Describe more markdown feature flags.
Describe more markdown feature flags.

gm2bv/discount,davidfstr/discount,binki/discount,davidfstr/discount,gm2bv/discount,binki/discount,davidfstr/discount,binki/discount,binki/discount,OliverLetterer/discount,OliverLetterer/discount,gm2bv/discount,gm2bv/discount,davidfstr/discount,OliverLetterer/discount,binki/discount