Commit cccc806d authored by Richard M. Stallman's avatar Richard M. Stallman
Browse files

(substitute-env-vars): Fix typo.

parent d6c135fb
......@@ -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)
......
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