You can edit, btw.
JanKusanagi @identi.ca at 2015-02-10T22:01:09Z
Mark Holmquist at 2015-02-10T22:03:08Z
Pumpa can edit posts (unless your version is really old), as does Dianara. No such option in the webUI, no.
JanKusanagi @identi.ca at 2015-02-10T22:05:38Z