Bug 35917 [JFace] StringConvertor.asDisplayableString should be deprecated
R2.1 This is the same as asString - there is no need to keep it around any longer. It is also not currently in use in the workbench.
bundles/org.eclipse.jface/src/org/eclipse/jface/resource/StringConverter.java
* This method fails if the value does not represent font data.
	 * <p>
	 * A valid font data representation is a string of the form
	 * <code><it>fontname</it>-<it>style</it>-<it>height</it></code> where
	 * <code><it>fontname</it></code> is the name of a font,
	 * <code><it>style</it></code> is a font style (one of
	 * <code>"regular"</code>, <code>"bold"</code>,
	 * <code>"italic"</code>, or <code>"bold italic"</code>)
	 * and <code><it>height</it></code> is an integer representing the
	 * font height. Example: <code>Times New Roman-bold-36</code>.
	 * </p>
	 *
	 * @param value the value to be converted
	 * @return the value as font data
	 * @exception DataFormatException if the given value does not represent
	 *	font data
	 */
	public static FontData asFontData(String value)
		throws DataFormatException {
		if (value == null)
			throw new DataFormatException("Null doesn't represent a valid font data"); 
		String name = null;
		int height = 0;
		int style = 0;
		try {
			int length = value.length();
			int heightIndex = value.lastIndexOf(SEPARATOR);
			if (heightIndex == -1)
				throw new DataFormatException("No correct font data format \"" + value + "\""); 
			height =