Results using the fossil https proxy support patch.

First attempt using the old fossil to show it fails:

C:\opt\tcl\src\tcl85>set http_proxy=http://fox:3128/
C:\opt\tcl\src\tcl85>set https_proxy=http://fox:3128/
C:\opt\tcl\src\tcl85>fossil pull
Server:    https://patthoyts@core.tcl.tk/tcl/
via proxy: http://fox:3128/
                Bytes      Cards  Artifacts     Deltas
Sent:             193          3          0          0
c:\opt\bin\fossil.exe: server says: 400 Couldn't parse URL
Total network traffic: 392 bytes sent, 0 bytes received

Now using the patched version...

C:\opt\tcl\src\tcl85>\src\fossil\fossil.exe pull
Server:    https://patthoyts@core.tcl.tk/tcl/
via proxy: http://fox:3128/
                Bytes      Cards  Artifacts     Deltas
Sent:             193          3          0          0
waiting for server...HTTP/1.1 200 Tunnel established


Unknown SSL certificate:

  countryName               = US
  stateOrProvinceName       = CA
  localityName              = SFO
  organizationName          = Tcl/Tk
  organizationalUnitName    = Source code
  commonName                = core.tcl.tk

Issued By:

  countryName               = US
  stateOrProvinceName       = CA
  localityName              = SFO
  organizationName          = Tcl/Tk
  organizationalUnitName    = Source code
  commonName                = core.tcl.tk


Accept certificate [a=always/y/N]? a
Received:        3038         67          0          0
Sent:            3232         68          0          0
waiting for server...HTTP/1.1 200 Tunnel established

Received:       78230        131          2         63
Sent:             694         13          0          0
waiting for server...HTTP/1.1 200 Tunnel established

Received:        8807         77          0         11
Sent:             177          2          0          0
waiting for server...HTTP/1.1 200 Tunnel established

Received:        3022         66          0          0
Total network traffic: 3281 bytes sent, 45875 bytes received

C:\opt\tcl\src\tcl85>