mailing-list for TeXmacs Users

[Frank <address@hidden>]

Hi Joris,

> We might make the cursor position just after the sum sign inaccessible
> in the presence of scripts.  Still, this might be a bit tricky.

I would like to point out that, although the position right after \bigwedge 
is accessible, it seems less inconvenient than \sum since one does not access 
this position after inputting → at the superscript. Seemingly \sum is not 
quite different from \bigwedge?

Best,
Frank

On 6/30/21, TeXmacs wrote:
> On Sun, Jun 27, 2021 at 09:59:23AM +0200, Pierre-Henri Jondot wrote:
> > - I use left exponent a lot with the transpose symbol for matrices. I would 
> > have supposed it to work like this :
> > hit the matrix name, say A, then Ctrl-L ^, then the symbol such as t for the 
> > transposition. Instead, I get the exponent to the right of A when I proceed 
> > like this. Second try : I enter the name of the matrix, then selects it with 
> > shift-left, then hit ctrl-L ^ and A gets transformed into a left exponent. So 
> > I learned that instead you put the left exponent, then the matrix and 
> > everything is good. Actually I encoutered a situation when going out of the 
> > exponent put me out of formula editing, but I can't reproduce it. If I 
> > encounter it again, I'll post here.
>
> Hmm, maybe the interface could be somewhat improved (especially when a 
> selection is active).
> Anyway, the idea is to insert your script before your matrix in that case.
>
> You may actually wish to define a macro for transposition.
> I personally don't like the French left script convention very much and
> prefer to use the 'top' symbol as a right superscript.
>
> > - when writing a big sum with indices directly under and over, which is automatic when 
> > big centered formulas, it is a bit weird to have to hit twice the right key for the 
> > focus to go back to "normal" or maybe I should say that what is weird is what 
> > happens if you don't ! Not a big issue of course, the cursor being a good hint of what 
> > the focus is, but still something uncanny for newcomers when you go from :
>
> We might make the cursor position just after the sum sign inaccessible
> in the presence of scripts.  Still, this might be a bit tricky.
>
> > - Something I didn't understand, but by writing this mail and experimenting 
> > at the same time, I think I just did... Sometimes I want to write the product 
> > |x| |y| with no multiplication symbol, just the space that TeXmacs puts 
> > automatically by hitting * with no alternate version. In that case, TeXmacs 
> > only enters the left part of the absolute part when I hit the | symbol, 
> > whereas usually it gives me both. I am pretty sure now it is by design, as it 
> > allows to obtain quickly the semidirect product symbol as an alternate, which 
> > makes sense, but still something to get accustomed to.
>
> You are right that we might have to disable "* |" as a shortcut.
> It is more of a nuisance.  I did my first commit since version 2.1
> to fix this.
>
> Best wishes, --Joris