This files describes API changes in /message/ messaging system,
information provided here is intended especially for developers.

=== 10 ===

* get_message_processors accepts an addition parameter for testing, which will just reset processor and exit.
* Deprecated method message_current_user_is_involved() has been removed.
* Removed all message_print_* functions as well as the files search.html, search_advanced.html and
  send_form.php due to messaging UI rehaul.
* Deprecated the following functions as they are no longer used.
    - message_get_course_contexts
    - message_remove_url_params
    - message_count_messages
    - message_count_blocked_users
    - message_contact_link
    - message_get_recent_notifications
    - message_history_link
    - message_search
    - message_shorten_message
    - message_get_fragment
    - message_get_history
    - message_get_contact_add_remove_link
    - message_get_contact_block_link
    - message_mark_messages_read
    - message_page_type_list
    - message_can_post_message
    - message_is_user_non_contact_blocked
    - message_is_user_blocked
* message_count_unread_messages does not return notifications anymore, just messages and only messages
  that have not been deleted by the first user (current user by default).