[wp-trac] [WordPress Trac] #48915: Gutenberg Paragraph Block, Drop Cap missing sanitize rule for initial hard return line <br>

[WordPress Trac]

#48915: Gutenberg Paragraph Block, Drop Cap missing sanitize rule for initial hard
return line <br>
--------------------------+------------------------------
 Reporter:  Giorgio25b    |       Owner:  (none)
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  Editor        |     Version:  5.3
 Severity:  minor         |  Resolution:
 Keywords:  needs-patch   |     Focuses:  ui
--------------------------+------------------------------

Comment (by apieschel):

 Was able to reproduce. This is indeed not ideal, but I don't think this is
 a bug specific to the editor that can be patched. My impression is this is
 just how the :first-letter CSS selector works. From /wp-includes/css/dist
 /block-library/style.css, here's the CSS that's targeting the drop-cap
 styles:


 {{{
 .has-drop-cap:not(:focus):first-letter {
     float: left;
     font-size: 8.4em;
     line-height: .68;
     font-weight: 100;
     margin: .05em .1em 0 0;
     text-transform: uppercase;
     font-style: normal;
 }
 }}}


 In any context, if there's an element inside the <p> tags before the inner
 text (such as the <br> in your example), then the :first-letter selector
 will have no effect.

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Ticket URL: <https://core.trac.wordpress.org/ticket/48915#comment:1>
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