throws PreprocessException
throws BuildException
	private boolean processVariable(String argument, StringList lines, String className ) 	throws PreprocessException	{		try {			String line = PropertyUtil.writeProperties( argument, this.variables, true );			lines.setCurrent( line );			return true;		} catch (IllegalArgumentException e) {			throw new PreprocessException( className + " line " + (lines.getCurrentIndex() +1)					+ ": unable to preprocess //#= in line [" + argument + "]: " + e.getMessage()  );		}	}