Re: differences between the gnuplot binary and its help

[Ethan M. <merritt@u.washington.edu>]

On Tuesday 23 February 2010 02:45:54 Shigeharu TAKENO wrote:
> 4) Gnuplot help says as the following (section "variables"):
> 
>  Valid names are the same as in most programming languages: they must begin
>  with a letter, but subsequent characters may be letters, digits, "$", or "_".
> 
> However, we can not use the character "$" as the part of the
> variable name.

You are right.   I will make this correction in the documentation.

I wonder why or when this changed?
It must have been a long time ago.

This is interesting, because I think it means we could use $ as an
operator if necessary.
 
	Ethan