Object Not Callable, float?

[Nobody]

On Mon, 30 Nov 2009 01:07:53 -0500, Mel wrote:

> In FORTRAN and PL/I words were un-reserved to a degree that's really 
> bizarre.  A short post can't begin to do it justice -- let's just mention 
> that IF and THEN could be variable names, and DO 100 I=1.10 .  The syntaxes 
> were carefully crafted so that context completely determined whether a 
> symbol would be taken in a reserved sense or a programmer-defined sense, so 
> any possibility for conflict was a syntax error.

And then Lisp and Tcl just don't have reserved words. Many symbols are
pre-defined, but you're free to re-define them (Lisp won't let you use
'quote' as a function name, but you can still use it as a variable name).