Commit: patch 9.1.2070: completion: autocomplete breaks with large dict

[Christian Brabandt]

patch 9.1.2070: completion: autocomplete breaks with large dict

Commit: https://github.com/vim/vim/commit/a9711b5395ae07cac07ca3a26c0a493f27084f15
Author: Girish Palya <giri...@gmail.com>
Date: Fri Jan 9 16:59:30 2026 +0000

patch 9.1.2070: completion: autocomplete breaks with large dict

Problem: Autocomplete breaks ":help" when 'dict' points to a large file
(lxhillwind)
Solution: Reset autocompletion timer expiry flag (Girish Palya)

fixes: #19130
closes: #19137

Signed-off-by: Girish Palya <giri...@gmail.com>
Signed-off-by: Christian Brabandt <c...@256bit.org>

diff --git a/src/insexpand.c b/src/insexpand.c
index 4e3973a9a..907d36aee 100644
--- a/src/insexpand.c
+++ b/src/insexpand.c
@@ -7217,6 +7217,10 @@ ins_complete(int c, int enable_pum)
save_w_leftcol = curwin->w_leftcol;
n = ins_compl_next(TRUE, ins_compl_key2count(c), insert_match);

+ // Reset autocompletion timer expiry flag
+ if (compl_autocomplete)
+ compl_time_slice_expired = FALSE;
+
// may undisplay the popup menu
ins_compl_upd_pum();

diff --git a/src/testdir/test_ins_complete.vim b/src/testdir/test_ins_complete.vim
index f839af77e..dcad25cfb 100644
--- a/src/testdir/test_ins_complete.vim
+++ b/src/testdir/test_ins_complete.vim
@@ -6175,4 +6175,25 @@ func Test_fuzzy_filenames_compl_autocompl()
call StopVimInTerminal(buf)
endfunc

+" Issue 19130
+func Test_helptags_autocomplete_timeout()
+ func! TestComplete(findstart, base)
+ if a:findstart
+ return col('.') - 1
+ else
+ sleep 310m " Exceed timeout
+ return ["foo"]
+ endif
+ endfunc
+
+ call test_override("char_avail", 1)
+ new
+ set autocomplete completeopt=fuzzy complete=.,FTestComplete
+ call feedkeys("Goa\<Esc>0", 'tx!')
+ call feedkeys(":h\<CR>", 'tx') " used to throw E149 exception
+ call test_override("char_avail", 0)
+ set autocomplete& completeopt& complete&
+ bw!
+endfunc
+
" vim: shiftwidth=2 sts=2 expandtab nofoldenable
diff --git a/src/version.c b/src/version.c
index 50544f861..6a94b422a 100644
--- a/src/version.c
+++ b/src/version.c
@@ -734,6 +734,8 @@ static char *(features[]) =

static int included_patches[] =
{ /* Add new patch number below this line */
+/**/
+ 2070,
/**/
2069,
/**/