From 5f431de215373e3f1f031e2a4aa593d5a04f62ea Mon Sep 17 00:00:00 2001
From: Eric Leclerc <eric.leclerc@gmail.com>
Date: Wed, 17 Feb 2016 14:49:50 -0500
Subject: [PATCH] Update to ExtractorHTML.java for cond. comments

Lot's of websites are using "Downlevel Revealed" conditional comments with a twist to have a page with valid html. this is an update to the RegEx to allow such a case. ex:

    <!--[if expression]><!-->
      HTML
    <!--<![endif]-->

- reference: https://css-tricks.com/downlevel-hidden-downlevel-revealed/
- reference: http://www.sitepoint.com/web-foundations/internet-explorer-conditional-comments/
- example site where this type of tag can be found: https://www.canada.ca/index.html
---
 .../main/java/org/archive/modules/extractor/ExtractorHTML.java  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/src/main/java/org/archive/modules/extractor/ExtractorHTML.java b/modules/src/main/java/org/archive/modules/extractor/ExtractorHTML.java
index ef849642..dfb563b5 100644
--- a/modules/src/main/java/org/archive/modules/extractor/ExtractorHTML.java
+++ b/modules/src/main/java/org/archive/modules/extractor/ExtractorHTML.java
@@ -138,7 +138,7 @@ public class ExtractorHTML extends ContentExtractor implements InitializingBean
       "(?is)<(?:((script[^>]*+)>.*?</script)" + // 1, 2
       "|((style[^>]*+)>.*?</style)" + // 3, 4
       "|(((meta)|(?:\\w{1,"+MAX_ELEMENT_REPLACE+"}))\\s+[^>]*+)" + // 5, 6, 7
-      "|(!--(?!\\[if).*?--))>"; // 8 
+      "|(!--(?!\\[if|>).*?--))>"; // 8 
 
 //    version w/ problems with unclosed script tags 
 //    static final String RELEVANT_TAG_EXTRACTOR =