Index: wp-admin/includes/meta-boxes.php
===================================================================
--- wp-admin/includes/meta-boxes.php	(revision 24505)
+++ wp-admin/includes/meta-boxes.php	(working copy)
@@ -396,14 +396,14 @@
 
 		<div id="<?php echo $taxonomy; ?>-all" class="tabs-panel">
 			<?php
-            $name = ( $taxonomy == 'category' ) ? 'post_category' : 'tax_input[' . $taxonomy . ']';
-            echo "<input type='hidden' name='{$name}[]' value='0' />"; // Allows for an empty term set to be sent. 0 is an invalid Term ID and will be ignored by empty() checks.
-            ?>
+			$name = ( $taxonomy == 'category' ) ? 'post_category' : 'tax_input[' . $taxonomy . ']';
+			echo "<input type='hidden' name='{$name}[]' value='0' />"; // Allows for an empty term set to be sent. 0 is an invalid Term ID and will be ignored by empty() checks.
+			?>
 			<ul id="<?php echo $taxonomy; ?>checklist" data-wp-lists="list:<?php echo $taxonomy?>" class="categorychecklist form-no-clear">
 				<?php wp_terms_checklist($post->ID, array( 'taxonomy' => $taxonomy, 'popular_cats' => $popular_ids ) ) ?>
 			</ul>
 		</div>
-	<?php if ( current_user_can($tax->cap->edit_terms) ) : ?>
+		<?php if ( current_user_can( $tax->cap->edit_terms ) ) : ?>
 			<div id="<?php echo $taxonomy; ?>-adder" class="wp-hidden-children">
 				<h4>
 					<a id="<?php echo $taxonomy; ?>-add-toggle" href="#<?php echo $taxonomy; ?>-add" class="hide-if-no-js">
@@ -723,6 +723,7 @@
  * @param object $link
  */
 function link_categories_meta_box($link) {
+	$taxonomy = get_taxonomy( 'link_category' );
 ?>
 <div id="taxonomy-linkcategory" class="categorydiv">
 	<ul id="category-tabs" class="category-tabs">
@@ -747,16 +748,18 @@
 		</ul>
 	</div>
 
-	<div id="category-adder" class="wp-hidden-children">
-		<h4><a id="category-add-toggle" href="#category-add"><?php _e( '+ Add New Category' ); ?></a></h4>
-		<p id="link-category-add" class="wp-hidden-child">
-			<label class="screen-reader-text" for="newcat"><?php _e( '+ Add New Category' ); ?></label>
-			<input type="text" name="newcat" id="newcat" class="form-required form-input-tip" value="<?php esc_attr_e( 'New category name' ); ?>" aria-required="true" />
-			<input type="button" id="link-category-add-submit" data-wp-lists="add:categorychecklist:link-category-add" class="button" value="<?php esc_attr_e( 'Add' ); ?>" />
-			<?php wp_nonce_field( 'add-link-category', '_ajax_nonce', false ); ?>
-			<span id="category-ajax-response"></span>
-		</p>
-	</div>
+	<?php if ( current_user_can( $taxonomy->cap->manage_terms ) ) : ?>
+		<div id="category-adder" class="wp-hidden-children">
+			<h4><a id="category-add-toggle" href="#category-add"><?php _e( '+ Add New Category' ); ?></a></h4>
+			<p id="link-category-add" class="wp-hidden-child">
+				<label class="screen-reader-text" for="newcat"><?php _e( '+ Add New Category' ); ?></label>
+				<input type="text" name="newcat" id="newcat" class="form-required form-input-tip" value="<?php esc_attr_e( 'New category name' ); ?>" aria-required="true" />
+				<input type="button" id="link-category-add-submit" data-wp-lists="add:categorychecklist:link-category-add" class="button" value="<?php esc_attr_e( 'Add' ); ?>" />
+				<?php wp_nonce_field( 'add-link-category', '_ajax_nonce', false ); ?>
+				<span id="category-ajax-response"></span>
+			</p>
+		</div>
+	<?php endif; ?>
 </div>
 <?php
 }