On Wed, 4 Jul 2018, at 4:53 AM, Eli Zaretskii wrote: > > From: Robert Pluim > > Cc: Eli Zaretskii , 32032@debbugs.gnu.org > > Date: Tue, 03 Jul 2018 11:20:15 +0200 > > > > >> Try disabling double-buffering (etc/NEWS describes how to do > > >> that).> > > > > > Thanks Eli. That works. :-) > > > > > > Any way to *build* Emacs so that it disables by default double- > > > buffering?> > > > It doesnʼt look that way, if configure finds the Xdbe > > extension Emacs> > uses it. You could add > > > > '(inhibit-double-buffering . t) > > > > to default-frame-alist, or uninstall the Xdbe.h header. > > Given that there are known bugs with this feature that no one is > working on, perhaps we should introduce an optional configure switch > to build without double-buffering. Agreed. Does it make sense for a Emacs source code newbie to chip in here?