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+Additional properties in .editorconfig
+######################################
+
+:date: 2019-01-22T00:30:44
+:category: computer
+:tags: vim, authoring
+
+For some inexplicable reasons `vim-editorconfig`_ stopped working 
+with my latest build of neovim. I am not sure why and I haven’t 
+have enough time to debug it properly. As a workaround I have 
+temporarily (?) switched to `editorconfig-vim`_. The former 
+plugin is all written in VimL, so it was not problem to extend 
+properties it supports by two more ones ``spell_enabled`` and 
+``spell_language`` corresponding to ``spell`` and ``spelllang`` 
+vim options respectively. The later plugin is in Python and it is 
+a bit more complicated, but fortunately it has an explicit hook 
+for custom plugins. So, I could write this into special 
+``plugin/`` file (no into ``~/.vimrc``, because commands from 
+plugins in ``~/.vim/pack`` are not available then yet):
+
+.. code:: vim
+
+   function! FiletypeHook(config)
+        if has_key(a:config, 'spell_enabled')
+            let spell_enabled = a:config['spell_enabled']
+            echom printf("EditorConfig: spell_enabled = %s",
+               \ spell_enabled)
+            if spell_enabled == "true"
+                let &spell = 1
+            else
+                let &spell = 0
+            endif
+        endif
+
+        if has_key(a:config, 'spell_language')
+           let s:languages = map(filter(globpath(&runtimepath,
+             \ 'spell/*', 1, 1),
+             \ '!isdirectory(v:val)'), 'fnamemodify(v:val, '':t'')')
+           echom printf("EditorConfig: s:languages = %s",
+             \ s:languages)
+
+            let spell_language = a:config['spell_language']
+
+            " set bomb if necessary
+            if spell_language[-3:] == "BOM"
+                let &bomb = 1
+                spell_language = spell_language[:-4]
+            endif
+   
+            echom printf("EditorConfig: spell_language = %s",
+              \ spell_language)
+           " We need to accept even dialects of languages, e.g., en_gb
+            let lang = split(spell_language, '_')[0]
+            echom printf("EditorConfig: spell_language = %s",
+              \ lang)
+            if !empty(filter(copy(s:languages),
+              \ 'stridx(v:val, lang) == 0'))
+                echom printf("EditorConfig: spell_language = %s",
+                  \ spell_language)
+                let &spelllang = spell_language
+            endif
+        endif
+
+        return 0   " Return 0 to show no error happened
+   endfunction
+   call editorconfig#AddNewHook(function('FiletypeHook'))
+
+Seems to work like charm. Comments on the code are, of course, 
+more than welcome.
+
+.. _`vim-editorconfig`:
+   https://github.com/sgur/vim-editorconfig
+
+.. _`editorconfig-vim`:
+   https://github.com/editorconfig/editorconfig-vim