* module/srfi/srfi-13.mes (string-fold, string-fold-right): New
function.
* tests/srfi-13.test ("string-fold"): Test it.
("string-fold-right"): Test it.
* check-boot.sh: New file.
* check.sh: Invoke it.
* module/srfi/srfi-16.mes: New file.
* scaffold/boot/00-zero.scm: New file.
* scaffold/boot/01-true.scm: New file.
* scaffold/boot/02-symbol.scm: New file.
* scaffold/boot/03-string.scm: New file.
* scaffold/boot/04-cons.scm: New file.
* scaffold/boot/04-quote.scm: New file.
* scaffold/boot/05-list.scm: New file.
* scaffold/boot/06-tick.scm: New file.
* scaffold/boot/07-if.scm: New file.
* scaffold/boot/08-if-if.scm: New file.
* scaffold/boot/10-cons.scm: New file.
* scaffold/boot/11-list.scm: New file.
* scaffold/boot/12-car.scm: New file.
* scaffold/boot/13-cdr.scm: New file.
* scaffold/boot/14-exit.scm: New file.
* scaffold/boot/15-display.scm: New file.
* scaffold/boot/16-if-eq-quote.scm: New file.
* scaffold/boot/20-define-quote.scm: New file.
* scaffold/boot/20-define-quoted.scm: New file.
* scaffold/boot/20-define.scm: New file.
* scaffold/boot/21-define-procedure.scm: New file.
* scaffold/boot/22-define-procedure-2.scm: New file.
* scaffold/boot/23-begin.scm: New file.
* scaffold/boot/24-begin-define.scm: New file.
* scaffold/boot/25-begin-define-2.scm: New file.
* scaffold/boot/26-begin-define-later.scm: New file.
* scaffold/boot/26-define-define.scm: New file.
* scaffold/boot/27-lambda-define.scm: New file.
* scaffold/boot/28-define-define.scm: New file.
* scaffold/boot/29-lambda-define.scm: New file.
* scaffold/boot/2a-lambda-lambda.scm: New file.
* scaffold/boot/2b-define-lambda.scm: New file.
* scaffold/boot/2c-define-lambda-recurse.scm: New file.
* scaffold/boot/2d-define-lambda-set.scm: New file.
* scaffold/boot/2e-define-second.scm: New file.
* scaffold/boot/30-capture.scm: New file.
* scaffold/boot/31-capture-define.scm: New file.
* scaffold/boot/32-capture-modify-close.scm: New file.
* scaffold/boot/33-procedure-override-close.scm: New file.
* scaffold/boot/34-cdr-override-close.scm: New file.
* scaffold/boot/35-closure-modify.scm: New file.
* scaffold/boot/36-closure-override.scm: New file.
* scaffold/boot/37-closure-lambda.scm: New file.
* scaffold/boot/38-simple-format.scm: New file.
* scaffold/boot/40-define-macro.scm: New file.
* scaffold/boot/41-when.scm: New file.
* scaffold/boot/42-if-when.scm: New file.
* scaffold/boot/43-or.scm: New file.
* scaffold/boot/44-or-if.scm: New file.
* scaffold/boot/45-pass-if.scm: New file.
* scaffold/boot/46-report.scm: New file.
* scaffold/boot/47-pass-if-eq.scm: New file.
* scaffold/boot/48-let.scm: New file.
* scaffold/boot/49-macro-override.scm: New file.
* scaffold/boot/4a-define-macro-define-macro.scm: New file.
* scaffold/boot/4b-define-macro-define.scm: New file.
* scaffold/boot/4c-quasiquote.scm: New file.
* scaffold/boot/50-primitive-load.scm: New file.
* scaffold/boot/51-module.scm: New file.
* scaffold/boot/52-define-module.scm: New file.
* scaffold/boot/53-closure-display.scm: New file.
* scaffold/boot/60-let-syntax.scm: New file.
* scaffold/boot/closure.scm: New file.
* scaffold/boot/compose.scm: New file.
* scaffold/boot/data/bar.mes: New file.
* scaffold/boot/data/i.scm: New file.
* scaffold/boot/data/module.mes: New file.
* scaffold/boot/foo.scm: New file.
* scaffold/boot/lambda-star.scm: New file.
* scaffold/boot/vector.scm: New file.
* tests/boot.test: New file.
* tests/boot.test-guile: New file.
* tests/srfi-16.test: New file.
* tests/srfi-16.test-guile: New file.
* src/mes.c (load_env): Softcode loading of boot-0.scm from
environment variabl MES_BOOT.
* module/mes/boot-00.scm: New file.
* module/mes/boot-01.scm: New file.
* module/mes/boot-0.scm: Rename from read-0.mes.
* module/mes/module.mes: New file.
* module/mes/base-0.mes (cond): Evaluate test of COND only once.
Fixes cond tests with side effects (Nyacc).
* tests/base.test ("cond side effect"): Test it.
* module/mes/display.mes (display):
* module/mes/type-0.mes (char?): -1 is not a character.
(eof-object?): New function.
* tests/base.test ("#<eof>"): Test it.
* module/mes/scm.mes (eof-object?): Remove.
(unread-char): Return character (WAS: integer).
