function setComment(start, end) {
        commentType = source.charAt(start++);
        commentLine = line;
        var lines = source
            .substring(start, end)
            .split(setCommentSplitRe);
        for (var i = 0; i < lines.length; ++i)
            lines[i] = lines[i].replace(setCommentRe, "").trim();
        commentText = lines
            .join("\n")
            .trim();
    }
Sets the current comment text.
@param {number} start Start offset
@param {number} end End offset
@returns {undefined}
@inner