Two suggestions to improve Cantor's worksheet.

Alexander Rieder alexanderrieder at
Fri Oct 30 14:11:51 UTC 2015

On Mon, Oct 26, 2015 at 9:27 PM, Alexander Semke <Alexander.Semke at> wrote:
>> I'm not sure what you mean by this. You can already insert new
>> expressions by using the context menu. (there are items for insert
>> before this expression and insert after).
>> Is this not sufficient for your use, or just not intuitive?
> It's not flexible and fast enough. It's much easier to click between
> expressions to produce a new one then to go via the context menu. In text
> processing you don't go via the context menu if you want to add new letters
> between already existing letters  - you just click in the text and start
> typing at the place where you want to add new text. Similar for CAS, you click
> between two expressions, you set your cursor so to say, and then a new field
> for expression is produced when you start typing.
> In this screenshot you can see the horizontal line between two expressions.
> Such a line indicates where your "expression cursor" currently is. If you
> start typing, a new input will be produced at this place:
> Similarly it is solved in wxMaxima, too.
>> Cantor currently offers the possibility of inserting items with rich
>> text formatting. We do not offer any formatting
>> options in the command entries itself, mostly in order to not
>> interfere with the automatic syntax highlighting there.
>> Do people really need formatting in the commands/results they produce,
>> or is it sufficient if they can write annotated text in between
>> different commands?
> Yes, they do. Sometimes you want to annotate some important steps in the
> calculation by just coloring the corresponding block. Or you work with colors
> and different font sizes to separate different regions in a longer
> calculation, etc. Actually, the internal documentation of mathematica consists
> of many read-only notebooks (workbook in Cantor's speech) where one can see a
> lot of different formatting and grouping features that allow to produce such a
> documentation. All those features are available to the user in the notebook,
> too. Here is notebook with some basic formatting

I see. I guess my personal use cases are not that representative :-) .
These things shouldn't be too hard to implement.
Unfortunately I'm quite short on time these days, but if anyone wants
to try to implement these things (Filipe? *wink* *wink*),
it would be nice to have.

best regards,

> --
> Alexander
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