From a23e86508cfcfbbf8dbbc375c821182abb5840fe Mon Sep 17 00:00:00 2001
From: Gerd Wachsmuth <gerd.wachsmuth@mathematik.tu-chemnitz.de>
Date: Fri, 3 Feb 2017 20:23:56 +0100
Subject: [PATCH] Add support for bibfiles for old citecompletion

Does anybody still use this old completion?
---
 ftplugin/latex-suite/texviewer.vim | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/ftplugin/latex-suite/texviewer.vim b/ftplugin/latex-suite/texviewer.vim
index af003bc..7a0e74f 100644
--- a/ftplugin/latex-suite/texviewer.vim
+++ b/ftplugin/latex-suite/texviewer.vim
@@ -380,11 +380,13 @@ function! s:Tex_CompleteRefCiteCustom(type)
 
 	let prefixlength=strlen(s:prefix)
 	if a:type =~ 'cite'
-		if getline('.') =~ '\\bibitem\s*{'
-			let bibkey = matchstr(getline('.'), '\\bibitem\s*{\zs.\{-}\ze}')
-		else
-			let bibkey = matchstr(getline('.'), '\\bibitem\s*\[.\{-}\]\s*{\zs.\{-}\ze}')
+		" Look for a '\bibitem'
+		let bibkey = matchstr(getline('.'), '\\bibitem\s*\%(\[.\{-}\]\)\?\s*{\zs.\{-}\ze}')
+		if bibkey == ""
+			" Look for a '@article{bibkey,'
+			let bibkey = matchstr(getline('.'), '@\w*{\zs\w*\ze,')
 		endif
+
 		let completeword = bibkey
 
 	elseif a:type =~ 'ref'