Log Message:
update to 1.6a
changes:
-Removed the -html20 and -html32 options, the -html output is now
 version 4.01
-Removed the -latex209 and -latex2e options, the -latex output is
 version 2e
-HTML option generates a cxref stylesheet and uses it
-fixes/cleanup
-Parsing improvements: support some more language features