BUG ID: Bugzilla bug 9808 REGRESSION: Incorrect layout (and ERROR) when forcing ATSU For All Text

STEPS TO TEST: Choose Use ATSU For All Text from Safari’s Debug menu and reload this page.

TEST PASS: The text “Lorem ipsum” below will remain on one line.

TEST FAIL: There will be a line break after “Lorem” (and at many other places on this page).