patch 8.1.1870: using :pedit from a help file sets help filetype
Problem: Using :pedit from a help file sets the preview window to help
filetype. (Wang Shidong)
Solution: Do not set "keep_help_flag". (closes #3536)
diff --git a/src/testdir/test_window_cmd.vim b/src/testdir/test_window_cmd.vim
index 7af7d07..9927e27 100644
--- a/src/testdir/test_window_cmd.vim
+++ b/src/testdir/test_window_cmd.vim
@@ -190,6 +190,21 @@
call assert_fails('wincmd P', 'E441:')
endfunc
+func Test_window_preview_from_help()
+ filetype on
+ call writefile(['/* some C code */'], 'Xpreview.c')
+ help
+ pedit Xpreview.c
+ wincmd P
+ call assert_equal(1, &previewwindow)
+ call assert_equal('c', &filetype)
+ wincmd z
+
+ filetype off
+ close
+ call delete('Xpreview.c')
+endfunc
+
func Test_window_exchange()
e Xa
@@ -582,6 +597,7 @@
endfunc
func Fun_RenewFile()
+ " Need to wait a bit for the timestamp to be older.
sleep 2
silent execute '!echo "1" > tmp.txt'
sp
@@ -599,7 +615,6 @@
call writefile(['2'], 'tmp.txt')
new tmp.txt
q
- " Need to wait a bit for the timestamp to be older.
call Fun_RenewFile()
call assert_equal(2, winnr())
wincmd p