From 599212e0aee7d6ce896088d2044b36471362d110 Mon Sep 17 00:00:00 2001
From: Matt Billock <evilstickman@evilstickman.com>
Date: Tue, 28 Feb 2017 20:35:58 +0200
Subject: [PATCH] Fixing an issue when no language is specified (#707)

parts[0] can lead to a nil class exception. Using the ternary gives the same functionality without causing things to fail
---
 lib/multilang.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/multilang.rb b/lib/multilang.rb
index 624c6e4..2eaae43 100644
--- a/lib/multilang.rb
+++ b/lib/multilang.rb
@@ -1,7 +1,7 @@
 module Multilang
   def block_code(code, full_lang_name)
     parts = full_lang_name.split('--')
-    rouge_lang_name = parts[0] || ""
+    rouge_lang_name = (parts) ? parts[0] : "" # just parts[0] here causes null ref exception when no language specified
     super(code, rouge_lang_name).sub("highlight #{rouge_lang_name}") do |match|
       match + " tab-" + full_lang_name
     end