in src/main/csharp/Selector/SelectorParser.cs [650:661]
private bool mcc_3R_53() {
if (mcc_scan_token(IN)) return true;
if (mcc_scan_token(34)) return true;
if (mcc_3R_36()) return true;
Token xsp;
while (true) {
xsp = mcc_scanpos;
if (mcc_3R_58()) { mcc_scanpos = xsp; break; }
}
if (mcc_scan_token(36)) return true;
return false;
}