1998-12-28 Jeff Garzik <jgarzik@pobox.com>

1998-12-28  Jeff Garzik  <jgarzik@pobox.com>
	* autoconf.texi:
	  (AC_SEARCH_LIBS, AC_CHECK_FILE, AC_CHECK_FILES,
	   AC_TRY_LINK_FUNC): Document.
	  (AC_CHECK_LIB): Indicate the absence of
		action-if-not-found will not kill default action.
	  (AC_SYS_INTERPRETER): Alphabetize with rest of section,
		s/ac_cv_sys_interpreter/interpval/
	* acgeneral.m4:
	  (AC_TRY_LINK_FUNC): Fix arg transposition.
	  (AC_SEARCH_LIBS): Require autoconf 2.13, add other-libs arg,
		default action now similar to AC_CHECK_LIB, returns
		'searchval' shell var indicating which lib matched.
	  (AC_CHECK_FILES): Add underscore to HAVE_file define.
	* acspecific.m4:
	  (AC_SYS_INTERPRETER): New shell var 'interpval' stores
		internal var ac_cv_sys_interpreter.