Docs: Fix a typo in wp-includes/rss.php inline comments.

This changeset replaces "wc3dtf" with "W3C date/time formats" to fix a typo and to provide a better description of the related code.

Props lanacodes, sabernhardt, nithins53.
Fixes #57467.

Built from https://develop.svn.wordpress.org/trunk@55644


git-svn-id: http://core.svn.wordpress.org/trunk@55156 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/rss.php

@@ -836,7 +836,7 @@ class RSSCache {
 if ( !function_exists('parse_w3cdtf') ) :
 function parse_w3cdtf ( $date_str ) {
 
-	# regex to match wc3dtf
+	# regex to match W3C date/time formats
 	$pat = "/(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2})(:(\d{2}))?(?:([-+])(\d{2}):?(\d{2})|(Z))?/";
 
 	if ( preg_match( $pat, $date_str, $match ) ) {

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.3-alpha-55643';
+$wp_version = '6.3-alpha-55644';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.