Copy over from trunk.
	Extend pmacro language, add testsuite.
	* Makefile.am (SUBDIRS): Add testsuite.
	* Makefile.in: Regenerate.
	* configure.in (AC_OUTPUT): Create testsuite/Makefile,
	testsuite/test-utils.sh.
	* configure: Regenerate.
	* dev.scm (cload): Handle testsuite app.
	(load-testsuite): New function.
	* pmacros.scm: (-pmacro-debug?): New global.
	(-smacro-table): New global.
	(-smacro-lookup, -smacro-set!): New functions.
	(-pmacro-make): New argument `syntactic-form?', all callers updated.
	(-pmacro-syntactic-form?): New function.
	(-pmacro-expected-number, -pmacro-verify-number): New functions.
	(-pmacro-expected-integer, -pmacro-verify-integer): New functions.
	(-pmacro-expected-non-negative-integer): New function.
	(-pmacro-verify-non-negative-integer): New function.
	(-pmacro-expand-expr-list): New function.
	(-pmacro-process-args-1): Renamed from -pmacro-process-args.
	(-pmacro-process-args): Renamed from -pmacro-invoke.
	(-pmacro-apply, -smacro-apply): New functions.
	(-pmacro-expand): Rewrite syntactic form processing.
	(-pmacro-build-lambda): Reformat.
	(define-pmacro): Watch for more errors in definition.
	(pmacro-debug): New function.
	(pmacro-trace): Set/reset -pmacro-debug?.
	(all existing builtin pmacro helpers): Rename to -pmacro-builtin-foo.
	(-pmacro-builtin-substring): Fix.  Add support for `end' marker.
	(-pmacro-builtin-for-each, et.al.): New helpers for .for-each, .let,
	.if, .case, .cond, .begin, .print, .dump, .error, .list, .ref,
	.length, .replicate, .equals, .and, .or, .not, .eq, .ne, .lt, .gt,
	.le, .ge, .add, .sub, .mul, .div, .rem, .sll, .srl, .sra, .bitand,
	.bitor, .bitxor, bitinv, .car, .cdr, .caar, .cadr, .cdar, .cddr.
	(pmacros-init!): Initialize -smacro-table.
	Rewrite pmacro initialization.
	* read.scm (reader-process-expanded): Renamed from
	-reader-process-expanded.  All callers updated.
	Recognize () as a no-op.
	(cpu-load): Tweak logging messages.
	* utils.scm (message): Add comment.
	* cpu/play.cpu: Add some instructions to play with .let.
	* doc/cgenint.texi: Move some debugging related docs to here from
	cgen.texi.
	* doc/pmacros.texi: Reorganize.  Add docs for new builtin pmacros.
	* testsuite/Makefile.am: New file.
	* testsuite/Makefile.in: New file.
	* testsuite/test-utils.sh.in: New file.
	* testsuite/run-tests.sh: New file.
	* testsuite/testsuite.cpu: New file.
	* testsuite/pmacros-1.test: New file.
Copy over from trunk.
	Extend pmacro language, add testsuite.
	* Makefile.am (SUBDIRS): Add testsuite.
	* Makefile.in: Regenerate.
	* configure.in (AC_OUTPUT): Create testsuite/Makefile,
	testsuite/test-utils.sh.
	* configure: Regenerate.
	* dev.scm (cload): Handle testsuite app.
	(load-testsuite): New function.
	* pmacros.scm: (-pmacro-debug?): New global.
	(-smacro-table): New global.
	(-smacro-lookup, -smacro-set!): New functions.
	(-pmacro-make): New argument `syntactic-form?', all callers updated.
	(-pmacro-syntactic-form?): New function.
	(-pmacro-expected-number, -pmacro-verify-number): New functions.
	(-pmacro-expected-integer, -pmacro-verify-integer): New functions.
	(-pmacro-expected-non-negative-integer): New function.
	(-pmacro-verify-non-negative-integer): New function.
	(-pmacro-expand-expr-list): New function.
	(-pmacro-process-args-1): Renamed from -pmacro-process-args.
	(-pmacro-process-args): Renamed from -pmacro-invoke.
	(-pmacro-apply, -smacro-apply): New functions.
	(-pmacro-expand): Rewrite syntactic form processing.
	(-pmacro-build-lambda): Reformat.
	(define-pmacro): Watch for more errors in definition.
	(pmacro-debug): New function.
	(pmacro-trace): Set/reset -pmacro-debug?.
	(all existing builtin pmacro helpers): Rename to -pmacro-builtin-foo.
	(-pmacro-builtin-substring): Fix.  Add support for `end' marker.
	(-pmacro-builtin-for-each, et.al.): New helpers for .for-each, .let,
	.if, .case, .cond, .begin, .print, .dump, .error, .list, .ref,
	.length, .replicate, .equals, .and, .or, .not, .eq, .ne, .lt, .gt,
	.le, .ge, .add, .sub, .mul, .div, .rem, .sll, .srl, .sra, .bitand,
	.bitor, .bitxor, bitinv, .car, .cdr, .caar, .cadr, .cdar, .cddr.
