Bug 113966

Summary: [CSS Regions] widow/orphan bug combined with shapes
Product: WebKit Reporter: CJ Gammon <gammon>
Component: New BugsAssignee: Mihai Maerean <mmaerean>
Status: RESOLVED FIXED    
Severity: Normal CC: betravis, bjonesbe, mihnea, stearns, WebkitBugTracker, zoltan
Priority: P2 Keywords: AdobeTracked
Version: 528+ (Nightly build)   
Hardware: Unspecified   
OS: Unspecified   
Bug Depends on:    
Bug Blocks: 113050    
Attachments:
Description Flags
html and css showing buggy area in red
none
Simplified testcase
none
Screenshot of bug none

CJ Gammon
Reported 2013-04-04 15:03:48 PDT
Created attachment 196536 [details] html and css showing buggy area in red I have attached a situation where there is a gap injected between lines arbitrarily. This seems to be related to the combination of exclusions/regions/widow/orphans. Where when removing exclusions from one of the earlier elements or removing or changing the values of widows/orphans seems to effect the outcome. The split can be often found in the example region in red. This seems to only occur under specific circumstances and can be tricky to recreate, however it does cause a very obvious issue where there appears to be a random break within content.
Attachments
html and css showing buggy area in red (8.02 KB, application/octet-stream)
2013-04-04 15:03 PDT, CJ Gammon 		no flags
Details
Simplified testcase (5.13 KB, text/html)
2013-04-05 11:41 PDT, Bear Travis 		no flags
Details
Screenshot of bug (100.42 KB, image/png)
2013-04-05 11:42 PDT, Bear Travis 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
Mihai Maerean
Comment 1 2013-04-05 06:10:07 PDT
This doesn't seem to happen when only the Regions feature is enabled (and Exclusions/Shapes are disabled).
Bear Travis
Comment 2 2013-04-05 09:48:08 PDT
Linking to parent bugs to track
Bear Travis
Comment 3 2013-04-05 11:41:14 PDT
Created attachment 196657 [details] Simplified testcase The bug repros for me on Chrome Canary. It does not require exclusions. The problem combines regions, widows/orphans, and soft hyphens (charset must be utf-8).
Bear Travis
Comment 4 2013-04-05 11:42:41 PDT
Created attachment 196658 [details] Screenshot of bug Screenshot. Notice the linebox pushed into the center region (red) is too short, and the line spacing is off.
Michelangelo De Simone
Comment 5 2013-06-13 11:05:48 PDT
Still repros on today's nightly (r151543)
Zoltan Horvath
Comment 6 2014-03-27 09:19:37 PDT
Removing CSS Shapes from the blocker list, since the bug (if it still valid?) is not shapes related.
Bear Travis
Comment 7 2014-05-28 12:49:34 PDT
This bug no longer reproduces for me in the nightlies.
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