On Thu, Sep 24, 2009 at 11:20:13AM -0300, TC wrote:
> What if instead of modifying the reader itself, a reader macro is implemented?
> If '.' is between numbers, fine, if one of the chars next to it is not a
> number, split.
In that sense, ' . ' is already some kind of reader macro (more "real"
reader macros are '`' and '~').
If we check only the neighboring characters, the rule gets even more
complicated, as 'abc3.4def' is a symbol and not a number.