issue with environment and Lua

issue with environment and Lua

[Pablo Rodriguez]

Dear list,

I have added an \xmlflushcontext to a non-minimal environment file and
it crashes again and again.

I get the following errors:

lua error       > lua error on line 8 in file cont-yes.mkiv:
function call [560]:
...ext/tex/texmf-context/tex/context/base/mkiv/lxml-tex.lua:918: bad
argument #2 to 'lpegmatch' (string expected, got table)
<empty file>
mtx-context     | fatal error: return code: 256

Is there any way to be able to know which XML code outputs a table
instead of the string ConTeXt expects and complaints about?

I already spent three hours and I got nothing.

In cases like that, it would be useful that ConTeXt could translate XML
+ environments to ConTeXt sources.

This would make easier to spot errors on documents or issues in ConTeXt.

Many thanks for your help,

Pablo
--
http://www.ousia.tk
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Re: issue with environment and Lua

[Hans Hagen]

On 5/26/2020 8:24 PM, Pablo Rodriguez wrote:

> I have added an \xmlflushcontext to a non-minimal environment file and
> it crashes again and again.

then you probably use the wrong command

> I get the following errors:
> 
> lua error       > lua error on line 8 in file cont-yes.mkiv:
> function call [560]:
> ...ext/tex/texmf-context/tex/context/base/mkiv/lxml-tex.lua:918: bad
> argument #2 to 'lpegmatch' (string expected, got table)
> <empty file>
> mtx-context     | fatal error: return code: 256
> 
> Is there any way to be able to know which XML code outputs a table
> instead of the string ConTeXt expects and complaints about?

hard to say as in xml there can be strings as well as tables so it all 
depends on what you do .. normally ther eis checking but not for cases 
where we're sure wat to expect (no need for overhead)

> I already spent three hours and I got nothing.
> 
> In cases like that, it would be useful that ConTeXt could translate XML
> + environments to ConTeXt sources.

\enabletrackers[context*]

in the xml setups that you use, something \xmlshow{#1} will give you a 
clue of what you're dealing with

Hans

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                                           Hans Hagen | PRAGMA ADE
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Re: issue with environment and Lua

[Pablo Rodriguez]

On 5/26/20 9:01 PM, Hans Hagen wrote:
> On 5/26/2020 8:24 PM, Pablo Rodriguez wrote:
>
>> I have added an \xmlflushcontext to a non-minimal environment file and
>> it crashes again and again.
>
> then you probably use the wrong command

Many thanks for your reply, Hans.

I have just discovered that I get different HTML math output in pandoc.

From these inputs in the same source file:

 1 $I = V × D$

 2 $\top{v_e} \approx \top{v}_t$

I get these HTML outputs:

 1 <span class="math inline"><em>I</em> = <em>D</em> × <em>V</em></span>

 2 <span class="math inline">$\bar{v}_e \approx \bar{v}_t $</span>

The first one is problematic to get with \xmlflushcontext. This was the
problem and I have to check this with the pandoc people.

Sorry for the noise and many thanks for your help,

Pablo
--
http://www.ousia.tk
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