Common.soy: make explictely nullable the css parameter
To help with later changes in Soy, we are marking optional parameters
explicitely as nullable.
Change-Id: I94703c6fd28457a997a877fd0b88157e445f5095
diff --git a/resources/com/google/gitiles/templates/Common.soy b/resources/com/google/gitiles/templates/Common.soy
index c5fb238..b47eb2c 100644
--- a/resources/com/google/gitiles/templates/Common.soy
+++ b/resources/com/google/gitiles/templates/Common.soy
@@ -24,7 +24,7 @@
*/
{@param? customVariant: ?} /** variant name for custom styling. */
{@param breadcrumbs: ?} /** navigation breadcrumbs for this page. */
- {@param? css: list<?>} /** optional list of CSS URLs to include. */
+ {@param? css: list<?>|null} /** optional list of CSS URLs to include. */
{@param? containerClass: ?} /** optional class to append to the main container. */
{@inject staticUrls: ?}
{@inject SITE_TITLE: string}
