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Fsubstitute_in_file_name doc string clarification

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* src/fileio.c (Fsubstitute_in_file_name): Mention that undefined
variables aren't replaced (as opposed to what happens in a shell
substitution) (bug#40949).
This commit is contained in:
Lars Ingebrigtsen 2021-06-13 14:14:32 +02:00
parent 407062c296
commit c4fcf2fc6f
1 changed files with 2 additions and 0 deletions
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src/fileio.c
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@ -1830,6 +1830,8 @@ 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.
If FOO is not defined in the environment, it is not substituted.
If `/~' appears, all of FILENAME through that `/' is discarded.
If `//' appears, everything up to and including the first of
those `/' is discarded. */)