From bd08143577ea35cb48047a08b2bb67e806992cc2 Mon Sep 17 00:00:00 2001
From: Sebastian Nagel <sebastian@commoncrawl.org>
Date: Thu, 29 Sep 2016 11:44:18 +0200
Subject: [PATCH] Extract also `property` attributes of HTML meta elements,
 this fixes #67

---
 .../java/org/archive/resource/html/ExtractingParseObserver.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/org/archive/resource/html/ExtractingParseObserver.java b/src/main/java/org/archive/resource/html/ExtractingParseObserver.java
index 826851e0..52989455 100644
--- a/src/main/java/org/archive/resource/html/ExtractingParseObserver.java
+++ b/src/main/java/org/archive/resource/html/ExtractingParseObserver.java
@@ -406,7 +406,7 @@ public void extract(HTMLMetaData data, TagNode node, ExtractingParseObserver obs
 
 	private static class MetaTagExtractor implements TagExtractor {
 		public void extract(HTMLMetaData data, TagNode node, ExtractingParseObserver obs) {
-			ArrayList<String> l = getAttrList(node,"name","rel","content","http-equiv");
+			ArrayList<String> l = getAttrList(node,"name","rel","content","http-equiv","property");
 			if(l != null) {
 				data.addMeta(l);
 			}