byacc: update to 20230521.

2023-05-21  Thomas E. Dickey  <dickey@invisible-island.net>

	* VERSION, package/byacc.spec, package/debian/changelog,
	  package/mingw-byacc.spec, package/pkgsrc/Makefile:
	bump

	* configure: regen

	* aclocal.m4:
	updates for CF_INSTALL_MAN from reflex, which needs the symbolic link feature

	* aclocal.m4:
	improve install-man by adding sed commands for --program-transform-name

2023-05-19  Thomas E. Dickey  <dickey@invisible-island.net>

	* makefile.in: use CF_INSTALL_MAN

	* aclocal.m4:
	add CF_INSTALL_MAN, to begin refactoring install rule for manpage

	* configure: regen

	* configure.in: use CF_INSTALL_MAN

2023-05-18  Thomas E. Dickey  <dickey@invisible-island.net>

	* error.c, defs.h, reader.c:
	allow @1 or $@ with a warning if no %locations was given

2023-05-17  Thomas E. Dickey  <dickey@invisible-island.net>

	* reader.c: clear pointer in end_ainfo() after freeing it.

2023-05-16  Thomas E. Dickey  <dickey@invisible-island.net>

	* reader.c: report errors in %define as "unexpected value"

	* reader.c:
	add/use macros begin_ainfo() and end_ainfo() to reduce clutter

	* defs.h, error.c: add function unexpected_value()

	* reader.c:
	recognize bison's "%define api.pure" as an alternative to "%pure-parser"

	* reader.c:
	add %nterm as an alias for %type, since bison made that confusion.

	* reader.c:
	ensure that filler_buf and prefix_buf are initialized for the special case
	where they are empty (report by Martin Jansa, cf: 20230219)

	* output.c:
	make test-differences smaller when compiling with YY_NO_LEAKS by replacing
	a blank line with the generated #define rather than adding 3 lines.

	* reader.c: gcc-warnings

2023-05-15  Thomas E. Dickey  <dickey@invisible-island.net>

	* VERSION, package/byacc.spec, package/debian/changelog,
	  package/mingw-byacc.spec, package/pkgsrc/Makefile:
	bump

	* reader.c:
	when copying parameters, check for a case where the last token is not a
	name, e.g., "foo [1]" would have "[1]".  In this case, scan back to find
	the actual parameter name.

	* reader.c:
	correct a use-after-free in more_curly, which could occur if a %lex-param
	or %parse-param was multi-line (Redhat #2183006).

2023-05-11  Thomas E. Dickey  <dickey@invisible-island.net>

	* main.c: rename no_space() to on_error()

	* error.c: rename no_space() to no_error(), handling any errno

	* defs.h: rename no_space() to on_error()

2023-04-03  Thomas E. Dickey  <dickey@invisible-island.net>

	* aclocal.m4: resync with my-autoconf: CF_GCC_VERSION CF_XOPEN_SOURCE

2023-02-26  Thomas E. Dickey  <dickey@invisible-island.net>

	* mstring.c, reader.c: yak-indent

2023-02-26  mingodad

	* reader.c:
	patch for byacc #6: Segmentation fault when trying to parse bison-3.8.2 grammar

2023-02-26  Thomas E. Dickey  <dickey@invisible-island.net>

	* VERSION, package/byacc.spec, package/debian/changelog,
	  package/mingw-byacc.spec, package/pkgsrc/Makefile:
	bump

2023-02-20  Thomas E. Dickey  <dickey@invisible-island.net>

	* configure: regen

	* aclocal.m4: resync with my-autoconf


(fcambus)