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* lisp/env.el (substitute-env-vars): Doc fix. (Bug#40948)

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Eli Zaretskii 2020-04-29 14:06:35 +03:00
parent 85544f8ef5
commit 520fd3e728
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lisp/env.el
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@ -68,7 +68,7 @@ with a character not a letter, digit or underscore; otherwise, enclose
the entire variable name in braces. For instance, in `ab$cd-x',
`$cd' is treated as an environment variable.
If WHEN-DEFINED is nil, references to undefined environment variables
If WHEN-UNDEFINED is nil, references to undefined environment variables
are replaced by the empty string; if it is a function, the function is called
with the variable name as argument and should return the text with which
to replace it or nil to leave it unchanged.