preprocessors.
@end defmac
-Here is now to find out whether a header file contains a particular
+Here is how to find out whether a header file contains a particular
declaration, such as a typedef, a structure, a structure member, or a
function. Use @code{AC_EGREP_HEADER} instead of running @code{grep}
directly on the header file; on some systems the symbol might be defined
preprocessors.
@end defmac
-Here is now to find out whether a header file contains a particular
+Here is how to find out whether a header file contains a particular
declaration, such as a typedef, a structure, a structure member, or a
function. Use @code{AC_EGREP_HEADER} instead of running @code{grep}
directly on the header file; on some systems the symbol might be defined