Bug 99140 [preferences] Syntax coloring preference page does not update preview
N20050609-0010 + JDT/Core & UI from HEAD Syntax coloring preference page does not update preview: - enable 'Auto(un)boxed expressions' -> changing one of the color or font settings does not update the preview - toggling 'Enable' updates the preview
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/SemanticHighlightingManager.java
*/
		public void undelete() {
			synchronized (fLock) {
				super.undelete();
			}
		}
		/**
		 * @return Returns the highlighting.
		 */
		public Highlighting getHighlighting() {
			return fStyle;
		}
	}
	/**
	 * Highlighted ranges.
	 */
	public static class HighlightedRange extends Region {
		
		private String fKey;
		/**
		 * Initialize with the given offset, length and highlighting key.
		 *
		 * @param offset
		 * @param length
		 * @param key the highlighting key as returned by {@link SemanticHighlighting#getPreferenceKey()}
		 */
		public HighlightedRange(int offset, int length, String key) {
			super(offset, length);
			fKey= key;
		}