* lib/autoconf/status.m4 (_AC_SED_CMD_LIMIT): The limit for

* lib/autoconf/status.m4 (_AC_SED_CMD_LIMIT): The limit for
HP-UX sed is 99 commands, not 100.
(_AC_OUTPUT_FILES_PREPARE): Do not count the `}' of an
_AC_SUBST_FILES fragment.  Separate `{' and `r' commands by
newline for portability.
* tests/torture.at (Torturing config.status): Also test 100
AC_SUBST_FILE invocations.  Fix test to actually verify the
AC_CONFIG_FILES output.
* doc/autoconf.texi (Limitations of Usual Tools): Document HP-UX
command, label, and read-file `r' limits.  Unify HP-UX spelling.