This is an ArsDigita distribution of AOLserver 3.3.1 (patchlevel 13).
It returns

  Server: AOLserver/3.3.1+ad13

as an HTTP header. It includes the following patches on top of the
standard AOLserver 3.3.1.

@@@ Carried over from 3.2+ad12:

- Patches to support character encodings.  Described in
  encoding-doc.html.

- Add errorminsize to doc/config.txt.

- Added byte range support in fastpath.c and ns_returnfile.

- Added Tcl command "ns_db stats poolname", which returns a two-element
  list.  The first element is the maximum number of handles in the pool
  (equal to the "connections" config parameter).  The second element is
  the number of handles currently available in the pool.

- Reset ADP exception before executing an ADP, in case previous ADP
  called ns_adp_break, etc.

- Ns_QueryToSet will not allow parameters whose names end with ".tmpfile".

- Added boolean database parameter "WarnEmpty".  If this is set, then
  AOLserver will log a warning when the last handle in a database pool
  is empty, and when a thread tries to get a handle from an empty pool.
  Set this in the ns/db/pool/poolname section.

- Patch to op.c to not crash on bad HTTP request line if nsd.tcl has a
  401 redirect.

- Patch to NsHandleSignals to actually exit on Linux if a SIGSEGV is
  received.

- Patch to ns_sourceproc to cache Tcl pages (including bytecodes) if
  nscache module is installed.

- Set system encoding to ns/server/server1/SystemEncoding (default
  utf-8) in modules/tcl/init.tcl.

- Fix channel memory leak in tclIO.c.

@@@ New in 3.3.1+ad13

- Declare Ns_ConnWriteRawData in ns.h.

- Fix switch statement in ns_choosecharset.

- Import fix for freeing of Tcl TSD from AOLserver 4.0 tree.

- Merged additional i18n support from Henry Minsky, allowing programs
  to translate form data to multiple charsets within a single HTTP request.

