Olaf Dabrunz wrote:
> to reproduce this:
>
> Edit a text with a few lines. (This does not work on only one line, as a
> buffer must contain at least one line, and the mark won't be deleted.)
>
> textline A
> textline B
> textline C
>
> Navigate to the second line and set a named mark, for example with 'ma'.
> Then delete the line with the mark ('dd'). The mark is gone:
>
> :marks a
> E283: No marks matching "a"
>
> Undo the deletion ('u') and check that the mark is there again:
>
> :marks a
> mark line col file/text
> a 2 5 textline B
>
> Redo the deletion ('CTRL-R'). The mark is gone again.
> Undo the deletion again. The mark remains gone.
>
> The problem is that the undo/redo code only saves a mark from the current
> buffer when the undo/redo node already contains a valid saved mark of that
> name.
>
> The patch below fixes this.
Thanks! I'll check it out.
If you have some time, it's always good to have a test that checks the
problem is fixed.
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