src/org/tiefaces/components/websheet/utility/ParserUtility.java
public static boolean isCommandString(final String str) {
		if (str == null) {
			return false;
		}
		return str.startsWith(TieConstants.COMMAND_PREFIX);
	}
public static boolean isCommandString(final String str) {
		if (str == null) {
			return false;
		}
		return str.startsWith(TieConstants.COMMAND_PREFIX);
	}
check it's a command comment.

@param str
comment string.
@return ture if it's command.