Fix FZFTag

Examples-(vim).md

@@ -66,18 +66,13 @@ command! FZFMru call fzf#run({
             \})
 ```
 
-### Jump to tags (@atn34)
+### Jump to tags
 
-```vimL
-function! TagCommand()
-  return substitute('awk _!/^!/ { print \$1 }_ ', '_', "'", 'g')
-              \ . join(tagfiles(), ' ')
-endfunction
-
-command! FZFTag call fzf#run({
-\   'source'     : TagCommand(),
+```vim
+command! FZFTag if !empty(tagfiles()) | call fzf#run({
+\   'source': "sed '/^\\!/d;s/\t.*//' " . join(tagfiles()) . ' | uniq',
 \   'sink':   'tag',
-\   })
+\ }) | else | echo 'No tags' | endif
 ```
 
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