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David Jones wrote:
> 
> Why do you append an underscore to macro parameter names?  There are no
> unexpected pollution problems.  The body of the macro, which appears
> immediately after the first space, is the only place where these names
> have any meaning.

I picked up this habit because things sometimes get a little more
systematic when I write stuff like

struct { int v; } s;
#define INIT(v_) s.v = v_

When writing macros with side effects, this has reduced the required
amount of naming creativity greatly. Other than that, it's just a
convention like always 'uppercasing' macro names, capitalizing types
andclasses, and lowercasing variables and function names.

#define MACRO(i) function(i)

Dolfi