Cleanup of unused code and marks deprecated methods, constants for removal.

bundles/org.eclipse.jface.text/src/org/eclipse/jface/internal/text/html/HTMLPrinter.java

@@ -129,7 +129,7 @@ public static String read(Reader rd) {
 	 * @param bgRGB Background-Color
 	 * @param styleSheet Stylesheet
 	 */
-	@Deprecated
+	@Deprecated(forRemoval= true, since= "2025-12")
 	public static void insertPageProlog(StringBuffer buffer, int position, RGB fgRGB, RGB bgRGB, String styleSheet) {
 		runOp(buffer, (sb) -> CORE.insertPageProlog(sb, position, fromRGB(fgRGB), fromRGB(bgRGB), styleSheet));
 	}
@@ -164,7 +164,7 @@ public static void insertStyles(StringBuilder buffer, String[] styles) {
 	 *
 	 * @deprecated As of 3.13, replaced by {@link #insertStyles(StringBuilder, String[])}
 	 */
-	@Deprecated
+	@Deprecated(forRemoval= true, since= "2025-12")
 	public static void insertStyles(StringBuffer buffer, String[] styles) {
 		runOp(buffer, (sb) -> CORE.insertStyles(sb, styles));
 	}
@@ -186,7 +186,7 @@ public static void insertPageProlog(StringBuilder buffer, int position) {
 	 *
 	 * @deprecated migrate to new StringBuilder API
 	 */
-	@Deprecated
+	@Deprecated(forRemoval= true, since= "2025-12")
 	public static void insertPageProlog(StringBuffer buffer, int position) {
 		runOp(buffer, (sb) -> CORE.insertPageProlog(sb, position));
 	}
@@ -199,7 +199,7 @@ public static void insertPageProlog(StringBuffer buffer, int position) {
 	 *
 	 * @deprecated migrate to new StringBuilder API
 	 */
-	@Deprecated
+	@Deprecated(forRemoval= true, since= "2025-12")
 	public static void insertPageProlog(StringBuffer buffer, int position, URL styleSheetURL) {
 		runOp(buffer, (sb) -> CORE.insertPageProlog(sb, position, styleSheetURL));
 	}
@@ -234,7 +234,7 @@ public static void insertPageProlog(StringBuilder buffer, int position, String s
 	 *
 	 * @deprecated migrate to new StringBuilder API
 	 */
-	@Deprecated
+	@Deprecated(forRemoval= true, since= "2025-12")
 	public static void insertPageProlog(StringBuffer buffer, int position, String styleSheet) {
 		runOp(buffer, (sb) -> CORE.insertPageProlog(sb, position, styleSheet));
 	}
@@ -254,7 +254,7 @@ public static void addPageProlog(StringBuilder buffer) {
 	 *
 	 * @deprecated migrate to new StringBuilder API
 	 */
-	@Deprecated
+	@Deprecated(forRemoval= true, since= "2025-12")
 	public static void addPageProlog(StringBuffer buffer) {
 		runOp(buffer, CORE::addPageProlog);
 	}
@@ -269,7 +269,7 @@ public static void addPageEpilog(StringBuilder buffer) {
 	 *
 	 * @deprecated migrate to new StringBuilder API
 	 */
-	@Deprecated
+	@Deprecated(forRemoval= true, since= "2025-12")
 	public static void addPageEpilog(StringBuffer buffer) {
 		runOp(buffer, CORE::addPageEpilog);
 	}
@@ -289,7 +289,7 @@ public static void startBulletList(StringBuilder buffer) {
 	 *
 	 * @deprecated migrate to new StringBuilder API
 	 */
-	@Deprecated
+	@Deprecated(forRemoval= true, since= "2025-12")
 	public static void startBulletList(StringBuffer buffer) {
 		runOp(buffer, CORE::startBulletList);
 	}
@@ -311,7 +311,7 @@ public static void endBulletList(StringBuilder buffer) {
 	 *
 	 * @deprecated migrate to new StringBuilder API
 	 */
-	@Deprecated
+	@Deprecated(forRemoval= true, since= "2025-12")
 	public static void endBulletList(StringBuffer buffer) {
 		runOp(buffer, CORE::endBulletList);
 	}
@@ -335,7 +335,7 @@ public static void addBullet(StringBuilder buffer, String bullet) {
 	 *
 	 * @deprecated migrate to new StringBuilder API
 	 */
-	@Deprecated
+	@Deprecated(forRemoval= true, since= "2025-12")
 	public static void addBullet(StringBuffer buffer, String bullet) {
 		runOp(buffer, (sb) -> CORE.addBullet(sb, bullet));
 	}
@@ -361,7 +361,7 @@ public static void addSmallHeader(StringBuilder buffer, String header) {
 	 *
 	 * @deprecated migrate to new StringBuilder API
 	 */
-	@Deprecated
+	@Deprecated(forRemoval= true, since= "2025-12")
 	public static void addSmallHeader(StringBuffer buffer, String header) {
 		runOp(buffer, (sb) -> CORE.addSmallHeader(sb, header));
 	}
@@ -383,17 +383,17 @@ public static void addParagraph(StringBuilder buffer, String paragraph) {
 	 *
 	 * @deprecated migrate to new StringBuilder API
 	 */
-	@Deprecated
+	@Deprecated(forRemoval= true, since= "2025-12")
 	public static void addParagraph(StringBuffer buffer, String paragraph) {
 		runOp(buffer, (sb) -> CORE.addParagraph(sb, paragraph));
 	}
 
