On Tue, Jan 27, 2026 at 08:01:46PM -0500, Kurt Hackenberg wrote: > The other is written by the old, obscure mail reader VM, written in Emacs > Lisp. It escapes only > message lines that match > > ^From .*[0-9]$
And even this optimization, while seemingly safe on the surface, fails to catch some valid real-world From lines. For example, SunOS would end a "standard" From line (the kind that would otherwise match that regex) with " remote from remote_system_name" when the mail came from uucp. https://www.unix.com/man-page/sunos/1/mail/ Dan
