protected final CharSequence charSequence(final int from, final int to) {
		if (from == to) {
			return CharArraySequence.EMPTY;
		}
		return CharArraySequence.of(input, from, to - from);
	}
protected final CharSequence charSequence ( final int from , final int to ) { if ( from == to ) { return CharArraySequence . EMPTY ; } return CharArraySequence . of ( input , from , to - from ) ; }
Creates char sub-sequence from the input.