 	/**
 	 * Appends a string and keeps its whitespace and newlines.
 	 * <p>
-	 * <b>Warning:</b> This starts a new paragraph when rendered in a browser, but
-	 * it doesn't starts a new paragraph when rendered with a {@link HTML2TextReader}
-	 * (e.g. in a {@link DefaultInformationControl} that renders simple HTML).
+	 * <b>Warning:</b> This starts a new paragraph when rendered in a browser, but it doesn't starts
+	 * a new paragraph when rendered with a {@link HTML2TextReader} (e.g. in a
+	 * {@link DefaultInformationControl} that renders simple HTML).
 	 *
 	 * @param buffer the output StringBuilder
 	 * @param preFormatted the string that should be rendered with whitespace preserved
@@ -409,9 +409,9 @@ public static void addPreFormatted(StringBuilder buffer, String preFormatted) {
 	/**
 	 * Appends a string and keeps its whitespace and newlines.
 	 * <p>
-	 * <b>Warning:</b> This starts a new paragraph when rendered in a browser, but
-	 * it doesn't starts a new paragraph when rendered with a {@link HTML2TextReader}
-	 * (e.g. in a {@link DefaultInformationControl} that renders simple HTML).
+	 * <b>Warning:</b> This starts a new paragraph when rendered in a browser, but it doesn't starts
+	 * a new paragraph when rendered with a {@link HTML2TextReader} (e.g. in a
+	 * {@link DefaultInformationControl} that renders simple HTML).
 	 *
 	 * @param buffer the output buffer
 	 * @param preFormatted the string that should be rendered with whitespace preserved
@@ -422,7 +422,7 @@ public static void addPreFormatted(StringBuilder buffer, String preFormatted) {
 	 * @see #convertToHTMLContentWithWhitespace(String)
 	 * @since 3.7
 	 */
-	@Deprecated
+	@Deprecated(forRemoval= true, since= "2025-12")
 	public static void addPreFormatted(StringBuffer buffer, String preFormatted) {
 		runOp(buffer, (sb) -> CORE.addPreFormatted(sb, preFormatted));
 	}
@@ -444,7 +444,7 @@ public static void addParagraph(StringBuilder buffer, Reader paragraphReader) {
 	 *
 	 * @deprecated migrate to new StringBuilder API
 	 */
-	@Deprecated
+	@Deprecated(forRemoval= true, since= "2025-12")
 	public static void addParagraph(StringBuffer buffer, Reader paragraphReader) {
 		runOp(buffer, (sb) -> CORE.addParagraph(sb, paragraphReader));
 	}

bundles/org.eclipse.jface.text/src/org/eclipse/jface/internal/text/revisions/RevisionPainter.java

@@ -382,16 +382,16 @@ protected IInformationControl doCreateInformationControl(Shell parent) {
 					 *
 					 * @deprecated use {@link #setInput(Object)}
 					 */
-					@Deprecated
+					@Deprecated(forRemoval= true, since= "2025-12")
 					@Override
 					public void setInformation(String content) {
 						content= addCSSToHTMLFragment(content);
 						super.setInformation(content);
 					}
 
