bug#40733: 28.0.50; Emacs locks up on paste (yank) of unicode characters

[Robert Pluim]

>>>>> On Mon, 20 Apr 2020 23:48:48 +0100, "Basil L. Contovounesios" 
>>>>> <contovob@tcd.ie> said:

    Basil> Will Bush <will.g.bush@gmail.com> writes:
    >> Configured using:
    >> 'configure
    >> --prefix=/nix/store/2142cl219v49czkkrrddh3jy3415nax0-emacs-git-20200420.0
    >> --disable-build-details --with-modules --with-x-toolkit=gtk3 --with-xft
    Basil>                                                                 
^^^^^^^^^^

    Basil> I know next to nothing about fonts, and I'm sure others will correct 
me,
    Basil> but etc/NEWS has the following to say:

    Basil>   ** 'configure' now warns about building with libXft support.
    Basil>   libXft is unmaintained, and causes a number of problems with modern
    Basil>   fonts including but not limited to crashes; support for it may be
    Basil>   removed in a future version of Emacs.  Please consider using
    Basil>   Cairo + HarfBuzz instead.

    Basil> I don't know if it's related (and the 'C-u C-x =' output in your 
other
    Basil> message shows the ftcrhb backend in use), but perhaps you can try
    Basil> building --without-xft to see if it makes any difference.

If it does thatʼs a bug, since we implicitly do '--with-cairo' now.

Robert