Content-Typeheader and plugins. This predicate is the common implementation of the HTTP client operations. The predicates http_delete/3, http_post/4 and http_put/4 call this predicate with an appropriate
method(+Method)option and ---for http_post/4 and http_put/4--- a
Options are passed to http_open/3 and http_read_data/3. Other options:
- Synonym for
headers(Fields)from http_open/3. Provided for backward compatibility. Note that
http_version(Major-Minor)is missing in the new version.