Author: Andrew Nicols
MDL-61407 qformat: Add null_writer for all qformats
Questions formats do not store any personal data.
Any contrib format which does store personal data should utilise the
standard export interfaces as this subsystem will not call them directly.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=1b03a7f54d8494fc58220bc0113c4282422b0a77
http://github.com/moodle/moodle/commit/1b03a7f54d8494fc58220bc0113c4282422b0a77
+ 3.3 en [privacy:metadata,qformat_aiken]
+ 3.3 en [privacy:metadata,qformat_blackboard_six]
+ 3.3 en [privacy:metadata,qformat_examview]
+ 3.3 en [privacy:metadata,qformat_gift]
+ 3.3 en [privacy:metadata,qformat_missingword]
+ 3.3 en [privacy:metadata,qformat_multianswer]
+ 3.3 en [privacy:metadata,qformat_webct]
+ 3.3 en [privacy:metadata,qformat_xhtml]
+ 3.3 en [privacy:metadata,qformat_xml]