[luatex] [ANN] Not exactly a preprocessor: Dednat6

[luigi scarso]

On Tue, Sep 8, 2015 at 5:21 AM, Eduardo Ochs <eduardoochs at gmail.com> wrote:

> Hi all,
>
> the documentation still lacks a lot, but the main ideas should be
> clear, and the thing is easy to install and test... so here goes the
> announcement:
>
>   Dednat6: a preprocessor (well, not exactly) for drawing diagrams and
>   derivation trees from their 2D representations
>
> Dednat6's home page is here:
>
>   http://angg.twu.net/dednat6.html
>
> Here are links to some tests/demos, both source and output:
>
>   http://angg.twu.net/dednat6/tests/0.pdf
>   http://angg.twu.net/dednat6/tests/0.tex.html
>   http://angg.twu.net/dednat6/tests/2.pdf
>   http://angg.twu.net/dednat6/tests/2.tex.html
>   http://angg.twu.net/dednat6/tests/3.pdf
>   http://angg.twu.net/dednat6/tests/3.tex.html
>
>
>
> Let me copy here one section of the documentation - one that may be
> especially interesting to the people here, but that will be considered
> too technical and esoteric in other mailing lists.
>
>   7. LuaTeX
>   =========
>
>   Dednat6 uses very little of LuaTeX at the moment - essentially just
>   tex.jobname, tex.inputlineno, tex.print from the Lua side, and
>   \directlua from TeX.
>
>   The following hacks were needed. 1) dednat6.lua loads this to make
>   require behave like the require from Lua. 2) Dednat6's output function
>   runs deletecomments to filter out comments before sending code to
>   tex.print. 3) I had to use a
>
>     \catcode`\^^J=10
>
>   in the demos - 0.tex, 2.tex, 3.tex - to avoid having newlines become
>   spurious "Omega"s.
>
>   My guess is that (2) and (3) are needed because tex.print and \input
>   use different catcode tables. At one point I tried to check the
>   details of this using this script to run Rob Hoelz's lua-repl from
>   LuaLaTeX, but at some point I gave up.
>
>   One of the items in my to-do list is to make it easy to load and run
>   lua-repl from dednat6.
>
>   (Copied from: http://angg.twu.net/dednat6.html#luatex )
>
>
>
> Cheers! All feedback welcome! =)
>   Eduardo Ochs
>   eduardoochs at gmail.com
>   http://angg.twu.net/
>
>
Thank you for the the nice links. I will (slowly) looking at them.

-- 
luigi
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