sunet/scheme/lib url.scm

[Viola Brunner <vibr@users.sourceforge.net>]

Update of /cvsroot/sunet/sunet/scheme/lib
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv12634/lib

Modified Files:
      Tag: http-1-1
        url.scm 
Log Message:
*work around scsh bug (?) in definition of charset UNRESERVED
*new procs for encoding URIs: 
-general proc ESCAPE taking an RegExp representing forbidden chars as argument
-specialized procs ESCAPE-SEGMENT, ESCAPE-QUERY
*new helper proc ASCII->ESCAPED
*use ESCAPE-SEGMENT and ESCAPE-URI in HTTP-URL->URI-STRING