ChangeLog for lists.

Unattributed changes are by David N. Williams.  Last revision
dates in source files may reflect cosmetic changes not recorded
here.

Version 1.2.3
27Sep02 * Removed use of plainstruct.fs in favor of direct
          definition of FIELD: plus the really simple structures
          idiom.
30Nov04 * Added uncommentable line for ANS compatibility in
          nodespace-pfe.fs:
            S" dstrings.fs" REQUIRED
        * Since that file is no longer restricted to pfe,
          replaced the less common REQUIRES by REQUIRED.
25Mar05 * Restored conditional compile for LIST-EMPTY?, etc.,
          which must have been garbled by editing.  Default is
          false.
31Aug06 * Improved coding of /SNODE-DATA: in snode.fs and
	  /DNODE-DATA: in dnode.fs.
	* Uncommented SEND-LIST: in sendlist.fs and DEND-LIST:
	  in dendlist.fs.
 1Sep06 * Commented out SEND-LIST: and DEND-LIST: as before.
	  They're really best left as suggestions, to be
	  customized when wanted.
	* Added functional listing of words in list-words.txt.
 2Sep06 * Commented out MAKE-NODES: in nodespace.fs, which was
	  included yesterday without mentioning it.  Also
	  corrected a bug in it.
10Sep06 * Fixed example in 0UNUSED-NODES comment to set
	  CURRENT-NODES.

Version 1.2.2
21Sep02 * Removed use of qdstruct.fs in favor of
          plaintstruct.fs, fixed structure references.
        * Removed SNODE-DATA and DNODE-DATA.  Plain structures
          use /SNODE-HEADER and /DNODE-HEADER instead.
        * Changed stack specs for /SNODE-DATA: and /DNODE-DATA:
          to take total offset as input.
        * Added warning comments that we assume zero not to occur
          as an address.  Michael Gassanenko brought up in
          comp.lang.forth that ANS has no such restriction.
        * Updated sexample.fs and dexample.fs for plain
          structures.

Version 1.2.1
14Mar02 * Fixed bug in 0UNUSED-$NODES in nodespace-pfe.fs.
          $! does not simply overwrite unless cell holds an
          address external to string space.

Version 1.2.0
10Mar02 * Skipped version 1.1.x, absorbing major rewrite into 1.2.0.
        * Added global values CURRENT-NODES and CURRENT-LIST,
          which smooths the code a lot.
        * Made all node and list structure references implicit
          in sslist.fs, dslist.fs, sdlist.fs, and ddlist.fs.
        * Made various optional words "uncommentable".

Version 1.0.3
 1Mar02 * Removed explicit conditional compilation in favor of
          separate files with REQUIRED.  REQUIRES removed in
          favor of REQUIRED.
        * Split out node management into nodespace.fs.
        * Flipped nomenclature to reflect natural pointer order
          rather than natural list building order.
        * Split out pfe-dependent words.
        * Split out single-ended, single-linked list words into
          sslists.fs, and double-ended, double-linked list words
          into ddlists.fs.
        * Added single-ended, double-linked lists in sdlists.fs
          and double-ended, single-linked lists in dslists.fs
        * Split out examples into sexample.fs and dexample.fs
          and added double-ended, single-linked and
          single-ended, double-linked examples.
        * WARNING!  This version not completely debugged.

Version 1.0.2
26Feb01 * Replaced NEEDS with REQUIRES.
        * Replaced CELL, CELL-, NIF, and NWHILE by standard
          phrases.
        * Removed DEBUG as suboption of EXAMPLES.

Version 1.0.1
29Jul95 * Start.
28Jun00 * Last change.