Rework the html output for mkd_flags_are to use <s>strikethrough</s> on options that are logically OFF.
Rework the html output for mkd_flags_are to use <s>strikethrough</s> on options that are logically OFF.

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