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=80b0c733f27d33198fbc8406fe0fef42358aee59
http://github.com/moodle/moodle/commit/80b0c733f27d33198fbc8406fe0fef42358aee59
+ 3.5 en [privacy:metadata,qformat_aiken]
+ 3.5 en [privacy:metadata,qformat_blackboard_six]
+ 3.5 en [privacy:metadata,qformat_examview]
+ 3.5 en [privacy:metadata,qformat_gift]
+ 3.5 en [privacy:metadata,qformat_missingword]
+ 3.5 en [privacy:metadata,qformat_multianswer]
+ 3.5 en [privacy:metadata,qformat_webct]
+ 3.5 en [privacy:metadata,qformat_xhtml]
+ 3.5 en [privacy:metadata,qformat_xml]