PERL_CALLCONV PERL_SI* Perl_new_stackinfo(pTHX_ I32 stitems, I32 cxitems);
PERL_CALLCONV char* Perl_scan_vstring(pTHX_ char *vstr, SV *sv);
-PERL_CALLCONV char* Perl_scan_version(pTHX_ char *vstr, SV *sv);
+PERL_CALLCONV char* Perl_scan_version(pTHX_ char *vstr, SV *sv, bool qv);
PERL_CALLCONV SV* Perl_new_version(pTHX_ SV *ver);
PERL_CALLCONV SV* Perl_upg_version(pTHX_ SV *ver);
PERL_CALLCONV SV* Perl_vnumify(pTHX_ SV *vs);