perf(complete): don't complete after | for wikilinks

refer: #404

Author: lervag

autoload/wiki/complete.vim

@@ -85,7 +85,7 @@ let s:completer_wikilink = {
       \}
 
 function! s:completer_wikilink.findstart(line) dict abort " {{{2
-  let l:cnum = match(a:line, '\[\[\zs[^\\[\]]\{-}$')
+  let l:cnum = match(a:line, '\[\[\zs[^\\[\]|]\{-}$')
   if l:cnum < 0 | return -1 | endif
 
   let l:base = a:line[l:cnum:]
@@ -256,3 +256,5 @@ endfunction
 let s:completers = map(
       \ filter(items(s:), 'v:val[0] =~# ''^completer_'''),
       \ 'v:val[1]')
+
+" vim: fdm=marker

test/wiki-basic/init.vim

@@ -1,3 +1,8 @@
 source ../init.vim
 runtime plugin/wiki.vim
+
+set completeopt=menuone,noinsert,noselect
+set shortmess=aoOtFcCI
+set noshowmode
+
 silent edit index.wiki