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patch 8.2.4813: pasting text while indent folding may mess up folds

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Problem:    Pasting text while indent folding may mess up folds.
Solution:   Adjust the way folds are split. (Brandon Simmons, closes #10254)
This commit is contained in:
Brandon Simmons
2022-04-23 13:50:17 +01:00
committed by Bram Moolenaar
parent 8279cfe499
commit 2c40707baa
3 changed files with 25 additions and 2 deletions
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5
src/fold.c
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@@ -1128,7 +1128,7 @@ cloneFoldGrowArray(garray_T *from, garray_T *to)
// foldFind() {{{2
/*
* Search for line "lnum" in folds of growarray "gap".
* Set *fpp to the fold struct for the fold that contains "lnum" or
* Set "*fpp" to the fold struct for the fold that contains "lnum" or
* the first fold below it (careful: it can be beyond the end of the array!).
* Returns FALSE when there is no fold that contains "lnum".
*/
@@ -2911,7 +2911,8 @@ foldSplit(
// any between top and bot, they have been removed by the caller.
gap1 = &fp->fd_nested;
gap2 = &fp[1].fd_nested;
if (foldFind(gap1, bot + 1 - fp->fd_top, &fp2))
(void)foldFind(gap1, bot + 1 - fp->fd_top, &fp2);
if (fp2 != NULL)
{
len = (int)((fold_T *)gap1->ga_data + gap1->ga_len - fp2);
if (len > 0 && ga_grow(gap2, len) == OK)