[Webkit-unassigned] [Bug 182022] New: Selection highlight does not cover entire character preceding zero-width joiner (ZWJ)
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Tue Jan 23 15:54:25 PST 2018
https://bugs.webkit.org/show_bug.cgi?id=182022
Bug ID: 182022
Summary: Selection highlight does not cover entire character
preceding zero-width joiner (ZWJ)
Product: WebKit
Version: WebKit Nightly Build
Hardware: Macintosh
OS: macOS 10.12.4
Status: NEW
Keywords: NeedsRadar, Regression
Severity: Normal
Priority: P2
Component: Text
Assignee: webkit-unassigned at lists.webkit.org
Reporter: dbates at webkit.org
CC: mmaxfield at apple.com
Created attachment 332088
--> https://bugs.webkit.org/attachment.cgi?id=332088&action=review
Test
While investigating the macOS Sierra EWS test failure for the test fast/text/mac/select-character-before-zero-width-joiner.html in attachment #332038 (patch for bug #181993) I noticed that the rendering of this test regressed in ToT WebKit on macOS Sierra. In particular, the selection highlight does not cover the entire '2' in the test with ToT WebKit.
Perform the following:
1. Open the attached test case (this is the same test included in attachment #332038).
Then the selection highlight does not cover the entire width of the '2'. But in system Safari the selection highlight does cover the entire width of the '2'.
I am using system Safari version 10.1.2 (12603.3.8) on macOS Sierra (16G1004).
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