From dbf9623050b9b31360903c911d94b72f58601df8 Mon Sep 17 00:00:00 2001
From: Tom Ryder <tom@sanctum.geek.nz>
Date: Sat, 22 Jun 2019 22:05:15 +1200
Subject: Find digraph help file a little more correctly

---
 autoload/digraph_search.vim | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/autoload/digraph_search.vim b/autoload/digraph_search.vim
index bae4973..d342f38 100644
--- a/autoload/digraph_search.vim
+++ b/autoload/digraph_search.vim
@@ -37,7 +37,11 @@ function! s:Digraphs() abort
   if !exists('s:digraphs')
     let s:digraphs = []
     let table = 0
-    for line in readfile($VIMRUNTIME.'/doc/digraph.txt')
+    let file = globpath(&runtimepath, 'doc/digraph.txt')
+    if !strlen(file)
+      echoerr 'Help file missing'
+    endif
+    for line in readfile(file)
 
       " Flag whether we're in one of the digraph tables; look for the heading
       let table = table && strlen(line)
-- 
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