Bug 53010 Editor preferences do not take effect on open editors
I-20040224 Go to the Java > Editor > Syntax preference page. Change the keyword color to red. Press Ok. At this point, we use to see the preview update. Not on this build (problem #1). Press Ok, and close the pref dialog. The java editor that was already open did not update. I had to close it and reopen it for the colors to take effect (problem #2)
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/JavaEditor.java
segments[j++]= offset;
				
			if (offset + segment.getLength() >= line.getLength())
				break;
				
			segments[j++]= offset + segment.getLength();
		}
		
		if (j < segments.length) {
			int[] result= new int[j];
			System.arraycopy(segments, 0, result, 0, j);
			segments= result;
		}
		
		return segments;
	}
		
	/**
	 * Returns a segmentation of the given line appropriate for bidi rendering. The default
	 * implementation returns only the string literals of a java code line as segments.
	 * 
	 * @param lineOffset the offset of the line
	 * @param line the content of the line
	 * @return the line's bidi segmentation
	 */
	protected int[] getBidiLineSegments(int widgetLineOffset, String line) {
		if (line != null && line.length() > 0) {
			ISourceViewer sourceViewer= getSourceViewer();
			if (sourceViewer != null) {
				int lineOffset;