 					/**
-					 * Adds a HTML header and CSS info if <code>html</code> is only an HTML fragment (has no
-					 * &lt;html&gt; section).
+					 * Adds a HTML header and CSS info if <code>html</code> is only an HTML fragment
+					 * (has no &lt;html&gt; section).
 					 *
 					 * @param html the html / text produced by a revision
 					 * @return modified html

bundles/org.eclipse.jface.text/src/org/eclipse/jface/text/DefaultInformationControl.java

@@ -232,7 +232,7 @@ public DefaultInformationControl(Shell parent, IInformationPresenter presenter)
 	 * @param presenter the presenter to be used
 	 * @deprecated As of 3.4, replaced by simpler constructors
 	 */
-	@Deprecated
+	@Deprecated(forRemoval= true, since= "2025-12")
 	public DefaultInformationControl(Shell parent, int shellStyle, int style, IInformationPresenter presenter) {
 		this(parent, shellStyle, style, presenter, null);
 	}
@@ -269,7 +269,7 @@ public DefaultInformationControl(Shell parentShell, int shellStyle, final int st
 	 * @param presenter the presenter to be used
 	 * @deprecated As of 3.4, replaced by {@link #DefaultInformationControl(Shell, DefaultInformationControl.IInformationPresenter)}
 	 */
-	@Deprecated
+	@Deprecated(forRemoval= true, since= "2025-12")
 	public DefaultInformationControl(Shell parent, int textStyles, IInformationPresenter presenter) {
 		this(parent, textStyles, presenter, null);
 	}

bundles/org.eclipse.jface.text/src/org/eclipse/jface/text/TextViewer.java

@@ -2008,7 +2008,7 @@ protected int getEmptySelectionChangedEventDelay() {
 	 *             {@link ITextViewerExtension2#prependAutoEditStrategy(IAutoEditStrategy, String)} and
 	 *             {@link ITextViewerExtension2#removeAutoEditStrategy(IAutoEditStrategy, String)} instead
 	 */
-	@Deprecated
+	@Deprecated(forRemoval= true, since= "2025-12")
 	@Override
 	public void setAutoIndentStrategy(IAutoIndentStrategy strategy, String contentType) {
 		setAutoEditStrategies(new IAutoEditStrategy[] { strategy }, contentType);
@@ -3212,7 +3212,7 @@ public void setTopIndex(int index) {
 	 * @return the view port height in lines
 	 * @deprecated as of 3.2
 	 */
-	@Deprecated
+	@Deprecated(forRemoval= true, since= "2025-12")
 	protected int getVisibleLinesInViewport() {
 		if (fTextWidget != null) {
 			Rectangle clArea= fTextWidget.getClientArea();
@@ -3429,7 +3429,7 @@ protected void internalRevealRange(int start, int end) {
 	 * @return the width of the presentation of the given string
 	 * @deprecated use <code>getWidthInPixels(int, int)</code> instead
 	 */
-	@Deprecated
+	@Deprecated(forRemoval= true, since= "2025-12")
 	final protected int getWidthInPixels(String text) {
 		GC gc= new GC(fTextWidget);
 		gc.setFont(fTextWidget.getFont());
@@ -4308,7 +4308,7 @@ protected void copyMarkedRegion(boolean delete) {
 	 *
 	 * @deprecated use <code>StyledText.invokeAction</code> instead
 	 */
-	@Deprecated
+	@Deprecated(forRemoval= true, since= "2025-12")
 	protected void deleteText() {
 		fTextWidget.invokeAction(ST.DELETE_NEXT);
 	}
@@ -4429,7 +4429,7 @@ private IRegion getTextBlockFromSelection(ITextSelection selection) throws BadLo
 	 *
 	 * @deprecated use shift(boolean, boolean, boolean) instead
 	 */
-	@Deprecated
+	@Deprecated(forRemoval= true, since= "2025-12")
 	protected void shift(boolean useDefaultPrefixes, boolean right) {
 		shift(useDefaultPrefixes, right, false);
 	}
@@ -4712,7 +4712,7 @@ protected boolean canPerformFind() {
 	 * @return the model offset of the first match
 	 * @deprecated as of 3.0 use {@link #findAndSelect(int, String, boolean, boolean, boolean, boolean)}
 	 */
-	@Deprecated
+	@Deprecated(forRemoval= true, since= "2025-12")
 	protected int findAndSelect(int startPosition, String findString, boolean forwardSearch, boolean caseSensitive, boolean wholeWord) {
 		try {
 			return findAndSelect(startPosition, findString, forwardSearch, caseSensitive, wholeWord, false);

bundles/org.eclipse.jface.text/src/org/eclipse/jface/text/contentassist/IContentAssistProcessorExtension.java

