Implementation report on generic URI syntax
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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.