Re: Touchup of history.c

[Petr M. <mi...@ph...>]

> > > I think you can use simply
> > >   if (isanumber(c_token)) {
> > > 	act on integer
> > >   }
> 
> Unfortunately not.
> "isanumber" is mis-named. It really acts as "isapositivenumber".
> The reason is that the tokensiser places the - sign into its
> own separate token.  So isanumber(c_token) sees only the '-' sign,
> no number.
> 
> This has annoyed me many times, but never sufficiently to
> replace isanumber() with something better.

Does this mean that it is not possible to add a function "isaninteger()" 
that woul work for negative numbers as well?

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PM