TR library extensions

[Gabriel Dos Reis]

Pétur Runólfsson <peturr02@ru.is> writes:

| > | Also users may define macros with names that conflict with the new
| > | components.
| > 
| > C++ programmers that rely on macros know that sonner or latter, their
| > programs will break (tm).
| 
| I don't recall many useful programs that don't rely on macros.

Not just because they might appear useful means they won't break
sooner or latter.

-- Gaby