Index: src/wp-includes/comment-template.php
===================================================================
--- src/wp-includes/comment-template.php	(revision 37241)
+++ src/wp-includes/comment-template.php	(working copy)
@@ -345,17 +345,20 @@
  * in the order of $before, link, and finally $after.
  *
  * @since 1.5.0
+ * @since 4.6.0 The `$comment` parameter was added.
  *
- * @param string $linktext Optional. The text to display instead of the comment
- *                         author's email address. Default empty.
- * @param string $before   Optional. The text or HTML to display before the email link.
- *                         Default empty.
- * @param string $after    Optional. The text or HTML to display after the email link.
- *                         Default empty.
+ * @param string         $linktext Optional. The text to display instead of the comment
+ *                                 author's email address. Default empty.
+ * @param string         $before   Optional. The text or HTML to display before the email link.
+ *                                 Default empty.
+ * @param string         $after    Optional. The text or HTML to display after the email link.
+ *                                 Default empty.
+ * @param int|WP_Comment $comment  Optional. Comment ID or WP_Comment object.
+ *                                 Default is the current comment.
  * @return string The HTML link between the $before and $after parameters.
  */
-function get_comment_author_url_link( $linktext = '', $before = '', $after = '' ) {
-	$url = get_comment_author_url();
+function get_comment_author_url_link( $linktext = '', $before = '', $after = '', $comment = 0 ) {
+	$url = get_comment_author_url( $comment );
 	$display = ($linktext != '') ? $linktext : $url;
 	$display = str_replace( 'http://www.', '', $display );
 	$display = str_replace( 'http://', '', $display );
@@ -380,16 +383,19 @@
  * Displays the HTML link of the url of the author of the current comment.
  *
  * @since 0.71
+ * @since 4.6.0 The `$comment` argument was added.
  *
- * @param string $linktext Optional. Text to display instead of the comment author's
- *                         email address. Default empty.
- * @param string $before   Optional. Text or HTML to display before the email link.
- *                         Default empty.
- * @param string $after    Optional. Text or HTML to display after the email link.
- *                         Default empty.
+ * @param string         $linktext Optional. Text to display instead of the comment author's
+ *                                 email address. Default empty.
+ * @param string         $before   Optional. Text or HTML to display before the email link.
+ *                                 Default empty.
+ * @param string         $after    Optional. Text or HTML to display after the email link.
+ *                                 Default empty.
+ * @param int|WP_Comment $comment  Optional. Comment ID or WP_Comment object.
+ *                                 Default is the current comment.
  */
-function comment_author_url_link( $linktext = '', $before = '', $after = '' ) {
-	echo get_comment_author_url_link( $linktext, $before, $after );
+function comment_author_url_link( $linktext = '', $before = '', $after = '', $comment = 0 ) {
+	echo get_comment_author_url_link( $linktext, $before, $after, $comment );
 }
 
 /**