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<!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>252108</bug_id>
          
          <creation_ts>2023-02-11 05:26:25 -0800</creation_ts>
          <short_desc>Computed value of `line-height: 1lh` affected by browser setting for minimum font size</short_desc>
          <delta_ts>2024-10-25 00:32:16 -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>CSS</component>
          <version>Safari Technology Preview</version>
          <rep_platform>Unspecified</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>NEW</bug_status>
          <resolution></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="Dan">dan</reporter>
          <assigned_to name="Nobody">webkit-unassigned</assigned_to>
          <cc>50167214</cc>
    
    <cc>mmaxfield</cc>
    
    <cc>simon.fraser</cc>
    
    <cc>webkit-bug-importer</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1932904</commentid>
    <comment_count>0</comment_count>
      <attachid>464953</attachid>
    <who name="Dan">dan</who>
    <bug_when>2023-02-11 05:26:25 -0800</bug_when>
    <thetext>Created attachment 464953
Test case for line-height: 1lh

A declaration of `line-height: 1lh` should technically imposed the line height of the parent element. 

However, when the element&apos;s font size is fixed up to respect the user&apos;s preferred minimum font size, its line height is (unexpectedly) increased proportionally, possibly related to: https://bugs.webkit.org/show_bug.cgi?id=174406

The attached test case contains two paragraphs each with a declaration of `line-height: 1lh`. When the user configures their minimum font size to 24px from Safari&apos;s settings, the line height of the two &lt;p&gt; elements gets out of sync with the parent&apos;s line height, and with each other.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1934890</commentid>
    <comment_count>1</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2023-02-18 05:27:19 -0800</bug_when>
    <thetext>&lt;rdar://problem/105630538&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2070519</commentid>
    <comment_count>2</comment_count>
    <who name="yisibl">50167214</who>
    <bug_when>2024-10-25 00:32:16 -0700</bug_when>
    <thetext>Any news?</thetext>
  </long_desc>
      
          <attachment
              isobsolete="0"
              ispatch="0"
              isprivate="0"
          >
            <attachid>464953</attachid>
            <date>2023-02-11 05:26:25 -0800</date>
            <delta_ts>2023-02-11 05:26:25 -0800</delta_ts>
            <desc>Test case for line-height: 1lh</desc>
            <filename>1lh.html</filename>
            <type>text/html</type>
            <size>1476</size>
            <attacher name="Dan">dan</attacher>
            
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    </bug>

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