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runtime(doc): add some docs for file-watcher programs

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fixes: #15733

Signed-off-by: Christian Brabandt <cb@256bit.org>
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Christian Brabandt
2024-10-14 22:08:22 +02:00
parent 793c315115
commit 5bcfb5a30c
3 changed files with 14 additions and 3 deletions
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5
runtime/doc/options.txt
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@ -1151,12 +1151,13 @@ A jump table for the options with a short description can be found at |Q_op|.
useful for example in source trees where all the files are symbolic or
hard links and any changes should stay in the local source tree, not
be propagated back to the original source.
*crontab*
*crontab*
One situation where "no" and "auto" will cause problems: A program
that opens a file, invokes Vim to edit that file, and then tests if
the open file was changed (through the file descriptor) will check the
backup file instead of the newly created file. "crontab -e" is an
example.
example, as are several |file-watcher| daemons like inotify. In that
case you probably want to switch this option.
When a copy is made, the original file is truncated and then filled
with the new text. This means that protection bits, owner and