tv vim: unlet b:current_syntax if exists

2016-07-03 20:49:02 +02:00 · 2016-07-03 20:49:02 +02:00 · ab9f109fd5
parent 672fc99c79
commit ab9f109fd5
1 changed files with 3 additions and 1 deletions
--- a/tv/2configs/vim.nix
+++ b/tv/2configs/vim.nix
@ -180,7 +180,9 @@ let
          sigil = ''\(${concatStringsSep ''\|'' startAlts}\)[ \t\r\n]*'';
        in /* vim */ ''
          syn include @nix_${lang}_syntax syntax/${lang}.vim
-          unlet b:current_syntax
+          if exists("b:current_syntax")
+            unlet b:current_syntax
+          endif

          syn match nix_${lang}_sigil
            \ X${replaceStrings ["X"] ["\\X"] sigil}\ze\('''\|"\)X