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Predicate http_status_reply/4
 http_status_reply(+Status, +Out, +HdrExtra, -Code) is det
 http_status_reply(+Status, +Out, +HdrExtra, +Context, -Code) is det
 http_status_reply(+Status, +Out, +HdrExtra, +Context, +Request, -Code) is det
Emit HTML non-200 status reports. Such requests are always sent as UTF-8 documents.

Status can be one of the following:

authorise(Method)
Challenge authorization. Method is one of
  • basic(Realm)
  • digest(Digest)
authorise(basic,Realm)
Same as authorise(basic(Realm)). Deprecated.
bad_request(ErrorTerm)
busy
created(Location)
forbidden(Url)
moved(To)
moved_temporary(To)
no_content
not_acceptable(WhyHtml)
not_found(Path)
method_not_allowed(Method, Path)
not_modified
resource_error(ErrorTerm)
see_other(To)
switching_protocols(Goal, Options)
server_error(ErrorTerm)
unavailable(WhyHtml)
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Jan Wielemaker said (2015-04-27T13:54:31):0 upvotes 0 0 downvotes
Picture of user Jan Wielemaker.

Users should not call this predicate directly (or in fact any other predicate of this library). You can make this predicate return a document using throw/1:

    ...,
    throw(http_reply(forbidden('/secret')).
See also
- http_404/2 and http_redirect/3 are utility predicates that wrap two common cases.