Dance couple name

Some dance couples put the man's name first other the woman's name.

For convinience of the reader in listings this may be harmonized.

2007-02-06 discussion on tango-l:

• http://mailman.mit.edu/pipermail/tango-l/2007-February/002812.html

naming order

• men first
• lady first
• alphabtic
• the way they promote themselves

for listings

• list them twice
• provide different listings, with all the above orders