%% You should probably cite draft-ietf-calext-subscription-upgrade-06 instead of this revision. @techreport{ietf-calext-subscription-upgrade-02, number = {draft-ietf-calext-subscription-upgrade-02}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/html/draft-ietf-calext-subscription-upgrade-02}, author = {Michael Douglass}, title = {{Calendar subscription upgrades}}, pagetotal = 15, year = , month = , day = , abstract = {This specification updates {[}RFC5545{]} to add the value DELETED to the STATUS property. This specification also updates {[}RFC7240{]} to add the subscribe- enhanced-get and limit preferences.}, }