Use old version of vim repository, fixes #779

closes #780

ftplugin/crystal.vim

@@ -53,7 +53,7 @@ if get(g:, 'crystal_define_mappings', 1)
   nmap <buffer>gsc <Plug>(crystal-spec-run-current)
 endif
 
-if &l:ofu ==# ''
+if &l:ofu ==# '' && get(g:, 'crystal_enable_completion', 1)
   setlocal omnifunc=crystal_lang#complete
 endif
 

ftplugin/julia.vim

@@ -26,7 +26,7 @@ setlocal fo-=t fo+=croql
 let b:julia_vim_loaded = 1
 
 let b:undo_ftplugin = "setlocal include< suffixesadd< comments< commentstring<"
-      \ . " define< fo< shiftwidth< expandtab< indentexpr< indentkeys< cinoptions< completefunc<"
+      \ . " define< fo< indentexpr< indentkeys< cinoptions< completefunc<"
       \ . " | unlet! b:commentary_format"
       \ . " | unlet! b:smartcomment_force_linemode"
       \ . " | unlet! b:julia_vim_loaded"

ftplugin/plantuml.vim

@@ -2,7 +2,6 @@ if polyglot#init#is_disabled(expand('<sfile>:p'), 'plantuml', 'ftplugin/plantuml
   finish
 endif
 
-scriptencoding utf-8
 " Vim filetype plugin file
 " Language:     PlantUML
 " License:      VIM LICENSE