inconsistently used both to describe mixedCase and MixedCase.
MixedCase should really be CapWords, reserving mixedCase for the
situation where the first letter is lowercased.
Also, add a comment that MixedCase is sometimes called CamelCase.
Note that the existing most common case usage is that CamelCase has an
initial capitalized letter.
http://www.wikipedia.com/wiki/CamelCase
Guido van Rossum
Barry Warsaw