EllisLab/CodeIgniter — pull request #1763 by pickupman (2012-09-03 03:45:34+00:00)
Title: Fix #1741 is_unique duplicated in documentation for Form_validation

The Form Validation method is_unique is duplicated in the documentation function references. It was seem to happen between CI user guide 2.1.2 and the switch to Sphinx/Markdown format. This changeset removes the duplicate.