Twenty Twenty-One: Add missing documentation for some global variables.

Props sabernhardt, upadalavipul, shailu25, rajinsharwar, audrasjb, viralsampat, noruzzaman, huzaifaalmesbah, SergeyBiryukov.
Fixes #58715.
Built from https://develop.svn.wordpress.org/trunk@62483


git-svn-id: http://core.svn.wordpress.org/trunk@61764 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-content/themes/twentytwentyone/functions.php

@@ -9,7 +9,11 @@
  * @since Twenty Twenty-One 1.0
  */
 
-// This theme requires WordPress 5.3 or later.
+/**
+ * This theme requires WordPress 5.3 or later.
+ *
+ * @global string $wp_version The WordPress version string.
+ */
 if ( version_compare( $GLOBALS['wp_version'], '5.3', '<' ) ) {
 	require get_template_directory() . '/inc/back-compat.php';
 }

wp-content/themes/twentytwentyone/inc/back-compat.php

@@ -31,7 +31,7 @@ add_action( 'after_switch_theme', 'twenty_twenty_one_switch_theme' );
  *
  * @since Twenty Twenty-One 1.0
  *
- * @global string $wp_version WordPress version.
+ * @global string $wp_version The WordPress version string.
  *
  * @return void
  */
@@ -50,7 +50,7 @@ function twenty_twenty_one_upgrade_notice() {
  *
  * @since Twenty Twenty-One 1.0
  *
- * @global string $wp_version WordPress version.
+ * @global string $wp_version The WordPress version string.
  *
  * @return void
  */
@@ -74,7 +74,7 @@ add_action( 'load-customize.php', 'twenty_twenty_one_customize' );
  *
  * @since Twenty Twenty-One 1.0
  *
- * @global string $wp_version WordPress version.
+ * @global string $wp_version The WordPress version string.
  *
  * @return void
  */

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '7.1-alpha-62482';
+$wp_version = '7.1-alpha-62483';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.