From d4cc4e0871664cdf66d69237e2af671e903d8e80 Mon Sep 17 00:00:00 2001
From: Jan Edmund Lazo <janedmundlazo@hotmail.com>
Date: Sun, 26 Aug 2018 23:18:58 -0400
Subject: vim-patch:8.0.0998: strange error when using K while only spaces are
 selected

Problem:    Strange error when using K while only spaces are selected.
            (Christian J. Robinson)
Solution:   Check for blank argument.
https://github.com/vim/vim/commit/a4f99f5a8b827162a26ca4e4d59f4f224503398a
---
 src/nvim/testdir/test_help.vim | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'src/nvim/testdir')

diff --git a/src/nvim/testdir/test_help.vim b/src/nvim/testdir/test_help.vim
index 26edc16107..e7bd602dbc 100644
--- a/src/nvim/testdir/test_help.vim
+++ b/src/nvim/testdir/test_help.vim
@@ -13,4 +13,21 @@ endfunc
 func Test_help_errors()
   call assert_fails('help doesnotexist', 'E149:')
   call assert_fails('help!', 'E478:')
+
+  new
+  set keywordprg=:help
+  call setline(1, "   ")
+  call assert_fails('normal VK', 'E349:')
+  bwipe!
+endfunc
+
+func Test_help_keyword()
+  new
+  set keywordprg=:help
+  call setline(1, "  Visual ")
+  normal VK
+  call assert_match('^Visual mode', getline('.'))
+  call assert_equal('help', &ft)
+  close
+  bwipe!
 endfunc
-- 
cgit