File extensions - final posting

[Henry Spencer]

Yet another convention, seen in some obscure places in the Unix sources:
a file named, e.g., "foo..c" is a header file written in C.  That is, to
distinguish a header file from a normal source file, use a double dot.
Could be useful in a multilingual environment.
-- 
				Henry Spencer @ U of Toronto Zoology
				{allegra,ihnp4,decvax,pyramid}!utzoo!henry