The section labels C<TYPEMAP>, C<INPUT>, or C<OUTPUT> must begin
in the first column on a line by themselves, and must be in uppercase.
-The default typemap in the C<lib/ExtUtils> directory of the Perl source
+The default typemap in the F<lib/ExtUtils> directory of the Perl source
contains many useful types which can be used by Perl extensions. Some
extensions define additional typemaps which they keep in their own directory.
These additional typemaps may reference INPUT and OUTPUT maps in the main
It I<must> be called exactly once, typically in a BOOT: section. If you
are maintaining multiple interpreters, it should be called once in each
interpreter instance, except for interpreters cloned from existing ones.
-(But see C<MY_CXT_CLONE> below.)
+(But see L<MY_CXT_CLONE> below.)
=item dMY_CXT