Re: how to clear computed values

[Cecil Westerhof <CecilWesterhof@xs4all.nl>]

Op wo, 11-07-2007 te 10:49 +0200, schreef Carsten Dominik:
> On Jul 11, 2007, at 10:26, Cecil Westerhof wrote:
> > In this example the first two digits of kmstand where not input at row 
> > 3
> > and you get a message. But you get also a message at the first row. Is
> > it possible to circumvent this?
> 
> For example by leaving an empty row before the first data line.

That works. I hoped that it was possible to see you are on the first
line after a hline, but this is good enough.


> > Is it possible to define functions in an org-file? For example: it 
> > would
> > be nice to have more extensive checking on the values. Also the nz 
> > could
> > be defined. It is in my .emacs now, but when I transfer the file to
> > another computer, there is a risk that it doe not work anymore.
> 
> You can, by inserting something like
> 
>       # Local Variables:
>       # eval: (defun nz (n) (not (= 0 n)))
>       # eval: (defun nw (s) (string-match "\\S-" s))
>       # End:
> 
> Check the variable `enable-local-eval', and beware that setting it to t
> could be exploited to execute unwanted code in a file you get
> from someone.
> 
> One problem would be that function definitions
> are not buffer-local, so the same functions would be defined for all
> buffers.  If you use functions with the same name, but different
> definitions in different files, the result would depend on the order
> of visiting the files.

Better not then I think.


> > It would be nice if I did input kmstand that with tab you go to 
> > prijs/l.
> > (Skipping fields with formula's.) And when giving tab on the field
> > liters going to the field kmstand. Is that something that could be 
> > made?
> 
> I don't think this is necessary, and no spreadsheet behaves like this.
> Just press TAB a few times.

Cetrainly not. Just nice to have. Maybe something to try myself to
build.

-- 
Cecil Westerhof <CecilWesterhof@xs4all.nl>