Fix: Accessing other filetypes within vimwiki (Issue #979)

Note: Viwiki no longer rules them all

autoload/vimwiki/base.vim

@@ -1091,16 +1091,8 @@ function! vimwiki#base#edit_file(command, filename, anchor, ...) abort
       echom 'Vimwiki: Vim couldn''t open the file, probably because a swapfile already exists. See :h E325.'
       return
     endtry
-
     " If the opened file was not already loaded by Vim, an autocommand is
     " triggered at this point
-
-    " Make sure no other plugin takes ownership over the new file. Vimwiki
-    " rules them all! Well, except for directories, which may be opened with
-    " Netrw
-    if !vimwiki#u#ft_is_vw() && fname !~? '\m/$'
-      call vimwiki#u#ft_set()
-    endif
   endif
 
   " Goto anchor

doc/vimwiki.txt

@@ -3766,6 +3766,7 @@ Changed:~
 Removed:~
 
 Fixed:~
+    * Issue #979: Fix: Accessing other filetypes within vimwiki
     * Issue #886: VimwikiGenerateLinks crash with single quote in filename
     * Issue #910: Fix: VimwikiTOC removes next non-empty line
     * Issue #182: VimwikiTOC support headers with link

test/filesystem.vader

@@ -0,0 +1,33 @@
+# Travel thought files
+
+Execute (Copy Wiki's Resources):
+  Log "Start: Copy Resources"
+  call CopyResources()
+
+
+Given (Void for Accessing other files within vimwiki #979 {{{1):
+
+
+Do (At Index: Create and goto pythonfile):
+  :VimwikiIndex 2\<Cr>
+  Opyfile.py\<Esc>\<Cr>\<Cr>
+  :AssertEqual 'pyfile.py', expand('%:t')\<CR>
+  :AssertEqual 'python', &ft\<CR>
+  :Log "Clean pyfile"\<Cr>
+  dd
+  :VimwikiIndex 2\<Cr>
+  :call DeleteFile('pyfile.py')\<Cr>
+
+
+Do (At Index: Create and goto markdownfile):
+  :VimwikiIndex 2\<Cr>
+  Omdfile.md\<Esc>\<Cr>\<Cr>
+  :AssertEqual 'mdfile.md', expand('%:t')\<CR>
+  :AssertEqual 'vimwiki', &ft\<CR>
+  :Log "Clean mdfile"\<Cr>
+  :VimwikiIndex 2\<Cr>
+  dd
+  :call DeleteFile('mdfile.md')\<Cr>
+
+
+# vim: sw=2:foldmethod=marker:foldlevel=30:foldignore=: