vim-patch:8.0.0116

Problem:    When reading English help and using CTRl-] the language from
            'helplang' is used.
Solution:   Make help tag jumps keep the language. (Tatsuki, test by Hirohito
            Higashi, closes vim/vim#1249)

https://github.com/vim/vim/commit/6dbf66aa3e2197ce41f2b1cc7602bb9c15840548

1 files changed, 32 insertions, 0 deletions

diff --git a/src/nvim/testdir/test_help_tagjump.vim b/src/nvim/testdir/test_help_tagjump.vim
index aabfe40537..1ca0f722cf 100644
--- a/src/nvim/testdir/test_help_tagjump.vim
+++ b/src/nvim/testdir/test_help_tagjump.vim
@@ -162,4 +162,36 @@ func Test_help_complete()
   endtry
 endfunc
 
+func Test_help_respect_current_file_lang()
+  try
+    let list = []
+    call s:doc_config_setup()
+
+    if has('multi_lang')
+      function s:check_help_file_ext(help_keyword, ext)
+        exec 'help ' . a:help_keyword
+        call assert_equal(a:ext, expand('%:e'))
+        call feedkeys("\<C-]>", 'tx')
+        call assert_equal(a:ext, expand('%:e'))
+        pop
+        helpclose
+      endfunc
+
+      set rtp+=Xdir1/doc-ab
+      set rtp+=Xdir1/doc-ja
+
+      set helplang=ab
+      call s:check_help_file_ext('test-char', 'abx')
+      call s:check_help_file_ext('test-char@ja', 'jax')
+      set helplang=ab,ja
+      call s:check_help_file_ext('test-char@ja', 'jax')
+      call s:check_help_file_ext('test-char@en', 'txt')
+    endif
+  catch
+    call assert_exception('X')
+  finally
+    call s:doc_config_teardown()
+  endtry
+endfunc
+
 " vim: shiftwidth=2 sts=2 expandtab