Bikini includes a SmartyPants processor to beautify content typography. Python port of SmartyPants has a number of processing options. Currently Bikini uses these settings:
SmartyPants is turned off by default, since it may introduce unexpected results in certain cases. To turn it on change the configuration.py like this:
USE_SMARTYPANTS = True
More information about SmartyPants can be found on the page for the original Perl version by John Gruber.