Added stack effects to kernel/input.fs

bugfix in alias? (length related)
NEXTNAME can now also handle long names
added FREE-MEM-VAR

  work on primitives.
>HEAD/>NAME now returns 0 (instead of the nt of ???) on failure.

refactored a few words to use IN-DICTIONARY?
added backtrace hooks to CATCH, THROW and (DOERROR)
added simple backtrace printing

inserted copyright messages in most files that did not have them
removed outdated files engine/32bit.h engine/strsig.c

fixed bug in xtprim?

commented out global-map definitions in gforth.el
fixed see-code bug, improved isprim?
some ifdefs in arch/m68k/machine.h for AmigaOS (contributed by Jorge Acereda)

Quick changes to let all cross-compile, and fit into ec-version.
These files are still on my ToDo list, changes are not complete now.
Jens

renamed special- words into interpret/compile- words.
refactored some of the recent changes.
adapted see to the changes
added way to make a word that defines words with differring
 interpretation and compilation code.

renamed special: to interpret/compile:
renamed save-string to save-mem
added extend-mem
replaced (name>) with ((name>))
replaced name> with name>int and name>comp
renamed compile-only to compile-only-error
replaced xt>i with name>int
replaced xt>c with name>comp
removed xt>s
removed found
search-wordlist now delivers interpretation-xt
replaced (sfind) with find-name
replaced C' with COMP' and [C'] with [COMP']
removed S' and [S']
added hex.
added some helper words
adapted other words to the changes
started documenting the intergration of Gforth in applications

immediate-flag is now $40 and restrict-flag $20
HEADER now stores the compilation wordlist in the header and
	REVEAL reveals into that wordlist
assorted cleanups

eliminated relocation stuff in the kernal; was buggy and useless.
SIGPIPE now returns control to Forth.
Implemented form, rows, and cols; SIGWINCH updates these (on good OS's).
changed popen and pclose to open-pipe and close-pipe.

WORDS and SEE now now respect the terminal size.
a lot of reordering in the Makefile, approaching the GNU standards.
factored NAME>STRING out of many words.
use AC_DECL_SYS_SIGLIST test in configure.in.
removed emitcounter (it was not used anyway).
SYSTEM now unpreps and repreps the terminal.
fixed byg in prims2x.fs.
added NEEDS, ?CSP, !CSP.
rewrote ALIAS?.

changes to loadfilename & co. to make savesystem transparent to
 assertions and ~~

renamed dostruc to dofield
made index and doc-entries nicer
Only words containing 'e' or 'E' are converted to FP numbers.
added many wordset comments
added flush-icache primitive and FLUSH_ICACHE macro
added +DO, U+DO, -DO, U-DO and -LOOP
added code address labels (`docol:' etc.)
fixed sparc cache_flush

  configure -target=i386-<anythinh>-msdos<anyversion>
  creates Makefile for DOS.
* checked in some mminor changes which never were checked in.
* added special startup file for DOS

Added a generator for forth primitives
Cleaned up some minor errors
Changed names of local access (was cell size dependent)
Where is "getopt.h"???!? Added tiny workaround. Where is getopt_long?

variables where saved in memory (and this slows down everything).
Added global up0 for security (up is globbered).

Added restrict's functionalitz to cross.fs

removed all occurency of cell+ name>, because the bug in name> is
fixed.

Added a dusty workaround at the end of prims2x.fs, because of
strange exceptions.

Changed sample variable in wordinfo.fs to udp

Deleted noop output like sp+=0 from prims2x.fs
Made wordinfo.fs work with DTC on i386
Added a faster (???) relocater