Implementation report on generic URI syntax

The test page used was <http: www.ics.uci.edu="" ~fielding="" url="" test1.html="">
It has been tested on:

• Mozilla/4.03 [en] (X11; U; SunOS 5.5 sun4u; Nav)
  
• Lynx/2.7.1 libwww-FM/2.14
  
• MSIE 3.01; Windows 95
  
• NCSA_Mosaic/2.6 (X11;SunOS 4.1.2 sun4m) libwww/2.12

The following features were tested:

• Hierarchical URLs
  • Implemented in http, file, and ftp URLs on all tested applications
• Nonhierarchical URLs
  • Implemented in mailto and news URLs on all tested applications
• Escaped encoding
  • Implemented on all tested applications above
• Fragments
  • Implemented on all tested applications above
• Userinfo
  • Implemented on Lynx/2.7.1 and Mozilla/4.03 (did not test others)
• Host/port
  • Implemented on all tested applications above
• Path
  • Implemented on all tested applications above
• Relative path resolution
  • Lynx/2.7.1, MSIE 3.01, NCSA_Mosaic/2.6 all parse normal examples
    within compliance limits. There are still a couple cases where
    Mozilla/4.03 doesn't handle unknown schemes correctly, but people
    at Netscape claim they will fix those as known bugs once the RFC
    is done.
    
• Semicolon within a segment
  • Used in ftp and imap URLs (that is, ";" is reserved for those)
    Also used in file URLs on VMS systems, but I don't count that.
• Query
  • Used in http and wais URLs
• Various types of Base URL
  • All tested applications support file and http base URLs.
    All except Mozilla/4.03 supported a test of the "fred" URL
    scheme as a test of an unknown scheme.