From d26082c031399d2a30c2f9847a741d72f8b89b96 Mon Sep 17 00:00:00 2001
From: Joe Groff <arcata@gmail.com>
Date: Thu, 10 Sep 2009 22:55:17 -0400
Subject: [PATCH] only set vim plugin global variables if they haven't yet been
 set, so they can be configured from vimrc

---
 misc/vim/plugin/factor.vim | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/misc/vim/plugin/factor.vim b/misc/vim/plugin/factor.vim
index 9f6f0d3c75..cbe316a0e6 100644
--- a/misc/vim/plugin/factor.vim
+++ b/misc/vim/plugin/factor.vim
@@ -2,8 +2,13 @@ nmap <silent> <Leader>fi :FactorVocabImpl<CR>
 nmap <silent> <Leader>fd :FactorVocabDocs<CR>
 nmap <silent> <Leader>ft :FactorVocabTests<CR>
 
-let g:FactorRoot = "~/factor"
-let g:FactorVocabRoots = ["core", "basis", "extra", "work"]
+if !exists("g:FactorRoot")
+    let g:FactorRoot = "~/factor"
+endif
+
+if !exists("g:FactorVocabRoots")
+    let g:FactorVocabRoots = ["core", "basis", "extra", "work"]
+endif
 
 command! -nargs=1 -complete=custom,FactorCompleteVocab FactorVocab :call GoToFactorVocab("<args>")
 command! FactorVocabImpl  :call GoToFactorVocabImpl()