@@ -98,13 +98,13 @@ public ICompletionProposal[] computeCompletionProposals(ITextViewer viewer, int
 				return processor.computeCompletionProposals(viewer, offset);
 			}
 
-			@Deprecated
+			@Deprecated(forRemoval= true, since= "2025-12")
 			@Override
 			public char[] getCompletionProposalAutoActivationCharacters() {
 				return processor.getCompletionProposalAutoActivationCharacters();
 			}
 
-			@Deprecated
+			@Deprecated(forRemoval= true, since= "2025-12")
 			@Override
 			public char[] getContextInformationAutoActivationCharacters() {
 				return processor.getContextInformationAutoActivationCharacters();

bundles/org.eclipse.jface.text/src/org/eclipse/jface/text/formatter/ContentFormatter.java

@@ -323,7 +323,7 @@ public void setFormattingStrategy(IFormattingStrategy strategy, String contentTy
 	 * @deprecated incompatible with an open set of document partitionings. The provided information is only used
 	 * 		if this formatter can not compute the partition managing position categories.
 	 */
-	@Deprecated
+	@Deprecated(forRemoval= true, since= "2025-12")
 	public void setPartitionManagingPositionCategories(String[] categories) {
 		fExternalPartitonManagingCategories= TextUtilities.copy(categories);
 	}

bundles/org.eclipse.jface.text/src/org/eclipse/jface/text/hyperlink/URLHyperlinkDetector.java

@@ -47,7 +47,7 @@ public URLHyperlinkDetector() {
 	 * @param textViewer the text viewer in which to detect the hyperlink
 	 * @deprecated As of 3.2, replaced by {@link URLHyperlinkDetector}
 	 */
-	@Deprecated
+	@Deprecated(forRemoval= true, since= "2025-12")
 	public URLHyperlinkDetector(ITextViewer textViewer) {
 	}
 

bundles/org.eclipse.jface.text/src/org/eclipse/jface/text/rules/RuleBasedDamagerRepairer.java

@@ -21,7 +21,7 @@
 /**
  * @deprecated use <code>DefaultDamagerRepairer</code>
  */
-@Deprecated
+@Deprecated(forRemoval= true, since= "2025-12")
 public class RuleBasedDamagerRepairer extends DefaultDamagerRepairer {
 
 	/**
@@ -34,7 +34,7 @@ public class RuleBasedDamagerRepairer extends DefaultDamagerRepairer {
 	 *
 	 * @deprecated use RuleBasedDamagerRepairer(RuleBasedScanner) instead
 	 */
-	@Deprecated
+	@Deprecated(forRemoval= true, since= "2025-12")
 	public RuleBasedDamagerRepairer(RuleBasedScanner scanner, TextAttribute defaultTextAttribute) {
 		super(scanner, defaultTextAttribute);
 	}

bundles/org.eclipse.jface.text/src/org/eclipse/jface/text/source/AnnotationBarHoverManager.java

@@ -177,7 +177,7 @@ public void stop() {
 		 * @param delayRestart <code>true</code> if restart should be delayed
 		 * @deprecated As of 3.4, replaced by {@link #stop()}. Note that <code>delayRestart</code> was never honored.
 		 */
-		@Deprecated
+		@Deprecated(forRemoval= true, since= "2025-12")
 		protected void stop(boolean delayRestart) {
 			stop();
 		}
@@ -313,7 +313,7 @@ public void widgetDisposed(DisposeEvent e) {
 	 * @param creator the information control creator
 	 * @deprecated As of 2.1, replaced by {@link AnnotationBarHoverManager#AnnotationBarHoverManager(IVerticalRulerInfo, ISourceViewer, IAnnotationHover, IInformationControlCreator)}
 	 */
-	@Deprecated
+	@Deprecated(forRemoval= true, since= "2025-12")
 	public AnnotationBarHoverManager(ISourceViewer sourceViewer, IVerticalRuler ruler, IAnnotationHover annotationHover, IInformationControlCreator creator) {
 		this(ruler, sourceViewer, annotationHover, creator);
 	}

bundles/org.eclipse.jface.text/src/org/eclipse/jface/text/source/AnnotationColumn.java

