(read-envvar-name): Special meaning for MUSTMATCH
authorRichard M. Stallman <rms@gnu.org>
Wed, 5 Oct 1994 06:29:50 +0000 (06:29 +0000)
committerRichard M. Stallman <rms@gnu.org>
Wed, 5 Oct 1994 06:29:50 +0000 (06:29 +0000)
commit8b740009092af7eeb3950f98f0b515ce47c60e60
treedca90181a73a4f3475734275739cfa3d14f157de
parent37248de29e569741231c34c85d640f8176e4da7f
(read-envvar-name): Special meaning for MUSTMATCH
neither t nor nil.
(setenv): Use that new case, when clearing a var.
lisp/env.el