diff --git a/editions/tw5.com/tiddlers/releasenotes/Release 5.2.1.tid b/editions/tw5.com/tiddlers/releasenotes/Release 5.2.1.tid
diff --git a/editions/tw5.com/tiddlers/releasenotes/ReleaseTemplate.tid b/editions/tw5.com/tiddlers/releasenotes/ReleaseTemplate.tid
diff --git a/editions/tw5.com/tiddlers/releasenotes/alpha/AlphaReleases.tid b/editions/tw5.com/tiddlers/releasenotes/alpha/AlphaReleases.tid
diff --git a/editions/tw5.com/tiddlers/saving/Example config-tiddlyweb-host for IIS.txt.meta b/editions/tw5.com/tiddlers/saving/Example config-tiddlyweb-host for IIS.txt.meta
diff --git a/editions/tw5.com/tiddlers/saving/Example package.json for IIS.txt.meta b/editions/tw5.com/tiddlers/saving/Example package.json for IIS.txt.meta
diff --git a/editions/tw5.com/tiddlers/saving/Example tiddlywiki.info for IIS.txt.meta b/editions/tw5.com/tiddlers/saving/Example tiddlywiki.info for IIS.txt.meta
diff --git a/editions/tw5.com/tiddlers/saving/Example web.config for IIS.txt.meta b/editions/tw5.com/tiddlers/saving/Example web.config for IIS.txt.meta
diff --git a/editions/tw5.com/tiddlers/saving/Saving via WebDAV.tid b/editions/tw5.com/tiddlers/saving/Saving via WebDAV.tid
diff --git a/editions/tw5.com/tiddlers/styleguide/Documentation Macros.tid b/editions/tw5.com/tiddlers/styleguide/Documentation Macros.tid
diff --git a/...ions/tw5.com/tiddlers/TableOfContents.tid → ...5.com/tiddlers/system/TableOfContents.tid b/...ions/tw5.com/tiddlers/TableOfContents.tid → ...5.com/tiddlers/system/TableOfContents.tid
diff --git a/editions/tw5.com/tiddlers/system/doc-macros.tid b/editions/tw5.com/tiddlers/system/doc-macros.tid
diff --git a/editions/tw5.com/tiddlers/system/doc-styles.tid b/editions/tw5.com/tiddlers/system/doc-styles.tid
diff --git a/editions/tw5.com/tiddlers/system/operator-macros.tid b/editions/tw5.com/tiddlers/system/operator-macros.tid
diff --git a/editions/tw5.com/tiddlers/system/operator-template.tid b/editions/tw5.com/tiddlers/system/operator-template.tid
diff --git a/editions/tw5.com/tiddlers/systemtags/SystemTag_ $__tags_Image.tid b/editions/tw5.com/tiddlers/systemtags/SystemTag_ $__tags_Image.tid
diff --git a/editions/tw5.com/tiddlers/variables/examples/Sample Headings 1-2-3.tid b/editions/tw5.com/tiddlers/variables/examples/Sample Headings 1-2-3.tid
diff --git a/editions/tw5.com/tiddlers/variables/examples/Sample Headings 3-4-5.tid b/editions/tw5.com/tiddlers/variables/examples/Sample Headings 3-4-5.tid
diff --git a/editions/tw5.com/tiddlers/variables/examples/Sample Headings 4-5-6.tid b/editions/tw5.com/tiddlers/variables/examples/Sample Headings 4-5-6.tid
diff --git a/editions/tw5.com/tiddlers/widgets/ActionCreateTiddlerWidget Example 1.tid b/editions/tw5.com/tiddlers/widgets/ActionCreateTiddlerWidget Example 1.tid
diff --git a/editions/tw5.com/tiddlers/widgets/ActionCreateTiddlerWidget Example 2.tid b/editions/tw5.com/tiddlers/widgets/ActionCreateTiddlerWidget Example 2.tid
