Commit: patch 9.1.1961: :0tab behaves like :tab for :stag when 'swb' contains "newtab"

[Christian Brabandt]

patch 9.1.1961: :0tab behaves like :tab for :stag when 'swb' contains "newtab"

Commit: https://github.com/vim/vim/commit/2b3566d89eeb3f84dad7715fff153b84177e5fbb
Author: zeertzjq <zeer...@outlook.com>
Date: Sun Dec 7 19:07:37 2025 +0100

patch 9.1.1961: :0tab behaves like :tab for :stag when 'swb' contains "newtab"

Problem: :0tab behaves like :tab for :stag when 'switchbuf' contains
"newtab" (after 9.1.1949).
Solution: Don't override cmod_tab if it's already non-zero (zeertzjq).

closes: #18859

Signed-off-by: zeertzjq <zeer...@outlook.com>
Signed-off-by: Christian Brabandt <c...@256bit.org>

diff --git a/src/tag.c b/src/tag.c
index 60b38d156..78d290277 100644
--- a/src/tag.c
+++ b/src/tag.c
@@ -3855,7 +3855,7 @@ jumpto_tag(
// split window.
cmdmod.cmod_split |= WSP_VERT;

- if (swb_flags & SWB_NEWTAB)
+ if ((swb_flags & SWB_NEWTAB) && cmdmod.cmod_tab == 0)
// If 'switchbuf' contains 'newtab', then use a new tabpage
cmdmod.cmod_tab = tabpage_index(curtab) + 1;

diff --git a/src/testdir/test_tagjump.vim b/src/testdir/test_tagjump.vim
index 2e8a5ac9d..bbab3c70e 100644
--- a/src/testdir/test_tagjump.vim
+++ b/src/testdir/test_tagjump.vim
@@ -162,7 +162,12 @@ func Test_tagjump_switchbuf()
call assert_equal(2, tabpagenr('$'))
call assert_equal(2, tabpagenr())
call assert_equal(2, line('.'))
+ 0tab stag third
+ call assert_equal(3, tabpagenr('$'))
+ call assert_equal(1, tabpagenr())
+ call assert_equal(3, line('.'))

+ tabclose!
tabclose!
enew | only
set tags&
diff --git a/src/version.c b/src/version.c
index ba74665b5..9a7477253 100644
--- a/src/version.c
+++ b/src/version.c
@@ -729,6 +729,8 @@ static char *(features[]) =

static int included_patches[] =
{ /* Add new patch number below this line */
+/**/
+ 1961,
/**/
1960,
/**/