@@ -21,7 +21,7 @@
  *             instead.
  * @since 2.0
  */
-@Deprecated
+@Deprecated(forRemoval= true, since= "2025-12")
 public final class AnnotationColumn extends AnnotationRulerColumn {
 
 	/**
@@ -32,7 +32,7 @@ public final class AnnotationColumn extends AnnotationRulerColumn {
 	 *             {@link org.eclipse.jface.text.source.AnnotationRulerColumn#AnnotationRulerColumn(int)}
 	 *             instead
 	 */
-	@Deprecated
+	@Deprecated(forRemoval= true, since= "2025-12")
 	public AnnotationColumn(int width) {
 		super(width);
 	}

bundles/org.eclipse.jface.text/src/org/eclipse/jface/text/source/AnnotationPainter.java

@@ -1141,7 +1141,7 @@ public void setAnnotationTypeColor(Object annotationType, Color color) {
 	 *             {@link #addTextStyleStrategy(Object, AnnotationPainter.ITextStyleStrategy)} and
 	 *             {@link UnderlineStrategy}
 	 */
-	@Deprecated
+	@Deprecated(forRemoval= true, since= "2025-12")
 	public void addAnnotationType(Object annotationType) {
 		addAnnotationType(annotationType, SQUIGGLES);
 	}

bundles/org.eclipse.jface.text/src/org/eclipse/jface/text/source/ChangeRulerColumn.java

@@ -152,7 +152,7 @@ public void textChanged(TextEvent event) {
 	 *
 	 * @deprecated since 3.2 use {@link #ChangeRulerColumn(ISharedTextColors)} instead
 	 */
-	@Deprecated
+	@Deprecated(forRemoval= true, since= "2025-12")
 	public ChangeRulerColumn() {
 		fRevisionPainter= null;
 		fDiffPainter= new DiffPainter(this, null);
@@ -283,7 +283,7 @@ private void doubleBufferPaint(GC dest) {
 	 * @deprecated as of 3.2 the number of lines in the viewport cannot be computed because
 	 *             StyledText supports variable line heights
 	 */
-	@Deprecated
+	@Deprecated(forRemoval= true, since= "2025-12")
 	protected int getVisibleLinesInViewport() {
 		// Hack to reduce amount of copied code.
 		return LineNumberRulerColumn.getVisibleLinesInViewport(fCachedTextWidget);

bundles/org.eclipse.jface.text/src/org/eclipse/jface/text/source/VerticalRuler.java

@@ -599,7 +599,7 @@ public void setLocationOfLastMouseButtonActivity(int x, int y) {
 	 * @deprecated will be removed
 	 * @since 2.0
 	 */
-	@Deprecated
+	@Deprecated(forRemoval= true, since= "2025-12")
 	public void addMouseListener(MouseListener listener) {
 		if (fCanvas != null && !fCanvas.isDisposed()) {
 			fCanvas.addMouseListener(listener);
@@ -613,7 +613,7 @@ public void addMouseListener(MouseListener listener) {
 	 * @deprecated will be removed
 	 * @since 2.0
 	 */
-	@Deprecated
+	@Deprecated(forRemoval= true, since= "2025-12")
 	public void removeMouseListener(MouseListener listener) {
 		if (fCanvas != null && !fCanvas.isDisposed()) {
 			fCanvas.removeMouseListener(listener);

bundles/org.eclipse.jface.text/src/org/eclipse/jface/text/templates/TemplateCompletionProcessor.java

@@ -106,7 +106,7 @@ public ICompletionProposal[] computeCompletionProposals(ITextViewer viewer, int
 	 * @deprecated use the version specifying <code>IRegion</code> as third parameter
 	 * @since 3.1
 	 */
-	@Deprecated
+	@Deprecated(forRemoval= true, since= "2025-12")
 	protected ICompletionProposal createProposal(Template template, TemplateContext context, Region region, int relevance) {
 		return createProposal(template, context, (IRegion) region, relevance);
 	}