Re: Display problems with 'before-string in overlay

[Richard Stallman]

    > Can you track down the bug report(s) which lead up to the fix I
    > installed, so you can confirm that your change also fixes the old bug(s).
    > It must be close to the date in the ChangeLog.

    IIRC, there were quite a lot of test cases - combining before and
    after strings as well as compositions, so I really feel bad about
    touching this now.

If you make a change that only takes action in the bug case,
you can be sure you are not breaking any other case.