This namespace contains constants used by the class OEProton::OETautomerOptions to store the level of carbon hybridization.
If carbon hybridization is set, then extensive carbon hybridization will take place.
If carbon hybridization is set, then only localized carbon hybridzation will take place, allowing generation of keto-enol tautomers without generating as many extreme tautomers as the default parameter.
Note this is a beta flag under current development.
The default value is the Original hybridization level.