 0-2.75 0v10.528Z"/></svg>

core/modules/startup/plugins.js

@@ -61,7 +61,7 @@ exports.startup = function() {
 				// Collect the shadow tiddlers of any modified plugins
 				$tw.utils.each(changes.modifiedPlugins,function(pluginTitle) {
 					var pluginInfo = $tw.wiki.getPluginInfo(pluginTitle);
-					if(pluginInfo) {
+					if(pluginInfo && pluginInfo.tiddlers) {
 						$tw.utils.each(Object.keys(pluginInfo.tiddlers),function(title) {
 							changedShadowTiddlers[title] = false;
 						});

core/ui/TestCases/DefaultTemplate.tid

@@ -15,7 +15,7 @@ title: $:/core/ui/testcases/DefaultTemplate
 	<div class="tc-test-case-wrapper">
 		<div class="tc-test-case-header">
 			<h2>
-				<$genesis $type={{{ [<linkTarget>!match[]then[$link]else[div]] }}} to=<<testcaseTiddler>>>
+				<$genesis $type={{{ [<linkTarget>!match[]then[$link]else[span]] }}} to=<<testcaseTiddler>>>
 					<%if [<testResult>!match[]] %>
 						<span class={{{ tc-test-case-result-icon [<testResult>!match[fail]then[tc-test-case-result-icon-pass]] [<testResult>match[fail]then[tc-test-case-result-icon-fail]] +[join[ ]] }}}>
 							<%if [<testResult>!match[fail]] %>

core/ui/TestCases/actions/Import.tid

@@ -4,7 +4,7 @@ tags: $:/tags/TestCase/Actions
 \whitespace trim
 <$button tooltip={{$:/language/Buttons/TestCaseImport/Hint}} aria-label={{$:/language/Buttons/TestCaseImport/Caption}} class=<<tv-config-toolbar-class>>>
 <$action-sendmessage $message="tm-import-tiddlers" $param=<<payloadTiddlers>>/>
-{{$:/core/images/permalink-button}}
+{{$:/core/images/input-button}}
 <span class="tc-btn-text">
 <$text text={{$:/language/Buttons/TestCaseImport/Caption}}/>
 </span>

editions/tw5.com/tiddlers/testcases/DataWidget/FilterMissingTiddler.tid

@@ -0,0 +1,17 @@
+title: TestCases/DataWidget/FilterMissingTiddler
+type: text/vnd.tiddlywiki-multiple
+tags: [[$:/tags/wiki-test-spec]]
+description: Filter returns title of missing tiddler
+display-format: plaintext
+
+title: Narrative
+
+When the $filter attribute of the data widget returns the title of a missing tiddler, no tiddler should be added to the output array of tiddlers.
++
+title: Output
+
+<$data $filter="missing"/>
++
+title: ExpectedResult
+
+<p>[]</p>