Bug 6146 Java Editor Preference Page is missing most of the mnemonics
summary says it all.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/JavaEditorPreferencePage.java
gd.horizontalAlignment= GridData.BEGINNING;
		label.setLayoutData(gd);
		fColorEditor= new ColorEditor(stylesComposite);
		Button colorButton= fColorEditor.getButton();
		gd= new GridData(GridData.FILL_HORIZONTAL);
		gd.horizontalAlignment= GridData.BEGINNING;
		colorButton.setLayoutData(gd);
		
		label= new Label(stylesComposite, SWT.LEFT);
		label.setText("Bold:");
		gd= new GridData();
		gd.horizontalAlignment= GridData.BEGINNING;
		label.setLayoutData(gd);
		
		fBoldCheckBox= new Button(stylesComposite, SWT.CHECK);
		gd= new GridData(GridData.FILL_HORIZONTAL);
		gd.horizontalAlignment= GridData.BEGINNING;
		fBoldCheckBox.setLayoutData(gd);
		
		label= new Label(colorComposite, SWT.LEFT);
		label.setText("Preview");
		label.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
		
		Control previewer= createPreviewer(colorComposite);
		gd= new GridData(GridData.FILL_BOTH);
		gd.widthHint= convertWidthInCharsToPixels(80);
		gd.heightHint= convertHeightInCharsToPixels(15);
		previewer.setLayoutData(gd);
		
		fList.addSelectionListener(new SelectionListener() {