Error in docs for closing an issue
API docs for issues says you set parameter 'closed' to '1'. I was not able to do that but I could set 'state_event' to 'close' which closed the issue.
Does not work "https://gitlab.com/api/v3/projects/:id/issues/:issue_id?closed=1"
Does work "https://gitlab.com/api/v3/projects/:id/issues/:issue_id?state_event=close"