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.
diff --git a/src/testdir/test_help.vim b/src/testdir/test_help.vim
index 5a35b69..85c1296 100644
--- a/src/testdir/test_help.vim
+++ b/src/testdir/test_help.vim
@@ -12,4 +12,21 @@
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