ref: 3a77c01f43821dcc4f7cae54aff89bb20f2d95a5
dir: /sys/src/cmd/upas/imap4d/capability/
status u acl [rfc2086][rfc4314] u annotate-experiment-1 [rfc5257] u binary [rfc3516] catenate [rfc4469] children [rfc3348] u compress=deflate [rfc4978] condstore [rfc4551] context=search [rfc5267] context=sort [rfc5267] u convert [rfc-ietf-lemonade-convert-20.txt] enable [rfc5161] * esearch [rfc4731] esort [rfc5267] u i18nlevel=1 [rfc5255] u i18nlevel=2 [rfc5255] u id [rfc2971] y idle [rfc2177] u language [rfc5255] literal+ [rfc2088] login-referrals [rfc2221] y logindisabled [rfc2595][rfc3501] mailbox-referrals [rfc2193] multiappend [rfc3502] y namespace [rfc2342] qresync [rfc5162] y quota [rfc2087] u rights= [rfc4314] sasl-ir [rfc4959] * searchres [rfc5182] * sort [rfc5256] starttls [rfc2595][rfc3501] n thread [rfc5256] y uidplus [rfc4315] n unselect [rfc3691] u urlauth [rfc4467] within [rfc5032]