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authorRichard M. Stallman <rms@gnu.org>2003-05-28 11:16:22 +0000
committerRichard M. Stallman <rms@gnu.org>2003-05-28 11:16:22 +0000
commitcccc806de7b564dcb5305aba07a41998414d9129 (patch)
tree9f6ab82a8bab2b58053c67eaac154c9b654d542c /lisp/env.el
parentd6c135fb4fb52fc8741e00c587638dd01a0cec3d (diff)
downloademacs-cccc806de7b564dcb5305aba07a41998414d9129.tar.gz
(substitute-env-vars): Fix typo.
Diffstat (limited to 'lisp/env.el')
-rw-r--r--lisp/env.el8
1 files changed, 5 insertions, 3 deletions
diff --git a/lisp/env.el b/lisp/env.el
index eae724d148d..6aef5457a1c 100644
--- a/lisp/env.el
+++ b/lisp/env.el
@@ -63,12 +63,14 @@ If it is also not t, RET does not exit if it does non-null completion."
`$FOO' where FOO is an environment variable name means to substitute
the value of that variable. The variable name should be terminated
with a character not a letter, digit or underscore; otherwise, enclose
-the entire variable name in braces. Use `$$' to insert a single
-dollar sign."
+the entire variable name in braces. For instance, in `ab$cd-x',
+`$cd' is treated as an environment variable.
+
+Use `$$' to insert a single dollar sign."
(let ((start 0))
(while (string-match
(eval-when-compile
- (rx (or (and "$" (submatch (1+ (regexp "[:alnum:]_"))))
+ (rx (or (and "$" (submatch (1+ (regexp "[[:alnum:]_]"))))
(and "${" (submatch (minimal-match (0+ anything))) "}")
"$$")))
string start)