Accessibility added, v2.6.0d6 (S.T. 2.5.10).

= Reference container semantics for assistive technology =
- Table header elements with row scope in the first column.
- Table caption invisible to sighted users but required for screen readers.
= Referrer accessibility =
- jQuery referrers are accessible but don’t show the tooltips on focus.
- AMP compatible tooltips show up on focus on navigatable referrers.
- Alternative tooltips now accessible on focus on now navigatable referrers.

git-svn-id: https://plugins.svn.wordpress.org/footnotes/trunk@2498648 b8457f37-d9ea-0310-8a92-e5e31aec5664

footnotes.php

@@ -4,7 +4,7 @@
  * Plugin URI: https://wordpress.org/plugins/footnotes/
  * Description: time to bring footnotes to your website! footnotes are known from offline publishing and everybody takes them for granted when reading a magazine.
  * Author: Mark Cheret
- * Package V.: 2.6.0d5
+ * Package V.: 2.6.0d6
  * Version: 2.6.0d
  * CAUTION: THIS V. FIELD IS PARSED FOR UPDATE CONFIGURATION.
  * Author URI: https://cheret.org/footnotes/
@@ -24,9 +24,9 @@
  * @since 2.1.4
  * @since 2.5.3 (Hungarian)
  * @var str
- * @lastmodified 2021-03-17T1628+0100
+ * @lastmodified 2021-03-18T1137+0100
  */
-define( 'C_STR_PACKAGE_VERSION', '2.6.0d5' );
+define( 'C_STR_PACKAGE_VERSION', '2.6.0d6' );
 
 /**
  * Version numbers in WordPress plugin readme.txt and main PHP headers.