Commit: patch 9.2.0741: complete_check() does not return TRUE for mapped input

[Christian Brabandt]

patch 9.2.0741: complete_check() does not return TRUE for mapped input

Commit: https://github.com/vim/vim/commit/37d85f5f1ad336fdc63e949c3b2db8ae7be618e4
Author: glepnir <gleph...@gmail.com>
Date: Sun Jun 28 16:51:26 2026 +0000

patch 9.2.0741: complete_check() does not return TRUE for mapped input

Problem: Mapped typed keys didn't interrupt completion in
complete_check() (Yikai Zhao)
Solution: Also interrupt when in_compl_func and not replaying a register.
(glepnir)

closes: #5547
closes: #20643

Signed-off-by: glepnir <gleph...@gmail.com>
Signed-off-by: Christian Brabandt <c...@256bit.org>

diff --git a/src/insexpand.c b/src/insexpand.c
index 0361d9a6e..75e55a60e 100644
--- a/src/insexpand.c
+++ b/src/insexpand.c
@@ -6408,9 +6408,10 @@ ins_compl_check_keys(int frequency, int in_compl_func)
c = safe_vgetc();
if (c != K_IGNORE)
{
- // Don't interrupt completion when the character wasn't typed,
- // e.g., when doing @q to replay keys.
- if (c != Ctrl_R && KeyTyped)
+ // Typed keys that get mapped lose KeyTyped. Still let
+ // complete_check() interrupt, except during @r replay.
+ if (c != Ctrl_R && (KeyTyped
+ || (in_compl_func && reg_executing == 0)))
compl_interrupted = TRUE;

vungetc(c);
diff --git a/src/testdir/test_ins_complete.vim b/src/testdir/test_ins_complete.vim
index d4298aeb9..00fcf4e44 100644
--- a/src/testdir/test_ins_complete.vim
+++ b/src/testdir/test_ins_complete.vim
@@ -6535,4 +6535,32 @@ func Test_call_complete_while_filtering()
bwipe!
endfunc

+func Test_complete_check_mapped_typed_key()
+ func SlowComplete(findstart, base)
+ if a:findstart
+ return col('.') - 1
+ endif
+ call complete_add('foobar')
+ let g:compl_iterations = 0
+ while !complete_check() && g:compl_iterations < 100
+ let g:compl_iterations += 1
+ sleep 5m
+ endwhile
+ return []
+ endfunc
+
+ new
+ setlocal completefunc=SlowComplete
+ setlocal completeopt=menuone,noselect
+ inoremap <buffer> <Space> <Space><Space>
+
+ let g:compl_iterations = -1
+ call feedkeys("Sfoo\<C-X>\<C-U> \<Esc>", 'tx')
+ call assert_inrange(0, 99, g:compl_iterations)
+
+ bwipe!
+ delfunc SlowComplete
+ unlet g:compl_iterations
+endfunc
+
" vim: shiftwidth=2 sts=2 expandtab nofoldenable
diff --git a/src/version.c b/src/version.c
index 123155660..ebe7f9709 100644
--- a/src/version.c
+++ b/src/version.c
@@ -759,6 +759,8 @@ static char *(features[]) =

static int included_patches[] =
{ /* Add new patch number below this line */
+/**/
+ 741,
/**/
740,
/**/