@acindex{LANG_PROGRAM}
Expands into a source file which consists of the @var{prologue}, and
then @var{body} as body of the main function (e.g., @code{main} in
-C). Since it uses @code{AC_LANG_SOURCE}, the feature of the latter are
+C). Since it uses @code{AC_LANG_SOURCE}, the features of the latter are
available.
@end defmac
@acindex{LANG_FUNC_LINK_TRY}
Expands into a source file which uses the @var{function} in the body of
the main function (e.g., @code{main} in C). Since it uses
-@code{AC_LANG_PROGRAM}, the feature of the latter are available.
+@code{AC_LANG_PROGRAM}, the features of the latter are available.
As @code{AC_LANG_CALL}, this macro is documented only for completeness.
It is considered to be severely broken, and in the future will be