patch 8.0.0091
Problem:    Test_help_complete sometimes fails in MS-Windows console.
Solution:   Use getcompletion() instead of feedkeys() and command line
            completion. (Hirohito Higashi)
diff --git a/src/testdir/test_help_tagjump.vim b/src/testdir/test_help_tagjump.vim
index 778bd9c..d11a1fa 100644
--- a/src/testdir/test_help_tagjump.vim
+++ b/src/testdir/test_help_tagjump.vim
@@ -77,17 +77,8 @@
   endif
 endfunc
 
-func s:get_cmd_compl_list(cmd)
-  let list = []
-  let str = ''
-  for cnt in range(1, 999)
-    call feedkeys(a:cmd . repeat("\<Tab>", cnt) . "'\<C-B>let str='\<CR>", 'tx')
-    if str ==# a:cmd[1:]
-      break
-    endif
-    call add(list, str)
-  endfor
-  return list
+func s:get_help_compl_list(cmd)
+  return getcompletion(a:cmd, 'help')
 endfunc
 
 func Test_help_complete()
@@ -99,49 +90,49 @@
     if has('multi_lang')
       set helplang=
     endif
-    let list = s:get_cmd_compl_list(":h test")
-    call assert_equal(['h test-col', 'h test-char'], list)
+    let list = s:get_help_compl_list("test")
+    call assert_equal(['test-col', 'test-char'], list)
 
     if has('multi_lang')
       " 'helplang=ab' and help file lang is 'en'
       set helplang=ab
-      let list = s:get_cmd_compl_list(":h test")
-      call assert_equal(['h test-col', 'h test-char'], list)
+      let list = s:get_help_compl_list("test")
+      call assert_equal(['test-col', 'test-char'], list)
 
       " 'helplang=' and help file lang is 'en' and 'ab'
       set rtp+=Xdir1/doc-ab
       set helplang=
-      let list = s:get_cmd_compl_list(":h test")
-      call assert_equal(sort(['h test-col@en', 'h test-col@ab',
-            \             'h test-char@en', 'h test-char@ab']), sort(list))
+      let list = s:get_help_compl_list("test")
+      call assert_equal(sort(['test-col@en', 'test-col@ab',
+            \             'test-char@en', 'test-char@ab']), sort(list))
 
       " 'helplang=ab' and help file lang is 'en' and 'ab'
       set helplang=ab
-      let list = s:get_cmd_compl_list(":h test")
-      call assert_equal(sort(['h test-col', 'h test-col@en',
-            \             'h test-char', 'h test-char@en']), sort(list))
+      let list = s:get_help_compl_list("test")
+      call assert_equal(sort(['test-col', 'test-col@en',
+            \             'test-char', 'test-char@en']), sort(list))
 
       " 'helplang=' and help file lang is 'en', 'ab' and 'ja'
       set rtp+=Xdir1/doc-ja
       set helplang=
-      let list = s:get_cmd_compl_list(":h test")
-      call assert_equal(sort(['h test-col@en', 'h test-col@ab',
-            \             'h test-col@ja', 'h test-char@en',
-            \             'h test-char@ab', 'h test-char@ja']), sort(list))
+      let list = s:get_help_compl_list("test")
+      call assert_equal(sort(['test-col@en', 'test-col@ab',
+            \             'test-col@ja', 'test-char@en',
+            \             'test-char@ab', 'test-char@ja']), sort(list))
 
       " 'helplang=ab' and help file lang is 'en', 'ab' and 'ja'
       set helplang=ab
-      let list = s:get_cmd_compl_list(":h test")
-      call assert_equal(sort(['h test-col', 'h test-col@en',
-            \             'h test-col@ja', 'h test-char',
-            \             'h test-char@en', 'h test-char@ja']), sort(list))
+      let list = s:get_help_compl_list("test")
+      call assert_equal(sort(['test-col', 'test-col@en',
+            \             'test-col@ja', 'test-char',
+            \             'test-char@en', 'test-char@ja']), sort(list))
 
       " 'helplang=ab,ja' and help file lang is 'en', 'ab' and 'ja'
       set helplang=ab,ja
-      let list = s:get_cmd_compl_list(":h test")
-      call assert_equal(sort(['h test-col', 'h test-col@ja',
-            \             'h test-col@en', 'h test-char',
-            \             'h test-char@ja', 'h test-char@en']), sort(list))
+      let list = s:get_help_compl_list("test")
+      call assert_equal(sort(['test-col', 'test-col@ja',
+            \             'test-col@en', 'test-char',
+            \             'test-char@ja', 'test-char@en']), sort(list))
     endif
   catch
     call assert_exception('X')
diff --git a/src/version.c b/src/version.c
index d00ebd4..f07437d 100644
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    91,
+/**/
     90,
 /**/
     89,