Merge branch 'master_MDL-71641-tagquestion' of https://github.com/catalyst/moodle...

diff --cc lib/classes/plugin_manager.php
index 3388c7e,b2f328d..8331c2c
--- 1/lib/classes/plugin_manager.php
--- 2/lib/classes/plugin_manager.php
+++ b/lib/classes/plugin_manager.php
@@@ -1941,10 -1941,9 +1941,11 @@@ class core_plugin_manager 
              'qbank' => [
                  'deletequestion',
                  'editquestion',
 +                'exporttoxml',
                  'exportquestions',
                  'importquestions',
 +                'managecategories',
+                 'tagquestion',
                  'viewcreator',
                  'viewquestionname',
                  'viewquestiontext',

diff --cc question/upgrade.txt
index adeff7c,6d76a66..25f85e2
--- 1/question/upgrade.txt
--- 2/question/upgrade.txt
+++ b/question/upgrade.txt
@@@ -6,11 -6,9 +6,13 @@@ This files describes API changes for co
     are divided in two different parts, base classes and feature classes. All the base
     classes are moved classes/local/bank and all the feature classes will be moved to
     the plugin for that feature.
+ 2) submit_tags_form and associated external services for question tag, tags_form in question/type,
+    core_question_output_fragment_tags_form method in lib is deprecated and moved to the tagquestion plugin.
  
 +2) Function question_get_export_single_question_url() in questionlib has been deprecated
 +   and moved to qbank_exporttoxml plugin, the new location is:
 +   qbank_exporttoxml\exporttoxml_helper::question_get_export_single_question_url().
 +
  === 3.9 ==
  
  1) For years, the ..._questions_in_use callback has been the right way for plugins to