Re: exist, configure, doc2tex and \index

[<br...@ph...>]

Petr Mikulik wrote:
> Few minor things:
> 
> 1. In ./configure, shouldn't strings "(EXPERIMENTAL)" be removed now? Won't 
> be "nice" for 4.2.

It would be even less nice to lie about the maturity of those options. 
Yes, those features are experimental, and they should be marked as such.

> 2. Gnuplot supports both exists('a') and exist('a'), but documents only one 
> of them. As it was me who made this confusion, I would propose to keep only 
> exist('a').

This would have been a much better idea a couple of weeks ago than it is 
now.  I'm afraid I have to object to changing the syntax this shortly 
before the release.

> 3. doc2tex.c produces the following in the .tex file:
> 
> (see {\bf start-up (p.~\pageref{start-up})\index{up}}) and, of course,
>  	by later explicit changes.
> see {\bf mouse variables (p.~\pageref{mouse variables})\index{variables}}
>  	for details.
> See {\bf fit error\_estimates (p.~\pageref{fit error_estimates})\index{estimates}}.
> 
> as you see, there appears "up" keyword in the index, and similar. See the 
> code in doc2tex.c, below line:
>  	/* Make the final word an index entry also */
> I propose to keep the whole word including "-" and "_".

OK for '-', but '_' may need closer inspections.  People have abused '_' 
to tweak multi-word index entries and help nodes in somewhat random ways 
for a while now.  I really don't think we need stuff like plot_datafile 
as an index entry.