Import Upstream version 5e3upstream/5e3

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diff --git a/ChangeLog b/ChangeLog
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--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,277 @@
+2006-10-21  Aubrey Jaffer  <jaffer@aubrey.jaffer>
+
+	* patchlvl.h (SCMVERSION): Bumped from 5e2 to 5e3.
+
+2006-10-20  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scm.texi (Testing): Fixed typo in CHEAP_CONTINUATIONS.
+
+	* Transcen.scm (real-functions): Define real-* in terms of $* for
+	legacy executables.
+
+	* Makefile (checklit): No longer does test-cont.
+	(scmflags.h): Fixed crucial typo in CHEAP_CONTINUATIONS.
+
+2006-10-20  Richard Harke
+
+	* continue-ia64.S: Update.
+
+	* build.scm (link-c-program linux-ia64): Added. "continue-ia64.o".
+
+2006-10-03  Radey Shouman  <shouman@comcast.net>
+
+	* eval.c (ceval_1): Change LETREC behavior to that of LETREC*:
+	initializers are run in left to right order, and may use
+	previously evaluated variables bound in the same contour.  This
+	change also applies to LETRECs resulting from internal DEFINE.
+
+2006-09-26  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* byte.c (subbytes): Added.
+
+2006-09-21  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scm.texi (Index): Replaced nodes under Indexes with node Index
+	when in info mode; fixes indexing in Emacs 21.4.1.
+
+	* indexes.texi (Indexes): Give each index its own node when not in
+	info mode.  Moved index stuff here so it doesn't break
+	texinfo-every-node-update.
+
+2006-09-19  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scm.h (BYTESP): Added.
+
+	* byte.c (scm_subbytes_read, scm_subbytes_write): Renamed from
+	substring.
+
+2006-09-18  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* Init5e2.scm (integer-log): Added from SRFI-94.
+
+2006-08-28  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* continue.h (FLUSH_REGISTER_WINDOWS): Undid __ia64__ hack.
+
+	* sys.c (igc): Call mark_regs_ia64() for __ia64__.
+
+	* scl.c: real-atan replaces $atan.
+
+	* Transcen.scm (atan): real-atan replaces $atan.
+
+2006-08-27  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* Transcen.scm: Aliases defined for `$' prefixes replaced by
+	`real-'.
+
+	* scm.texi (Numeric, Subr Cells): Most Scheme name `$' prefixes
+	changed to `real-'.
+
+	* hobbit.texi (Hobbit Options, SCM Primitive Procedures): Added
+	`real-' prefixed names.
+
+	* hobbit.scm (*float-recognize-ops*, *standard-s->c-fun-table*):
+	Added `real-' prefixed names.
+
+	* scl.c (cxrs): Most Scheme name `$' prefixes changed to `real-'.
+
+	* eval.c (scm_apply_cxr): Pulled common code out of ceval_1,
+	apply, and scm_cvapply which applies tc7_cxr.  Now signals error
+	if function returns 0/0.
+
+	* Init5e2.scm (integer-sqrt): Added.
+
+2006-08-23  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* continue.h, continue.c: Added conditionals for ia64 port.
+
+	* sys.c (igc): Changed second argument to type SCM so it works
+	with Richard Harke's Linux-ia64 port.
+
+	* get-contoffset-ia64.c (main): Don't try to wrap jmpbuf.
+
+	* Transcen.scm (ln): Added synonym for log.
+	(quo, rem, mod): Simplified.
+
+2006-08-16  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* unif.c, sys.c, scl.c, rope.c, repl.c: Added support for
+	tc7_VfixN8 and tc7_VfixZ8.
+
+	* scm.h, scm.texi (Data Type Representations): Reassigned.
+	(tc7_VfixN8, tc7_VfixZ8): Added byte arrays.
+
+	* unif.c (aset): VfixN16 use num2ushort.
+
+	* ramap.c (array_copy): Corrected cast.
+
+	* scm.texi (Data Type Representations): Corrected pattern for
+	specfun and cclo.
+
+	* unif.c, sys.c, scl.c, rope.c, repl.c: Added support for
+	tc7_VfixN16.
+
+	* scm.h, scm.texi (tc7_VfixN16): Added; reordered tc7 assignments.
+
+2006-08-15  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* ramap.c, repl.c, rope.c, scl.c, sys.c, unif.c: Added support for
+	tc7_VfloC32.
+
+	* scm.h, scm.texi (tc7_VfloC32): Added; reordered tc7 assignments.
+
+	* scm.texi (Header Cells, Data Type Representations): Renamed
+	uniform vector types similarly to SRFI-63.
+
+	* scm.h (tc7_Vbool, tc7_VfixZ16, tc7_VfixN32, tc7_VfixZ32)
+	(tc7_VfloR32, tc7_VfloR64, tc7_VfloC64): Renamed uniform vector
+	types similarly to SRFI-63.
+
+	* Makefile (dscm4, dscm5): != is string operator in shell.
