Bug 223732 [Viewers] Rename StyledStringBuilder to StyledString
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/StyledStringBuilder.java
return append(String.valueOf(ch), null);
	}
	/**
	 * Appends a string with styles to the {@link StyledStringBuilder}.
	 * 
	 * @param string
	 *            the string to append
	 * @return returns a reference to this object
	 */
	public StyledStringBuilder append(StyledStringBuilder string) {
		if (string.length() == 0) {
			return this;
		}
		int offset = fBuffer.length();
		fBuffer.append(string.toString());
		List otherRuns = string.fStyleRuns;
		if (otherRuns != null && !otherRuns.isEmpty()) {
			for (int i = 0; i < otherRuns.size(); i++) {
				StyleRun curr = (StyleRun) otherRuns.get(i);
				if (i == 0 && curr.offset != 0) {
					appendStyleRun(null, offset); 
					
					
				}
				appendStyleRun(curr.style, offset + curr.offset);
			}
		} else {
			appendStyleRun(null, offset); 
			
		}