Bug 41562

Summary: <marquee> stretches a table and causes layout issues
Product: WebKit Reporter: Joseph Pecoraro <joepeck>
Component: Layout and RenderingAssignee: Ahmad Saleem <ahmad.saleem792>
Status: RESOLVED FIXED    
Severity: Normal CC: ahmad.saleem792, anantha, anderson.calvin1, ap, bfulgham, jasneet, robert, simon.fraser, webkit-bug-importer, zalan
Priority: P2 Keywords: InRadar
Version: 528+ (Nightly build)   
Hardware: PC   
OS: OS X 10.5   
Attachments:
Description Flags
[TEST] Reduction none

Joseph Pecoraro
Reported 2010-07-02 21:25:14 PDT
Created attachment 60437 [details] [TEST] Reduction This is what I saw just making the reduction. A <marquee>inside a <table>, breaks the <table>'s width. In this case it looks like there needed to be a block element containing content greater than the table's width to break the table. To "workaround" the original broken layout you can just reset the table's width. However, this doesn't seem to take affect unless there is a "complex enough" CSS selector. This CSS selector seems to require tree traversal through children. So "nothing > nothing" would be a complex enough selector, but "nothing + nothing" was not. =) NOTE: Both before and after the workaround, the <table> still does not display like Firefox displays it!
Attachments
[TEST] Reduction (752 bytes, text/html)
2010-07-02 21:25 PDT, Joseph Pecoraro 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
Ahmad Saleem
Comment 1 2022-09-12 04:28:24 PDT
*** Safari 15.6.1 *** 289.6875px (twice in alert box) *** Chrome Canary 107 *** 200px (twice in alert box) *** Firefox Nightly 107 *** 200px (twice in alert box) _____ Able to reproduce this. Thanks!
Radar WebKit Bug Importer
Comment 2 2022-09-12 09:59:09 PDT
<rdar://problem/99826593>
Ahmad Saleem
Comment 3 2026-01-21 21:08:14 PST
Pull request: https://github.com/WebKit/WebKit/pull/57029
EWS
Comment 4 2026-01-22 21:28:30 PST
Committed 306059@main (6079da9e03f1): <https://commits.webkit.org/306059@main> Reviewed commits have been landed. Closing PR #57029 and removing active labels.
Ahmad Saleem
Comment 5 2026-01-22 22:28:59 PST
*** Bug 28642 has been marked as a duplicate of this bug. ***
Ahmad Saleem
Comment 6 2026-01-22 22:31:05 PST
*** Bug 21936 has been marked as a duplicate of this bug. ***
Ahmad Saleem
Comment 7 2026-01-22 22:34:31 PST
*** Bug 21877 has been marked as a duplicate of this bug. ***
Ahmad Saleem
Comment 8 2026-01-22 22:36:34 PST
*** Bug 28641 has been marked as a duplicate of this bug. ***
Ahmad Saleem
Comment 9 2026-01-22 22:40:19 PST
*** Bug 19935 has been marked as a duplicate of this bug. ***
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