+	"mv -f" for previous scm, slibcat, and implcat.
+
+2006-08-11  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* Init5e2.scm (provide, slib:load-compiled): Modified to ease
+	transition from *FEATURES* to SLIB:FEATURES.
+
+	* Makefile (dscm4, dscm5): Added randomize_va_space machinations.
+
+2006-08-10  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scm.texi (Saving Images): Explains recent Linux machinations.
+
+	* Makefile (dvi, pdf): New tetex-3.0(-20.FC5) broke them -- fixed.
+
+2006-08-09  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* Makefile (SETARCH): Workarounds allow dumping in recent Linux.
+
+	* time.c (linux): defined CLKTCK to (sysconf(_SC_CLK_TCK)).
+
+2006-07-20  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* eval.c (m_body): Removed gratuitous CAUTIOUS conditional.
+
+	* build.scm (manifest): Corrected "get-contoffset-ia64.c".
+
+2006-06-26  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* build.scm (link-c-program linux-ia64): Create include file and
+	assemble "continue-ia64.S".
+
+	* get-contoffset-ia64.c: Small program to write ia64 assembly
+	include file "contoffset-ia64.S" with C offsets from Richard
+	Harke.  Modified to take output filename as argument.
+
+2006-06-03  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scm.texi (Debugging Scheme Code): Updated about stack checking.
+
+	* build.scm (stack-limit): Removed feature.
+
+	* scmfig.h (STACK_LIMIT): Always defined.
+	(CHECK_STACK): Condition on scm_verbose.
+
+	* sys.c (stack_check): Always present.
+
+2006-06-02  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* continue.h (FLUSH_REGISTER_WINDOWS): Use to mark multiple stacks
+	on __ia64__.
+
+	* Makefile (sfiles): Added getoffs.c.
+	(scmflags): CHEAP_CONTIUATIONS for scmlit.
+
+	* build.scm (stack-limit): HEAP_SEG_SIZE/2 was too small on FC2;
+	now HEAP_SEG_SIZE.
+
+2006-05-21  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* sys.c (igc): Moved FLUSH_REGISTER_WINDOWS to after setjump().
+
+	* repl.c (scm_read_numbered): Don't #ifndef MEMOIZED_LOCALS.
+
+	* build.scm (dont-memoize-locals): Added feature.
+
+2006-05-14  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* Makefile (docs): Added target to make all documentation files;
+	then invoke xdvi.
+
+	* scm.texi: Converted to use @copying.
+	(Indexes): Reorganized.
+
+2006-05-13  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* r4rstest.scm (5 2 1): Expose Bigloo tprint redefinition bug.
+
+2006-05-07  Richard Harke
+
+	* continue-ia64.S: Added.
+
+	* continue.c (make_root_continuation, make_continuation)
+	(dynthrow): #ifndef __ia64__.
+
+2006-05-07  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* ugsetjmp.s (_setjump, _longjump): For Ultrix VAX circa 1997.
+
+	* Makefile (sfiles): Renamed from vfiles; added continue-ia64.S
+	and ugsetjump.s.
+
+	* subr.c (mkbig, adjbig): Improved overflow message.
+
+2006-04-24  Radey Shouman  <shouman@comcast.net>
+
+	* eval.c (macroexp1): Add #ifdef to switch case handling line numbers
+	in ceval_1 so that they are safely discarded when MEMOIZE_LOCALS is
+	not #defined.  Perhaps line number generation should be disabled in
+	that case.
+
+2006-04-19  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* Init5e2.scm (boot-tail): Don't load ScmInit.scm if *script*.
+
+2006-03-24  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* r4rstest.scm (test-bignum): Convert test bignums from strings.
+
+	* Init5e2.scm (string-index, read-line): Defined for
+	login->home-directory, which may be called before require defined.
+
+	* mkimpcat.scm (wbtab, rwb-isam): moved to "Simple associations".
+	(add-source): Use 'source form and check file's existence.
+
+2006-03-23  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* r4rstest.scm (have-bignums?): Check bignum arithmetic works.
+	(test-inexact): Do complex tests only if non-real numbers are
+	supported.
+
+2006-03-18  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* r4rstest.scm (test-inexact): Added equal? tests.
+
+2006-03-17  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* r4rstest.scm (test-inexact): Test for -0.0 lossage.
+
+2006-03-14  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* r4rstest.scm (test-inexact): Check that / and magnitude work for
+	very large and very small complex numbers (1e300; 1e-300);
+
+2006-03-13  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scl.c (scm_magnitude): Extend dynamic range by eliminating
+	intermediate expression swell.
+
+2006-03-12  Aubrey Jaffer  <agj@alum.mit.edu>
+
+	* scl.c (divide): Use "Smith's formula" to extend dynamic range;
+	but makes an insignificant difference when compiled with -O3.
+
 2006-02-19  Aubrey Jaffer  <agj@alum.mit.edu>
 
 	* scl.c (atanh, acosh, asinh): define if #ifndef HAVE_ATANH.