From d9c3a6f20e858b22ababbb2a3f3209eca1e93c13 Mon Sep 17 00:00:00 2001
From: Kyle Farris <kylefarris@gmail.com>
Date: Sun, 21 Aug 2011 23:08:17 -0300
Subject: Added documentation for some other rule someone added but didn't
 document.

---
 user_guide/libraries/form_validation.html | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'user_guide/libraries/form_validation.html')

diff --git a/user_guide/libraries/form_validation.html b/user_guide/libraries/form_validation.html
index 7c544b69f..4400bac83 100644
--- a/user_guide/libraries/form_validation.html
+++ b/user_guide/libraries/form_validation.html
@@ -1037,6 +1037,13 @@ POST array:</p>
 		<td class="td">&nbsp;</td>
 	</tr>
 
+	<tr>
+		<td class="td"><strong>is_unique</strong></td>
+		<td class="td">Yes</td>
+		<td class="td">Returns FALSE if the form element is not unique in a database table.</td>
+		<td class="td">is_unique[table.field]</td>
+	</tr>
+
 	<tr>
 		<td class="td"><strong>valid_email</strong></td>
 		<td class="td">No</td>
-- 
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