6 character external identifiers

[Guido van Rossum]

>From: hansen at pegasus.UUCP (Tony L. Hansen)
>
>I don't recall in Henry Spencer's summary any mention on the significant
>character limits on the C preprocessor. Will that remain at the old limit of
>8 characters, will it be extended as well to 31 characters, or will it go to
>an infinite limit as currently allowed by the BSD and S5r2 flexnames
>implementation? 

Don't worry.  To quote from Henry Spencer's summary:

    1. Long identifiers. [...] Internal names (including pre-
	processor names) are now significant to 31 characters.