tree 7ebf8f517597235def4006f6ae8d50f5a698934e
parent 473b92ed852160eab7c2365a49eda22bbbc97909
author mmaxfield@apple.com <mmaxfield@apple.com@268f45cc-cd09-0410-ab3c-d52691b4dbfc> 1643136603 +0000
committer mmaxfield@apple.com <mmaxfield@apple.com@268f45cc-cd09-0410-ab3c-d52691b4dbfc> 1643136603 +0000

REGRESSION(r281419): iCloud.com Notes web app fonts render incorrectly
https://bugs.webkit.org/show_bug.cgi?id=235559
<rdar://problem/87268956>

Reviewed by Darin Adler.

LayoutTests/imported/w3c:

* web-platform-tests/html/canvas/element/drawing-text-to-the-canvas/null-character-expected.txt: Added.
* web-platform-tests/html/canvas/element/drawing-text-to-the-canvas/null-character.html: Added.

Source/WebCore:

Chrome and Firefox render U+0000 NULL as invisible. We should do the same, despite it technically being classified as a control character.

https://github.com/w3c/csswg-drafts/pull/6983

Test: imported/w3c/web-platform-tests/html/canvas/element/drawing-text-to-the-canvas/null-character.html

* platform/graphics/WidthIterator.cpp:
(WebCore::WidthIterator::applyCSSVisibilityRules):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@288564 268f45cc-cd09-0410-ab3c-d52691b4dbfc