Hello.
Oddly enough, wiki seems to attract at least a few people quite close to my taste: keen on mathematics (and especially abstract algebra), linguistics (and especially syntax), and speaking French (but I cheat, this is my mothertongue), German, ...
A list: JoshuaGrosse, OprgaG
A few formatting examples and tests
[www.seqfan.net]
'a'
b
c
'd'
A
A
NoWiKI
"a"
""a""