Docs: Clarify that register_taxonomy() only accepts lowercase value…

…s for the `$taxonomy` parameter. This brings consistency with docblock used in `register_post_type()`. Props audrasjb, bengreeley, dipakparmar443. Fixes #56352 See #55646. Built from https://develop.svn.wordpress.org/trunk@53873 git-svn-id: http://core.svn.wordpress.org/trunk@53432 1a063a9b-81f0-0310-95a4-ce76da25c4cd
NekoJonez · Aug 10, 2022 · 50e3e21 · 50e3e21
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commit 50e3e21
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diff --git a/wp-includes/taxonomy.php b/wp-includes/taxonomy.php
@@ -390,7 +390,8 @@ function is_taxonomy_hierarchical( $taxonomy ) {
  *
  * @global WP_Taxonomy[] $wp_taxonomies Registered taxonomies.
  *
- * @param string       $taxonomy    Taxonomy key, must not exceed 32 characters.
+ * @param string       $taxonomy    Taxonomy key, must not exceed 32 characters and may only contain lowercase alphanumeric
+ *                                  characters, dashes, and underscores. See sanitize_key().
  * @param array|string $object_type Object type or array of object types with which the taxonomy should be associated.
  * @param array|string $args        {
  *     Optional. Array or query string of arguments for registering a taxonomy.

diff --git a/wp-includes/version.php b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.1-alpha-53872';
+$wp_version = '6.1-alpha-53873';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.