diff --git a/editions/tw5.com/tiddlers/widgets/ActionCreateTiddlerWidget Example 3.tid b/editions/tw5.com/tiddlers/widgets/ActionCreateTiddlerWidget Example 3.tid
diff --git a/editions/tw5.com/tiddlers/widgets/ActionCreateTiddlerWidget Example 4.tid b/editions/tw5.com/tiddlers/widgets/ActionCreateTiddlerWidget Example 4.tid
diff --git a/editions/tw5.com/tiddlers/widgets/ActionCreateTiddlerWidget Template.tid b/editions/tw5.com/tiddlers/widgets/ActionCreateTiddlerWidget Template.tid
diff --git a/editions/tw5.com/tiddlers/widgets/ActionCreateTiddlerWidget_Example.tid b/editions/tw5.com/tiddlers/widgets/ActionCreateTiddlerWidget_Example.tid
diff --git a/editions/tw5.com/tiddlers/widgets/ActionListopsWidget.tid b/editions/tw5.com/tiddlers/widgets/ActionListopsWidget.tid
diff --git a/editions/tw5.com/tiddlers/widgets/ActionSendMessageWidget.tid b/editions/tw5.com/tiddlers/widgets/ActionSendMessageWidget.tid
diff --git a/editions/tw5.com/tiddlers/widgets/ActionSetMultipleFieldsWidget.tid b/editions/tw5.com/tiddlers/widgets/ActionSetMultipleFieldsWidget.tid
diff --git a/editions/tw5.com/tiddlers/widgets/ActionWidget Execution Modes.tid b/editions/tw5.com/tiddlers/widgets/ActionWidget Execution Modes.tid
diff --git a/editions/tw5.com/tiddlers/widgets/ActionWidgets.tid b/editions/tw5.com/tiddlers/widgets/ActionWidgets.tid
diff --git a/editions/tw5.com/tiddlers/widgets/ButtonWidget.tid b/editions/tw5.com/tiddlers/widgets/ButtonWidget.tid
diff --git a/editions/tw5.com/tiddlers/widgets/CheckboxWidget.tid b/editions/tw5.com/tiddlers/widgets/CheckboxWidget.tid
diff --git a/editions/tw5.com/tiddlers/widgets/DraggableWidget.tid b/editions/tw5.com/tiddlers/widgets/DraggableWidget.tid
diff --git a/editions/tw5.com/tiddlers/widgets/DroppableWidget.tid b/editions/tw5.com/tiddlers/widgets/DroppableWidget.tid
diff --git a/editions/tw5.com/tiddlers/widgets/DropzoneWidget.tid b/editions/tw5.com/tiddlers/widgets/DropzoneWidget.tid
diff --git a/editions/tw5.com/tiddlers/widgets/EditTextWidget.tid b/editions/tw5.com/tiddlers/widgets/EditTextWidget.tid
diff --git a/editions/tw5.com/tiddlers/widgets/EditWidget.tid b/editions/tw5.com/tiddlers/widgets/EditWidget.tid
diff --git a/editions/tw5.com/tiddlers/widgets/EventCatcherWidget.tid b/editions/tw5.com/tiddlers/widgets/EventCatcherWidget.tid
diff --git a/editions/tw5.com/tiddlers/widgets/FieldManglerWidget.tid b/editions/tw5.com/tiddlers/widgets/FieldManglerWidget.tid
diff --git a/editions/tw5.com/tiddlers/Keyboard Codes.tid → ...5.com/tiddlers/widgets/Keyboard Codes.tid b/editions/tw5.com/tiddlers/Keyboard Codes.tid → ...5.com/tiddlers/widgets/Keyboard Codes.tid
diff --git a/editions/tw5.com/tiddlers/widgets/KeyboardWidget.tid b/editions/tw5.com/tiddlers/widgets/KeyboardWidget.tid
