244657 2022-08-31 21:57:35 -0700 border-image-* returns the initial keyword instead of the initial value when setting border-image shorthand 2022-11-29 08:12:43 -0800 1 1 1 Unclassified WebKit CSS Safari Technology Preview Unspecified Unspecified RESOLVED FIXED https://bugs.webkit.org/show_bug.cgi?id=242775 http://wpt.live/css/css-backgrounds/parsing/border-image-shorthand.sub.html BrowserCompat, InRadar P2 Normal --- 1 karlcow darin darin webkit-bug-importer oldest_to_newest 1895412 0 karlcow 2022-08-31 21:57:35 -0700 Enter: data:text/html,<div%20style="border-image:%20initial"> Then document.getElementsByTagName('div')[0].style.borderImageOutset returns initial instead of 0 and so on the other properties. document.getElementsByTagName('div')[0].style.borderImageRepeat returns initial instead of stretch etc. see the tests in http://wpt.live/css/css-backgrounds/parsing/border-image-shorthand.sub.html and https://searchfox.org/wubkat/rev/482480f60b1f8c26dfe99b670a5fe677abb0fcd8/Source/WebCore/css/parser/CSSPropertyParser.cpp#5645-5677 https://searchfox.org/wubkat/search?q=symbol:_ZN7WebCore12CSSValuePool26createImplicitInitialValueEv&redirect=false 1895413 1 webkit-bug-importer 2022-08-31 21:57:47 -0700 <rdar://problem/99420050> 1912188 2 darin 2022-11-13 22:44:06 -0800 All uses of createImplicitInitialValue have this problem. 1912622 3 darin 2022-11-15 08:44:39 -0800 I started working on this and I am sort of falling down a rabbit hole, since there is so much here that can be improved. 1913564 4 darin 2022-11-18 14:33:11 -0800 Pull request: https://github.com/WebKit/WebKit/pull/6652 1913565 5 darin 2022-11-18 14:33:50 -0800 Scaled back my ambition in this particular bug to just the two border-image shorthands, rather than all the other uses of createImplicitInitialValue, which likely each create a similar problem. 1915299 6 ews-feeder 2022-11-29 08:12:38 -0800 Committed 257119@main (c0c6ad146d33): <https://commits.webkit.org/257119@main> Reviewed commits have been landed. Closing PR #6652 and removing active labels.