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[css-pseudo-4] Painting selection background outside inline replaced content #4624
Description
@TalbotG noticed that Blink paints the area below a baseline-aligned highlighted image, but Firefox does not. Currently the spec only allows painting highlights within the border box of an image; should we adjust it to allow painting within the full height of the line box for inline replaced elements or somesuch?
Activity
TalbotG commentedon Jan 6, 2020
Test:
http://www.gtalbot.org/BrowserBugsSection/CSS4Pseudo/active-selection-045-new.html
Expected result:
http://www.gtalbot.org/BrowserBugsSection/CSS4Pseudo/reference/ref-nothing-below.xht
kojiishi commentedon Jan 7, 2020
This is intentional, Blink wants to paint the whole line box, and also gaps between lines when lines wrap.
I believe WebKit has the same behavior too, no? @litherum
TalbotG commentedon Jan 7, 2020
Epiphany Technological Preview 3.34.0-32-g514d1bfb6 (WebKitGTK 2.26.1) has the same behavior as Blink (Chromium 78 and 81); it paints the whole line box.
fantasai commentedon Dec 31, 2020
Fixed in a414c09 via #5395