I can't find a good definition anywhere...

[Doug Gwyn]

In article <14327 at bfmny0.UUCP> tneff at bfmny0.UUCP (Tom Neff) writes:
>Every implementation I have encountered where #pragma is supported has at
>least one way you can use it to do something non-ANSI.

You don't need #pragma for your code to be non-conformant.
The important thing is that *conformant* code following the
occurrence of #pragma be interpreted by the implementation
according to the ANSI specs.