/**
	 * Mirror of the unicode table from 00c0 to 024f without diacritics.
	 */
	//Latin 1 - Latin Extended-B
	private static final String tab00c0 = "aaaaaaaceeeeiiii" +
	    "DNOOOOO\u00d7\u00d8UUUUYI\u00df" +
	    "aaaaaaaceeeeiiii" +
	    "\u00f0nooooo\u00f7\u00f8uuuuy\u00fey" +
	    "aaaaaaccccccccdd" +
	    "ddeeeeeeeeeegggg" +
	    "gggghhhhiiiiiiii" +
	    "iijjjjkkklllllll" +
	    "lllnnnnnnnnnoooo" +
	    "oooorrrrrrssssss" +
	    "ssttttttuuuuuuuu" +
	    "uuuuwwyyyzzzzzzf" +
	    "bbbbbboccddddoee" +
	    "effgyhltikklawnn" +
	    "ooooopprsseltttt" +
	    "uuuuyyzz3ee3255t" +
	    "plll!dddjjjnnnaa" +
	    "iioouuuuuuuuuuea" +
	    "aaaaaggggkkoooo3" +
	    "3jdddgghpnnaaaao" +
	    "oaaaaeeeeiiiiooo" +
	    "orrrruuuusstt33h" +
	    "hnd88zzaaeeooooo" +
	    "oooyybnbjbpacclt" +
	    "sz??buaeejjqrrryy";

/**
	 * Returns char without diacritics, converting to lowercase - 7 bit approximation.
	 *
	 * @param source char to convert
	 * @return corresponding char without diacritics
	 */
	private static char removeDiacritic(char source) {
	        if (source >= '\u00c0' && source <= '\u024f') {
	            source = tab00c0.charAt((int) source - '\u00c0');
	        }
	    return source;
	}