Remove a sentence about wrapping macro definitions in bare braces, which became wrong after using do { } while (0) became recommended. Move the definition of what braces are to their new first occurrence.
Remove a sentence about wrapping macro definitions in bare braces,
which became wrong after using do { } while (0) became recommended.
Move the definition of what braces are to their new first occurrence.

Reviewed by:	bde

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase