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patch 8.1.1498: ":write" increments b:changedtick even though nothing changed

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Problem:    ":write" increments b:changedtick even though nothing changed.
            (Daniel Hahler)
Solution:   Only increment b:changedtick if the modified flag is reset.
This commit is contained in:
Bram Moolenaar
2019-06-08 18:07:21 +02:00
parent aef5c62a6f
commit c024b46678
9 changed files with 26 additions and 16 deletions
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6
runtime/doc/eval.txt
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@@ -1504,8 +1504,10 @@ One local buffer variable is predefined:
*b:changedtick* *changetick*
b:changedtick The total number of changes to the current buffer. It is
incremented for each change. An undo command is also a change
in this case. This can be used to perform an action only when
the buffer has changed. Example: >
in this case. Resetting 'modified' when writing the buffer is
also counted.
This can be used to perform an action only when the buffer has
changed. Example: >
:if my_changedtick != b:changedtick
: let my_changedtick = b:changedtick
: call My_Update()