Custom Groups with Long Titles -- Null in "name" field

If a custom group is created with a long title, the value of the "name" field in civicrm_custom_group is not created (null value) for the group. This produces a "showBlock array item not in .tpl" error on any form pages that call the custom group.

See: http://forum.civicrm.org/index.php/topic,2257.0.html