- update to 20221106:
* test/run_test.sh: use context diff, to work with AIX
* defs.h:
fprintf_lineno might be passed a null, when reading from stdin - show "(null)"
* makefile.in, test/run_make.sh, test/run_test.sh, test/run_lint.sh:
fgrep-fixes
* yacc.1: mention use of stderr/stdout for usage/debugging
* yacc.1: document %empty
* yacc.1: document %debug
* yacc.1: minor fixes with check-manpage
OBS-URL: https://build.opensuse.org/request/show/1039858
OBS-URL: https://build.opensuse.org/package/show/devel:tools:compiler/byacc?expand=0&rev=44
