From eed4ceff1af6ae11f33ee589f7bf099fdc62fdd5 Mon Sep 17 00:00:00 2001
From: Drew Hays <me@andrewhays.net>
Date: Thu, 17 Aug 2017 23:53:40 -0700
Subject: [PATCH] Escape the 'dot' in extension substitution

This escapes the `.` preceding an extension (e.g. `.wiki`) so that it doesn't accidentally match any character.

For example: `[vimwiki](vimwiki)` was opening the `vi.wiki` page, because of this rule.
---
 autoload/vimwiki/base.vim | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/autoload/vimwiki/base.vim b/autoload/vimwiki/base.vim
index 0cd537a..4e3cde5 100644
--- a/autoload/vimwiki/base.vim
+++ b/autoload/vimwiki/base.vim
@@ -1273,7 +1273,7 @@ function! vimwiki#base#follow_link(split, reuse, move_cursor, ...) "{{{
 
       " remove the extension from the filename if exists, because non-vimwiki
       " markdown files usually include the extension in links
-      let lnk = substitute(lnk, VimwikiGet('ext').'$', '', '')
+      let lnk = substitute(lnk, '\'.VimwikiGet('ext').'$', '', '')
     endif
 
     let current_tab_page = tabpagenr()