From e7d12db91a9be14265c039302f7cc8b8114a6d0c Mon Sep 17 00:00:00 2001
From: Reed Esau <reed@esau.org>
Date: Fri, 22 Aug 2014 00:10:40 -0600
Subject: [PATCH] Only set concealable for vims with 'conceal'

---
 autoload/pencil.vim | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/autoload/pencil.vim b/autoload/pencil.vim
index d19776d..2332dfe 100644
--- a/autoload/pencil.vim
+++ b/autoload/pencil.vim
@@ -187,7 +187,9 @@ fun! pencil#init(...) abort
     setl formatoptions-=r   " don't insert comment leader
     setl formatoptions-=o   " don't insert comment leader
 
-    exe ":setl cole=" . g:pencil#conceallevel
+    if has("conceal")
+      exe ":setl cole=" . g:pencil#conceallevel
+    en
   el
     setl smartindent< nosmartindent<
     setl autoindent< noautoindent<