Hello,
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.
diff -r eaf81729ef02 src/undo.c
--- a/src/undo.c Tue Feb 10 20:03:46 2015 +0100
+++ b/src/undo.c Sun Feb 15 03:40:39 2015 +0100
@@ -2847,11 +2847,14 @@
* restore marks from before undo/redo
*/
for (i = 0; i < NMARKS; ++i)
+ {
if (curhead->uh_namedm[i].lnum != 0)
- {
curbuf->b_namedm[i] = curhead->uh_namedm[i];
+ if (namedm[i].lnum != 0)
curhead->uh_namedm[i] = namedm[i];
- }
+ else
+ curhead->uh_namedm[i].lnum = 0;
+ }
if (curhead->uh_visual.vi_start.lnum != 0)
{
curbuf->b_visual = curhead->uh_visual;
Cheers,
--
Olaf Dabrunz (oda <at> fctrace.org)
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