[NTG-context] Converting from LaTeX for PDF accessibility tagging?

Alasdair McAndrew amca01 at gmail.com
Mon Jun 29 02:32:12 CEST 2020

Thank you very much - I think the problem was with a LaTeX "align"
environment which pandoc translated into a setting which  ConTeXt didn't
recognize.  These equations were monsters, so I'll try with simpler
equations to give you an idea.  But in fact what you say makes perfect
sense, and I'll go back and read through the mathematics document again,
and more closely this time!

(For matrices and arrays I still prefer the neat LaTeX implementation, but
maybe that's simply my general unfamiliarity with ConTeXt.)  Thanks again!


On Mon, Jun 29, 2020 at 2:27 AM Aditya Mahajan <adityam at umich.edu> wrote:

> On Sun, 28 Jun 2020, Alasdair McAndrew wrote:
> > I tried ConTeXt a few years ago, then gave up on it because of its
> > wordiness and verbosity.  The 2006 article on creating AMSTeX output in
> > ConTeXt at https://www.ntg.nl/maps/34/06.pdf shows exactly what I mean:
> the
> > LaTeX commands are small and neat; the ConTeXt commands are not.
> As explained in the last paragraph, there are pre-built shortcuts for the
> main alignments and you can define your own to match amsmath style, if you
> wish.
> If you are worried about typing, look into tab completion for your editor
> of choice. For example, in vim, I can do `for<Tab>` which expands to
> `\startformula ... \stopformula` and `fora<Tab>` expands to `\startformula
> \startalign ... \stopalign \stopformula`.
> > However, I need now to use ConTeXt for accessibility tagging, so I'm
> > prepared to give it another try.  And this means converting some LaTeX
> > documents into ConTeXt.  Is there a better way than using pandoc?  I ran
> a
> > LaTeX document through pandoc, but the result is certainly not fully
> > "ConTeXt compliant", and generates errors instead of compiling.
> AFAIK, pandoc is not aware of context math. When I convert latex to
> context, I find it simpler to do it some hand written regex which translate
> commands according to my writing style.
> > I can get easily lost on the ConTeXt site: the documentation is there in
> > plenty, but seems hard to search.  The main problem for me is mathematics
> > and alignment: not just for equations, but for matrices and arrays.  What
> > I'd love - if it exists - is a document showing how to rewrite LaTeX into
> > ConTeXt.  Something like the above document, which is now 14 years old.
> The user-interface is still the same.
> > Anyway, as I say, my main issues are converting LaTeX into ConTeXt. and
> > dealing with mathematics.  Any pointers would be gratefully received!
> Can you post an example of LaTeX math that you are having difficulty in
> converting? It is hard to answer this in the abstract.
> Aditya
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