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          urlbase="https://bugs.webkit.org/"
          
          maintainer="admin@webkit.org"
>

    <bug>
          <bug_id>225047</bug_id>
          
          <creation_ts>2021-04-25 23:34:29 -0700</creation_ts>
          <short_desc>REGRESSION(r272379) [Win] Some emojis are painted with a blank square on the right side of it</short_desc>
          <delta_ts>2021-04-26 12:47:35 -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>Text</component>
          <version>WebKit Nightly Build</version>
          <rep_platform>Unspecified</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>FIXED</resolution>
          
          
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords>InRadar</keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Fujii Hironori">fujii</reporter>
          <assigned_to name="Fujii Hironori">fujii</assigned_to>
          <cc>don.olmstead</cc>
    
    <cc>mmaxfield</cc>
    
    <cc>pvollan</cc>
    
    <cc>ross.kirsling</cc>
    
    <cc>webkit-bug-importer</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1754121</commentid>
    <comment_count>0</comment_count>
    <who name="Fujii Hironori">fujii</who>
    <bug_when>2021-04-25 23:34:29 -0700</bug_when>
    <thetext>[Win] Some emojis are painted with a blank square on the right side of it

For example, 🍞 shows a bread emoji and a blank square.
Both AppleWin an WinCairo

r272293 Good
r273306 Bad</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1754122</commentid>
    <comment_count>1</comment_count>
    <who name="Fujii Hironori">fujii</who>
    <bug_when>2021-04-25 23:47:03 -0700</bug_when>
    <thetext>Reverting r272379 (233707@main, Bug 221356) fixes the issue.

Bug 221356 – Supplementary code points (U+10000 - U+10FFFF) are not shaped correctly in the fast text codepath
Bug 221523 – REGRESSION(r272379) [WPE] imported/w3c/web-platform-tests/mathml/relations/css-styling/mathvariant tests are Image Failing</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1754123</commentid>
    <comment_count>2</comment_count>
      <attachid>427027</attachid>
    <who name="Fujii Hironori">fujii</who>
    <bug_when>2021-04-25 23:48:59 -0700</bug_when>
    <thetext>Created attachment 427027
WIP patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1754125</commentid>
    <comment_count>3</comment_count>
      <attachid>427028</attachid>
    <who name="Fujii Hironori">fujii</who>
    <bug_when>2021-04-26 00:42:42 -0700</bug_when>
    <thetext>Created attachment 427028
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1754317</commentid>
    <comment_count>4</comment_count>
      <attachid>427028</attachid>
    <who name="Fujii Hironori">fujii</who>
    <bug_when>2021-04-26 12:46:56 -0700</bug_when>
    <thetext>Comment on attachment 427028
Patch

Clearing flags on attachment: 427028

Committed r276607 (237037@main): &lt;https://commits.webkit.org/237037@main&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1754318</commentid>
    <comment_count>5</comment_count>
    <who name="Fujii Hironori">fujii</who>
    <bug_when>2021-04-26 12:46:59 -0700</bug_when>
    <thetext>All reviewed patches have been landed.  Closing bug.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1754320</commentid>
    <comment_count>6</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2021-04-26 12:47:35 -0700</bug_when>
    <thetext>&lt;rdar://problem/77171123&gt;</thetext>
  </long_desc>
      
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</bugzilla>