diff --git a/editions/tw5.com/tiddlers/widgets/LetWidget.tid b/editions/tw5.com/tiddlers/widgets/LetWidget.tid
diff --git a/editions/tw5.com/tiddlers/widgets/LinkCatcherWidget.tid b/editions/tw5.com/tiddlers/widgets/LinkCatcherWidget.tid
diff --git a/editions/tw5.com/tiddlers/widgets/ListopsData.tid b/editions/tw5.com/tiddlers/widgets/ListopsData.tid
diff --git a/editions/tw5.com/tiddlers/widgets/MessageCatcherWidget.tid b/editions/tw5.com/tiddlers/widgets/MessageCatcherWidget.tid
diff --git a/editions/tw5.com/tiddlers/widgets/MessageHandlerWidgets.tid b/editions/tw5.com/tiddlers/widgets/MessageHandlerWidgets.tid
diff --git a/editions/tw5.com/tiddlers/widgets/NavigatorWidget.tid b/editions/tw5.com/tiddlers/widgets/NavigatorWidget.tid
diff --git a/editions/tw5.com/tiddlers/widgets/RadioWidget.tid b/editions/tw5.com/tiddlers/widgets/RadioWidget.tid
diff --git a/editions/tw5.com/tiddlers/widgets/RangeWidget.tid b/editions/tw5.com/tiddlers/widgets/RangeWidget.tid
diff --git a/editions/tw5.com/tiddlers/widgets/SelectWidget.tid b/editions/tw5.com/tiddlers/widgets/SelectWidget.tid
diff --git a/editions/tw5.com/tiddlers/widgets/SetMultipleVariablesWidget.tid b/editions/tw5.com/tiddlers/widgets/SetMultipleVariablesWidget.tid
diff --git a/editions/tw5.com/tiddlers/widgets/The Extended Listops Filters.tid b/editions/tw5.com/tiddlers/widgets/The Extended Listops Filters.tid
diff --git a/editions/tw5.com/tiddlers/widgets/TriggeringWidgets.tid b/editions/tw5.com/tiddlers/widgets/TriggeringWidgets.tid
diff --git a/editions/tw5.com/tiddlers/widgets/VarsWidget.tid b/editions/tw5.com/tiddlers/widgets/VarsWidget.tid
diff --git a/editions/tw5.com/tiddlers/wikitext/Transclusion and Substitution.tid b/editions/tw5.com/tiddlers/wikitext/Transclusion and Substitution.tid
diff --git a/languages/pl-PL/ControlPanel.multids b/languages/pl-PL/ControlPanel.multids
diff --git a/languages/pl-PL/Docs/PaletteColours.multids b/languages/pl-PL/Docs/PaletteColours.multids
diff --git a/languages/pl-PL/Import.multids b/languages/pl-PL/Import.multids
diff --git a/languages/pl-PL/Misc.multids b/languages/pl-PL/Misc.multids
diff --git a/languages/pl-PL/SideBar.multids b/languages/pl-PL/SideBar.multids
diff --git a/languages/zh-Hans/ControlPanel.multids b/languages/zh-Hans/ControlPanel.multids
diff --git a/languages/zh-Hant/ControlPanel.multids b/languages/zh-Hant/ControlPanel.multids
diff --git a/licenses/cla-individual.md b/licenses/cla-individual.md
diff --git a/package.json b/package.json
diff --git a/plugins/tiddlywiki/codemirror/engine.js b/plugins/tiddlywiki/codemirror/engine.js
diff --git a/readme.md b/readme.md
diff --git a/themes/tiddlywiki/vanilla/ThemeTweaks.tid b/themes/tiddlywiki/vanilla/ThemeTweaks.tid
diff --git a/themes/tiddlywiki/vanilla/base.tid b/themes/tiddlywiki/vanilla/base.tid
diff --git a/themes/tiddlywiki/vanilla/reset.tid b/themes/tiddlywiki/vanilla/reset.tid