This test ensures that mandatory ligatures in Arabic are displayed.

There are two subtests. The first requires an isolate lam-alef ligature and the second requires a right-joining lam-alef ligature.

Run the test. No interaction required.

The test is passed if subtests are displayed as following:

$RCSfile: text-intro-07-t.svg,v $ آلات ثلاثة $Revision: 1.2 $