	(pmacros-init!): Initialize -smacro-table.
	Rewrite pmacro initialization.
	* read.scm (reader-process-expanded): Renamed from
	-reader-process-expanded.  All callers updated.
	Recognize () as a no-op.
	(cpu-load): Tweak logging messages.
	* utils.scm (message): Add comment.
	* cpu/play.cpu: Add some instructions to play with .let.
	* doc/cgenint.texi: Move some debugging related docs to here from
	cgen.texi.
	* doc/pmacros.texi: Reorganize.  Add docs for new builtin pmacros.
	* testsuite/Makefile.am: New file.
	* testsuite/Makefile.in: New file.
	* testsuite/test-utils.sh.in: New file.
	* testsuite/run-tests.sh: New file.
	* testsuite/testsuite.cpu: New file.
	* testsuite/pmacros-1.test: New file.
Copy over from trunk.
	Extend pmacro language, add testsuite.
	* Makefile.am (SUBDIRS): Add testsuite.
	* Makefile.in: Regenerate.
	* configure.in (AC_OUTPUT): Create testsuite/Makefile,
	testsuite/test-utils.sh.
	* configure: Regenerate.
	* dev.scm (cload): Handle testsuite app.
	(load-testsuite): New function.
	* pmacros.scm: (-pmacro-debug?): New global.
	(-smacro-table): New global.
	(-smacro-lookup, -smacro-set!): New functions.
	(-pmacro-make): New argument `syntactic-form?', all callers updated.
	(-pmacro-syntactic-form?): New function.
	(-pmacro-expected-number, -pmacro-verify-number): New functions.
	(-pmacro-expected-integer, -pmacro-verify-integer): New functions.
	(-pmacro-expected-non-negative-integer): New function.
	(-pmacro-verify-non-negative-integer): New function.
	(-pmacro-expand-expr-list): New function.
	(-pmacro-process-args-1): Renamed from -pmacro-process-args.
	(-pmacro-process-args): Renamed from -pmacro-invoke.
	(-pmacro-apply, -smacro-apply): New functions.
	(-pmacro-expand): Rewrite syntactic form processing.
	(-pmacro-build-lambda): Reformat.
	(define-pmacro): Watch for more errors in definition.
	(pmacro-debug): New function.
	(pmacro-trace): Set/reset -pmacro-debug?.
	(all existing builtin pmacro helpers): Rename to -pmacro-builtin-foo.
	(-pmacro-builtin-substring): Fix.  Add support for `end' marker.
	(-pmacro-builtin-for-each, et.al.): New helpers for .for-each, .let,
	.if, .case, .cond, .begin, .print, .dump, .error, .list, .ref,
	.length, .replicate, .equals, .and, .or, .not, .eq, .ne, .lt, .gt,
	.le, .ge, .add, .sub, .mul, .div, .rem, .sll, .srl, .sra, .bitand,
	.bitor, .bitxor, bitinv, .car, .cdr, .caar, .cadr, .cdar, .cddr.
	(pmacros-init!): Initialize -smacro-table.
	Rewrite pmacro initialization.
	* read.scm (reader-process-expanded): Renamed from
	-reader-process-expanded.  All callers updated.
	Recognize () as a no-op.
	(cpu-load): Tweak logging messages.
	* utils.scm (message): Add comment.
	* cpu/play.cpu: Add some instructions to play with .let.
	* doc/cgenint.texi: Move some debugging related docs to here from
	cgen.texi.
	* doc/pmacros.texi: Reorganize.  Add docs for new builtin pmacros.
	* testsuite/Makefile.am: New file.
	* testsuite/Makefile.in: New file.
	* testsuite/test-utils.sh.in: New file.
	* testsuite/run-tests.sh: New file.
	* testsuite/testsuite.cpu: New file.
	* testsuite/pmacros-1.test: New file.
	Delete files that now live in ../cpu.
	* cpu/iq10.cpu: Delete.
	* cpu/iq2000.cpu: Delete.
	* cpu/iq2000.opc: Delete.
	* cpu/iq2000m.cpu: Delete.
	* cpu/m32r.cpu: Delete.
	* cpu/m32r.opc: Delete.
	Delete files that now live in ../cpu.
	* cpu/iq10.cpu: Delete.
	* cpu/iq2000.cpu: Delete.
	* cpu/iq2000.opc: Delete.
	* cpu/iq2000m.cpu: Delete.
	* cpu/m32r.cpu: Delete.
	* cpu/m32r.opc: Delete.
Bring over various patches from the trunk.
Bring over various patches from the trunk.
Bring over various patches from the trunk.
Bring over various patches from the trunk.
Bring over various patches from the trunk.
Copy over mep patches from trunk.
Copy over mep patches from trunk.