From 8084928f7ae99cbf5347cf6fe064ad5de89b21e8 Mon Sep 17 00:00:00 2001
From: innosat <47389586+innosat@users.noreply.github.com>
Date: Thu, 7 Feb 2019 20:05:48 +0100
Subject: [PATCH] remove/unregister metadata extension in
 MarkdownReader._parse_metadata

Fixes #1904
---
 pelican/readers.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pelican/readers.py b/pelican/readers.py
index bacb45f8..2e7108b9 100644
--- a/pelican/readers.py
+++ b/pelican/readers.py
@@ -318,6 +318,9 @@ class MarkdownReader(BaseReader):
         """Return the dict containing document metadata"""
         formatted_fields = self.settings['FORMATTED_FIELDS']
 
+        # unload meta extension to avoid parsing field values again
+        del self._md.preprocessors['meta']
+
         output = {}
         for name, value in meta.items():
             name = name.lower()