This is purely so that perlapi will be accurate in this regard.
AnpdD |STRLEN |is_utf8_char |NN const U8 *s
Anpd |STRLEN |is_utf8_char_buf|NN const U8 *buf|NN const U8 *buf_end
Anpd |bool |is_utf8_string |NN const U8 *s|STRLEN len
-Anpdmb |bool |is_utf8_string_loc|NN const U8 *s|STRLEN len|NULLOK const U8 **p
+Anpdmb |bool |is_utf8_string_loc|NN const U8 *s|STRLEN len|NULLOK const U8 **ep
Anpd |bool |is_utf8_string_loclen|NN const U8 *s|STRLEN len|NULLOK const U8 **ep|NULLOK STRLEN *el
ApR |bool |is_utf8_alnum |NN const U8 *p
ApR |bool |is_utf8_idfirst|NN const U8 *p
#define PERL_ARGS_ASSERT_IS_UTF8_STRING \
assert(s)
-/* PERL_CALLCONV bool Perl_is_utf8_string_loc(const U8 *s, STRLEN len, const U8 **p)
+/* PERL_CALLCONV bool Perl_is_utf8_string_loc(const U8 *s, STRLEN len, const U8 **ep)
__attribute__nonnull__(1); */
#define PERL_ARGS_ASSERT_IS_UTF8_STRING_LOC \
assert(s)