Perl_sv_catpvf(aTHX_ t, "%s)", pv_display(tmp, SvPVX_const(sv), SvCUR(sv), SvLEN(sv), 127));
if (SvUTF8(sv))
Perl_sv_catpvf(aTHX_ t, " [UTF8 \"%s\"]",
Perl_sv_catpvf(aTHX_ t, "%s)", pv_display(tmp, SvPVX_const(sv), SvCUR(sv), SvLEN(sv), 127));
if (SvUTF8(sv))
Perl_sv_catpvf(aTHX_ t, " [UTF8 \"%s\"]",