protected void WS() {
		do {
			consume();
		} while (isNonEof(c) && isWhitespace(c));
	}
Create a new tokenizer from the given character sequence.

@param input the input character sequence
@throws NullPointerException if the given {@code input} is {@code null}
jenetics.ext/src/main/java/io/jenetics/ext/internal/parser/CharSequenceTokenizer.java