JEP 223: New Version-String Scheme

[Iris Clark]

Hi, Martijn.

Thanks for taking the time to read the JEP.  Great to hear that you view the
move to Semantic Versioning favorably.

> Is there a possibility of using a 4th to indicate security separately from
> what people will likely assume is strictly the patch level? e.g. 9.0.3.10 

The JEP has been carefully written to allow for the possibility of using any
number of digits after $SECURITY for further version identification.

Regards,
iris