Method cannotJoin

src/org/antlr/codebuff/Formatter.java:500–506

Do not join two words like "finaldouble" or numbers like "3double", "double3", "34", (3 and 4 are different tokens) etc...

(Token prevToken, Token curToken)

	 *  "double3", "34", (3 and 4 are different tokens) etc...
	 */
	public static boolean cannotJoin(Token prevToken, Token curToken) {
		String prevTokenText = prevToken.getText();
		char prevLastChar = prevTokenText.charAt(prevTokenText.length()-1);
		String curTokenText = curToken.getText();
		char curFirstChar = curTokenText.charAt(0);
		return Character.isLetterOrDigit(prevLastChar) && Character.isLetterOrDigit(curFirstChar);
	}

	public static void wipeCharPositionInfoAndWhitespaceTokens(CodeBuffTokenStream tokens) {
		tokens.fill();