Bug 162565

Summary: REGRESSION (iOS 10): Hebrew vowels are misplaced / incorrectly sized with Ezra SIL font
Product: WebKit Reporter: Tom Hamming <tom.hamming>
Component: TextAssignee: Nobody <webkit-unassigned>
Status: NEW    
Severity: Normal CC: mmaxfield, tom.hamming, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Mac   
OS: macOS 10.12   
Attachments:
Description Flags
Test HTML, css and font files
none
Screenshot of correct rendering
none
Incorrect rendering none

Tom Hamming
Reported 2016-09-26 09:45:22 PDT
Created attachment 289834 [details] Test HTML, css and font files Webkit in Safari 10 and later (602.1.50 according to the user agent string) incorrectly renders some Hebrew vowels. See the attached test HTML file (and associated CSS and font file). In the first line, the dot below the second character from the left should be the same level as the lines below the two matching characters to its right. In the second line, the line below the second character from the left should be the same length as the one below the second character from the right. I have also filed this as Apple radar 28475482.
Attachments
Test HTML, css and font files (60.54 KB, application/zip)
2016-09-26 09:45 PDT, Tom Hamming 		no flags
Details
Screenshot of correct rendering (17.97 KB, image/png)
2016-09-26 09:46 PDT, Tom Hamming 		no flags
Details
Incorrect rendering (17.24 KB, image/png)
2016-09-26 09:47 PDT, Tom Hamming 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
Tom Hamming
Comment 1 2016-09-26 09:46:48 PDT
Created attachment 289835 [details] Screenshot of correct rendering This is a screenshot of the correct rendering of the test HTML, using Chrome Version 53.0.2785.116 (64-bit), listing WebKit 537.36 in its user agent, running on macOS Sierra.
Tom Hamming
Comment 2 2016-09-26 09:47:18 PDT
Created attachment 289836 [details] Incorrect rendering Screenshot of incorrect rendering from Safari.
Tom Hamming
Comment 3 2016-09-26 09:49:42 PDT
The problem shows up in both Safari on iOS 10 and macOS Sierra.
Myles C. Maxfield
Comment 4 2016-10-03 23:00:16 PDT
<rdar://problem/28475482>
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