LayoutTests/fast/text/zero-width-characters-expected.txt - WebKit - Git at Google

 This test checks various characters that should always be zero width to ensure that they are. The WebKit text system ensures this in a way that's independent of the fonts installed on the system.

 PASS: All the characters had zero width.
	This test checks various characters that should always be zero width to ensure that they are. The WebKit text system ensures this in a way that's independent of the fonts installed on the system.

	PASS: All the characters had zero width.