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Document batch-byte-compile directory behavior

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* lisp/emacs-lisp/bytecomp.el (batch-byte-compile): Document the
behaviour with directories (bug#20867).
This commit is contained in:
Lars Ingebrigtsen 2019-08-01 23:16:24 +02:00
parent 0a7e131ce4
commit 51cf2eb5c9
1 changed files with 8 additions and 1 deletions
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9
lisp/emacs-lisp/bytecomp.el
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@ -5091,8 +5091,15 @@ it won't work in an interactive Emacs."
"Run `byte-compile-file' on the files remaining on the command line.
Use this from the command line, with `-batch';
it won't work in an interactive Emacs.
Each file is processed even if an error occurred previously.
Each file is processed even if an error occurred previously. If
a file name denotes a directory, all Emacs Lisp source files in
that directory (that have previously been compiled) will be
recompiled if newer than the compiled files. In this case,
NOFORCE is ignored.
For example, invoke \"emacs -batch -f batch-byte-compile $emacs/ ~/*.el\".
If NOFORCE is non-nil, don't recompile a file that seems to be
already up-to-date."
;; command-line-args-left is what is left of the command line, from