<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<!DOCTYPE bugzilla SYSTEM "https://bugs.webkit.org/page.cgi?id=bugzilla.dtd">

<bugzilla version="5.0.4.1"
          urlbase="https://bugs.webkit.org/"
          
          maintainer="admin@webkit.org"
>

    <bug>
          <bug_id>143266</bug_id>
          
          <creation_ts>2015-03-31 09:30:36 -0700</creation_ts>
          <short_desc>Avoid applying invalid media attribute</short_desc>
          <delta_ts>2015-03-31 12:37:05 -0700</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>New Bugs</component>
          <version>528+ (Nightly build)</version>
          <rep_platform>Unspecified</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>DUPLICATE</resolution>
          <dup_id>143262</dup_id>
          
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords></keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Yoav Weiss">yoav</reporter>
          <assigned_to name="Nobody">webkit-unassigned</assigned_to>
          <cc>cdumez</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1081642</commentid>
    <comment_count>0</comment_count>
    <who name="Yoav Weiss">yoav</who>
    <bug_when>2015-03-31 09:30:36 -0700</bug_when>
    <thetext>Avoid applying invalid media attribute</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1081645</commentid>
    <comment_count>1</comment_count>
      <attachid>249825</attachid>
    <who name="Yoav Weiss">yoav</who>
    <bug_when>2015-03-31 09:37:31 -0700</bug_when>
    <thetext>Created attachment 249825
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1081646</commentid>
    <comment_count>2</comment_count>
    <who name="Yoav Weiss">yoav</who>
    <bug_when>2015-03-31 09:39:09 -0700</bug_when>
    <thetext>When &lt;link rel=stylesheet&gt; with an invalid media attribute was part of the HTML, I saw that it resulted in a non-empty MediaQuerySet, containing a single query with no expressions. (which didn&apos;t have its m_ignored flag on)

Therefore I added an extra check that makes sure that the queries handled by MediaQueryEvaluator::eval have expressions, and if not, they are treated as ignored.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1081648</commentid>
    <comment_count>3</comment_count>
    <who name="Yoav Weiss">yoav</who>
    <bug_when>2015-03-31 09:51:31 -0700</bug_when>
    <thetext>I accidentally filed that as a separate issue, when I should have added a patch on the original bug.

*** This bug has been marked as a duplicate of bug 143262 ***</thetext>
  </long_desc>
      
          <attachment
              isobsolete="0"
              ispatch="1"
              isprivate="0"
          >
            <attachid>249825</attachid>
            <date>2015-03-31 09:37:31 -0700</date>
            <delta_ts>2015-03-31 12:37:05 -0700</delta_ts>
            <desc>Patch</desc>
            <filename>bug-143266-20150331183647.patch</filename>
            <type>text/plain</type>
            <size>3935</size>
            <attacher name="Yoav Weiss">yoav</attacher>
            
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