What's the meaning of the lines in the file `langdef'

[Zhongtao Zhu]

Can someone, please, explain the two lines as follows:

        langdef English { english . : ! ? .) ?) !) .' !' ?' }

        langdef French Francais "Fran\347ais"{ french       }

-- 
Zhongtao Zhu                          Tel: +86 10 6278 2266
Department of Computer, Tsinghua University, Beijing, China