Merge branch 'MDL-60874-master-enrolautocomplete' of git://github.com/mudrd8mz/moodle

diff --cc lib/upgrade.txt
index be7297d,ef558d7..e617aa4
--- 1/lib/upgrade.txt
--- 2/lib/upgrade.txt
+++ b/lib/upgrade.txt
@@@ -3,9 -3,9 +3,11 @@@ information provided here is intended e
  
  === 3.6 ===
  
- 
- - external_function_info()
+ * Custom AJAX handlers for the form autocomplete fields can now optionally return string in their processResults()
+   callback. If a string is returned, it is displayed instead of the list if suggested items. This can be used, for
+   example, to inform the user that there are too many items matching the current search criteria.
 +* The following functions have been finally deprecated and can not be used any more:
++  - external_function_info()
  
  === 3.5 ===