ResourceLoaderUserOptionsModule.php: Add comment about options['underline']

diff --git a/includes/resourceloader/ResourceLoaderUserOptionsModule.php b/includes/resourceloader/ResourceLoaderUserOptionsModule.php
index e7f2905..1989353 100644 (file)
--- a/includes/resourceloader/ResourceLoaderUserOptionsModule.php
+++ b/includes/resourceloader/ResourceLoaderUserOptionsModule.php
@@ -93,6 +93,8 @@ class ResourceLoaderUserOptionsModule extends ResourceLoaderModule {
 
                        // Build CSS rules
                        $rules = array();
+
+                       // Underline: 2 = browser default, 1 = always, 0 = never
                        if ( $options['underline'] < 2 ) {
                                $rules[] = "a { text-decoration: " . 
                                        ( $options['underline'] ? 'underline' : 'none' ) . "; }";