text-box-trim-half-leading-block-box-003.html (1229B)
1 <!DOCTYPE html> 2 <title>text-box-trim should only be applied on the first/last formatted line</title> 3 <link rel="help" href="https://drafts.csswg.org/css-inline-3/#text-box-trim"> 4 <link rel="help" href="https://drafts.csswg.org/css-pseudo-4/#first-formatted-line"> 5 <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" /> 6 <link rel="match" href="text-box-trim-half-leading-block-box-003-ref.html"> 7 8 <style> 9 .div-parent { 10 outline: 1px solid orange; 11 font: 20px/3 Ahem; 12 text-box-trim: trim-both; 13 text-box-edge: text; 14 } 15 span { 16 border-block: solid red; 17 } 18 </style> 19 20 <!-- The SPANs here will be wrapped inside anonymous blocks. #div-parent will 21 thus start with an anonymous block (for the first SPAN). When looking for a 22 first formatted line, it will have to be inside this anonymous block (or it 23 doesn't exist at all). 24 25 To quote the spec: 26 27 The first formatted line of a block container [...] that contains 28 block-level content [...] is the first formatted line of its first in-flow 29 block-level child. If no such line exists, it has no first formatted 30 line. --> 31 <div class="div-parent"> 32 <span> </span> 33 <div>Testline1<br>Testline2<br>Testline3</div> 34 <span> </span> 35 </div>