From: Girish Palya <girishji@gmail.com>
Date: Fri, 9 Jan 2026 16:59:30 +0000 (+0000)
Subject: patch 9.1.2070: completion: autocomplete breaks  with large dict
X-Git-Tag: v9.1.2070^0
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a9711b5395ae07cac07ca3a26c0a493f27084f15;p=thirdparty%2Fvim.git

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 <girishji@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
---

diff --git a/src/insexpand.c b/src/insexpand.c
index 4e3973a9a7..907d36aee3 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 f839af77ef..dcad25cfbd 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 50544f8615..6a94b422a6 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,
 /**/