Bug 223687

Summary: box-decoration-break: clone is not taken into account when breaking lines
Product: WebKit Reporter: Johannes Odland <johannes.odland>
Component: CSSAssignee: Nobody <webkit-unassigned>
Status: RESOLVED CONFIGURATION CHANGED    
Severity: Normal CC: karlcow, mmaxfield, simon.fraser, webkit-bug-importer, zalan
Priority: P2 Keywords: BrowserCompat, InRadar
Version: Safari 14   
Hardware: Unspecified   
OS: Unspecified   
See Also: https://bugs.webkit.org/show_bug.cgi?id=267846
Attachments:
Description Flags
Screenshot shows inline-elements overflowing container due to box-decoration-break: clone
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Testcase reproducing the bug
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A screenshot of Safari 16.1 and 16.4. The issue is present in 16.1, but fixed in 16.4 none

Johannes Odland
Reported 2021-03-24 05:01:23 PDT
Created attachment 424124 [details] Screenshot shows inline-elements overflowing container due to box-decoration-break: clone Steps to reproduce the problem: 1. Add a span inside a div. 2. Define a width on the div. 3. Set `box-decoration-break: clone`, `padding: 15px` and `word-break: break-all` on the span. 4. Fill the span with text. https://codepen.io/johannesodland/pen/BaQgEyZ What is the expected behavior? The padding added on each line through `box-decoration-break: clone` should be accounted for when breaking lines. Each padding-box should stay within the container. What went wrong? The extra padding is not accounted for when breaking lines and the extra padding overflows the container. Did this work before? N/A Does this work in other browsers? Yes
Attachments
Screenshot shows inline-elements overflowing container due to box-decoration-break: clone (30.08 KB, image/png)
2021-03-24 05:01 PDT, Johannes Odland 		no flags
Details
Testcase reproducing the bug (764 bytes, text/html)
2021-03-24 05:02 PDT, Johannes Odland 		no flags
Details
A screenshot of Safari 16.1 and 16.4. The issue is present in 16.1, but fixed in 16.4 (1.02 MB, image/png)
2023-04-23 22:53 PDT, Johannes Odland 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
Johannes Odland
Comment 1 2021-03-24 05:02:35 PDT
Created attachment 424125 [details] Testcase reproducing the bug
Radar WebKit Bug Importer
Comment 2 2021-03-31 05:02:13 PDT
<rdar://problem/76048576>
Johannes Odland
Comment 3 2023-04-23 22:53:51 PDT
Created attachment 466058 [details] A screenshot of Safari 16.1 and 16.4. The issue is present in 16.1, but fixed in 16.4 I have moved the test case for easier testing, and retested in Safari 16.4. The issue seems to be resolved in Safari 16.4. Url to test case: https://johannesodland.github.io/browserbugs/safari-box-decoration-break-clone-padding-ignored-issue.html
alan
Comment 4 2023-04-24 06:45:43 PDT
(In reply to Johannes Odland from comment #3) > Created attachment 466058 [details] > A screenshot of Safari 16.1 and 16.4. The issue is present in 16.1, but > fixed in 16.4 > > I have moved the test case for easier testing, and retested in Safari 16.4. > > The issue seems to be resolved in Safari 16.4. > > Url to test case: > https://johannesodland.github.io/browserbugs/safari-box-decoration-break- > clone-padding-ignored-issue.html Thank you for following up on this! This has progressed at 255771@main (this is when we switched over to the new modern line layout for 'clone'. (IFC progression)).
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