Add missing descriptions to Colours and Fonts theme entries in Preferences

debug/org.eclipse.debug.ui/plugin.properties

@@ -213,6 +213,8 @@ ActionDefinition.toggleStepFilters.description= Toggles enablement of debug step
 ActionDefinition.stepInto.name= Step Into
 ActionDefinition.stepInto.description= Step into
 
+org.eclipse.debug.ui.presentation.description = Colors and fonts used for debug sessions, breakpoints and variables.
+
 ActionDefinition.stepOver.name= Step Over
 ActionDefinition.stepOver.description= Step over
 

debug/org.eclipse.debug.ui/plugin.xml

@@ -2995,9 +2995,12 @@ M4 = Platform-specific fourth key
            perspectiveId="org.eclipse.debug.ui.DebugPerspective"/>
   </extension>
 
-   <extension
-         point="org.eclipse.ui.themes">
-		<themeElementCategory label="%debugPresentation.label" id="org.eclipse.debug.ui.presentation"/>
+	<extension point="org.eclipse.ui.themes">
+		<themeElementCategory id="org.eclipse.debug.ui.presentation" label="%debugPresentation.label">
+			<description>
+				%org.eclipse.debug.ui.presentation.description
+			</description>
+		</themeElementCategory>
       <fontDefinition
             label="%DetailPaneFontDefinition.label"
             defaultsTo="org.eclipse.jface.textfont"

team/bundles/org.eclipse.compare/plugin.properties

@@ -1,5 +1,5 @@
 ###############################################################################
-# Copyright (c) 2000, 2025 IBM Corporation and others.
+# Copyright (c) 2000, 2026 IBM Corporation and others.
 #
 # This program and the accompanying materials
 # are made available under the terms of the Eclipse Public License 2.0
@@ -167,6 +167,8 @@ ComparePreferencePage.colorAndFontLink=See <a>''{0}''</a> preferences for text c
 
 textCompareAppearance.label=Text Compare
 
+org.eclipse.compare.contentmergeviewer.TextMergeViewer=Colors and fonts used in compare editors to indicate differences, conflicts, and changes.
+
 compareIncomingColor.label= Incoming change color
 compareIncomingColor.description= The color used to indicate an incoming change in compare and merge tools.
 compareOutgoingColor.label= Outgoing change color

team/bundles/org.eclipse.compare/plugin.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <?eclipse version="3.0"?>
 <!--
-    Copyright (c) 2001, 2019 IBM Corporation and others.
+    Copyright (c) 2001, 2026 IBM Corporation and others.
 
     This program and the accompanying materials
     are made available under the terms of the Eclipse Public License 2.0
@@ -30,6 +30,9 @@
       <themeElementCategory
             label="%textCompareAppearance.label"
             id="org.eclipse.compare.contentmergeviewer.TextMergeViewer">
+         <description>
+            %org.eclipse.compare.contentmergeviewer.TextMergeViewer
+         </description>
       </themeElementCategory>
       <colorDefinition
             label="%compareIncomingColor.label"