Re: Display problems with `before-string' in overlay

[Richard Stallman]

    Does drawing cursor in the wrong position on multi-line before-strings
    cause "real trouble"?

Yes.  Whenever the cursor is in the wrong position, that is real trouble.

      Is the display of multi-line before-strings an
    "important feature"?

before-strings is an important feature.  It is true that multi-line
before-strings are not often used.  But we should make such a feature
work correctly in all cases, not just most cases.