Apparently not from tarballs anymore, but still e.g. from a `.zip' archive. Though I have Emacs 27.1 here, not 28. Paul On Tue, 13 Jul 2021 at 20:09, Lars Ingebrigtsen wrote: > Paul Pogonyshev writes: > > > * In a freshly started Emacs, open an archive, e.g. a .tar.gz file in a > buffer. > > * Switch to another buffer, type a couple of letters and then start > pressing 'M-/' > > (dabbrev-expand). > > * It is very likely you will hit a "very useful" dabbrev in binary form > taken from > > the archive. E.g. I opened a large tarball, then switched to *scratch*, > typed "tz", > > and the very first dabbrev I got was "tz\327r". > > (I'm going through old bug reports that unfortunately got little response > at > the time.) > > I tried reproducing this in Emacs 28, and I don't get any of these > binary expansions. Are you still seeing this in more recent Emacs > versions? > > -- > (domestic pets only, the antidote for overdose, milk.) > bloggy blog: http://lars.ingebrigtsen.no >