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Mention unibyte issues in insert-file-contents-literally doc string

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* lisp/files.el (insert-file-contents-literally): Mention possible
issues with multibyte buffers (bug#50560).
This commit is contained in:
Lars Ingebrigtsen 2021-09-13 15:17:02 +02:00
parent e4a187ca59
commit 59ff342869
1 changed files with 8 additions and 1 deletions
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9
lisp/files.el
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@ -2526,7 +2526,14 @@ A buffer may be modified in several ways after reading into the buffer,
due to Emacs features such as format decoding, character code
conversion, `find-file-hook', automatic uncompression, etc.
This function ensures that none of these modifications will take place."
This function ensures that none of these modifications will take place.
Unlike `find-file-literally', this function does not make the
buffer unibyte, so if this function is used when handling
binary (non-character) data, it can be convenient to make the
buffer unibyte first. This isn't, strictly speaking, necessary,
because multibyte buffers can also deal with raw bytes. See info
node `(elisp)Character Codes' for details.")
(let ((format-alist nil)
(after-insert-file-functions nil)
(coding-system-for-read 'no-conversion)