Behavior
- You must own the upload to edit it.
- At least one of
title,description, orpost-privacymust be provided. - Send
titleordescriptionas multipart form fields. This is required for non-ASCII values such as emoji or accented characters, which cannot be carried in HTTP headers. Thetitleanddescriptionheaders still work for plain ASCII values but are discouraged. - Send an empty string for
titleordescriptionto clear the field. titleis truncated to 30 characters,descriptionto 200 characters.

