bug#41645: 27.0.91; Combining Grapheme Joiner (#x34f) gui artifacts

[David Fussner]

Is the patch for master? (Forgive my confusion).

David.

On Mon, 1 Jun 2020 at 16:50, Pip Cet <pipcet@gmail.com> wrote:
>
> On Mon, Jun 1, 2020 at 3:31 PM Eli Zaretskii <eliz@gnu.org> wrote:
> > > After emacs -Q, open a unicode text file and type a few letters, then
> > > the Combining Grapheme Joiner (C-x 8 RET 34f), then a few more
> > > letters. Press and hold the left arrow key to go back across the CGJ and
> > > here it leaves behind a second box cursor while the actual cursor
> > > continues to move across the text beyond. If you input multiple CGJs
> > > you'll get multiple box cursors scattered wherever you put them,
> > > assuming you don't change to the right arrow and hold that down, which
> > > removes the artifacts as it goes along. (See attached image, with 3
> > > artifacts in a line and the actual cursor off to the left.)
> >
> > I cannot reproduce this on my system, FWIW.  Very strange.
>
> I can reproduce this, but it depends on which font it uses. Is it
> possible it's bug 41454? I'm attaching that patch in case it does
> anything and people feel like testing it.