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#    else
#      define D_PPP_TO_UPPER_CALLEE(s,r,l)    to_utf8_upper(s,r,l)
#    endif
#    if defined toFOLD_utf8
#      define D_PPP_TO_FOLD_CALLEE(s,r,l)     toFOLD_utf8(s,r,l)
#    else
#      define D_PPP_TO_FOLD_CALLEE(s,r,l)     to_utf8_fold(s,r,l)
#    endif
#  else     /* Below is 5.15.6, which failed to make the macros available
#              outside of core, so we have to use the 'Perl_' form.  khw
#              decided it was easier to just handle this case than have to
#              document the exception, and make an exception in the tests below
#              */
#    define D_PPP_TO_LOWER_CALLEE(s,r,l)                                    \
                        Perl__to_utf8_lower_flags(aTHX_ s, r, l, 0, NULL)
#    define D_PPP_TO_TITLE_CALLEE(s,r,l)                                    \
                        Perl__to_utf8_title_flags(aTHX_ s, r, l, 0, NULL)
#    define D_PPP_TO_UPPER_CALLEE(s,r,l)                                    \
                        Perl__to_utf8_upper_flags(aTHX_ s, r, l, 0, NULL)
#    define D_PPP_TO_FOLD_CALLEE(s,r,l)                                     \
            Perl__to_utf8_fold_flags(aTHX_ s, r, l, FOLD_FLAGS_FULL, NULL)