Trigraphs (was Re: Uninitialized externals and statics)

[Doug Gwyn]

In article <3776 at mentor.cc.purdue.edu> acu at mentor.cc.purdue.edu (Floyd McWilliams) writes:
>They only needed 8 or 9 distinct trigraphs, and "!" is one of the
>two characters I can think of that have any meaning after "??". 

The only meaning I've ever seen that was considered correct usage is in
chess notation.

I think ??! was chosen as being more mnemonic than other alternatives.