Options: ensure "syntax_highlighting" saves correctly.

See #82.

wp-user-profiles/includes/capabilities.php

@@ -182,7 +182,7 @@ function wp_user_profiles_user_supports( $thing = '', $user_id = 0 ) {
 	}
 
 	// Filter & return
-	return apply_filters( '', $retval, $thing, $user_id );
+	return apply_filters( 'wp_user_profiles_user_supports', $retval, $thing, $user_id );
 }
 
 /**

wp-user-profiles/includes/metaboxes/options-contact.php

@@ -28,7 +28,9 @@ function wp_user_profiles_contact_metabox( $user = null ) {
 
 		foreach ( $methods as $name => $desc ) :
 
-			?><tr class="user-<?php echo esc_attr( $name ); ?>-wrap">
+			$row_class = "user-{$name}-wrap";
+
+			?><tr class="<?php echo esc_attr( $row_class ); ?>">
 				<th scope="row">
 					<label for="<?php echo esc_attr( $name ); ?>"><?php
 
@@ -38,7 +40,13 @@ function wp_user_profiles_contact_metabox( $user = null ) {
 					?></label>
 				</th>
 				<td>
-					<input type="text" name="<?php echo esc_attr( $name ); ?>" id="<?php echo esc_attr( $name ); ?>" value="<?php echo esc_attr( $user->{$name} ); ?>" class="regular-text" />
+					<input
+						type="text"
+						class="regular-text"
+						id="<?php echo esc_attr( $name ); ?>"
+						name="<?php echo esc_attr( $name ); ?>"
+						value="<?php echo esc_attr( $user->{$name} ); ?>"
+					/>
 				</td>
 			</tr><?php
 

wp-user-profiles/includes/sections/options.php

@@ -74,6 +74,11 @@ public function save( $user = null ) {
 			? 'false'
 			: 'true';
 
+		// Double negative syntax highlighting
+		$user->syntax_highlighting = isset( $_POST['syntax_highlighting'] )
+			? 'false'
+			: 'true';
+
 		// Admin bar front
 		$user->show_admin_bar_front = isset( $_POST['admin_bar_front'] )
 			? 'true'