http_log/2

Documentation
- Reference manual
- Packages
  - SWI-Prolog HTTP support
    - The HTTP server libraries
      - library(http/http_log): HTTP Logging module
        
        http_log_stream/1
        
        http_log_close/1
        
        http_log/2
        
        post_data_encoded/2
        
        http_logrotate/1
        
        http_schedule_logrotate/2

[det]http_log(+Format, +Args)

Write message from Format and Args to log-stream. See format/2 for details. Succeed without side effects if logging is not enabled.