From 62615f4fc56ee687f7215b14b64cdb2330697460 Mon Sep 17 00:00:00 2001
From: Aidan Woods <aidantwoods@gmail.com>
Date: Sun, 27 Jan 2019 17:10:36 +0000
Subject: [PATCH] Allow empty code spans

---
 src/Components/Inlines/Code.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/Components/Inlines/Code.php b/src/Components/Inlines/Code.php
index ecbde6f..53b4de5 100644
--- a/src/Components/Inlines/Code.php
+++ b/src/Components/Inlines/Code.php
@@ -40,7 +40,7 @@ final class Code implements Inline
         }
 
         if (\preg_match(
-            '/^(['.$marker.']++)[ ]*+(.+?)[ ]*+(?<!['.$marker.'])\1(?!'.$marker.')/s',
+            '/^(['.$marker.']++)[ ]*+(.*?)[ ]*+(?<!['.$marker.'])\1(?!'.$marker.')/s',
             $Excerpt->text(),
             $matches
         )) {
@@ -48,6 +48,8 @@ final class Code implements Inline
 
             return new self($text, \strlen($matches[0]));
         }
+
+        return null;
     }
 
     /**