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Hi Vincent,

One trick that you may wish to use to produce diagonal arrows
is to turn a long arrow by 45 or -45 degrees.
Arrows of arbitrary lengths can be obtained by entering them
directly as symbols.  Using the Emacs-look and feel,
this is done as follows:

    C-q rubber-rightarrow-25 return

Next, you may select this arrow and use

    Format -> Transform -> Rotate

I would then put the result inside a macro and
create a keyboard shortcut for it.

Best wishes, --Joris


On Wed, Dec 01, 2021 at 11:59:13PM +0100, vincent douce wrote:
> hi all
> as i need all the day to create such tables
> i have found this model
> lines with fix-horizontal-width tables
> ideed it is very simple
> 
> now, my aim would be to create it by code, so that i can put a shortcut in 
> my-init-texmacs to have it soon as i need it
> i want to say that i ask not that for my personal usage only
> my aim is, when i have endly what i want, to share it with french 
> highschool maths teachers on the forums where i am
> and the way to share it will be so send them my file my-init-texmacs
> i could also spend time to learn how to do the code it but i am absolutely 
> not intersted in i confess
> if for colleagues among you it can be a bit not toomuchtime, that can be 
> wonderful, as for many shortcuts i receive on this forum since months
> 
> the explanations are in the tm file :
> - one centered table with three lines containing each, say, 5 
> fix-horizontal-width tables (say, 1.3cm)
> - indeed, that's all



> 
> 
> i really wonder why i have not found this solution before…
> 
> picture of the result :


> 
> 
> thanks for your attention !
> 
> Vincent