One minor nit:

Orin Eman wrote:
> My C version using the previously discussed stop bit scheme:
> 
> void
> SendMorseChar(char c)
> {
> #ifdef DEBUG
> ASSERT(c);  // For the truly paranoid
> #endif

Usually this is redundant, because ASSERT is defined something like this:

#ifdef DEBUG
#define ASSERT(b)  if (!b) { complain(); }
#else
#define ASSERT(b)
#endif

So you don't need the extra #ifdef around the ASSERT call.

On the other hand, some systems use the presence of NDEBUG to turn off 
ASSERT, instead of the absence of DEBUG.  One or the other convention 
helps avoid clutter.
-- 
Timothy J. Weber
http://timothyweber.org
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