quoted atoms highlighted as errors in prolog

quoted atoms highlighted as errors in prolog

[Antonio Piccolboni]

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Hi

This simple example of prolog

```{.prolog}
afact("Fact").
```
gets converted into this html (please note the class="er" around "Fact", 
straight pandoc cmd with no options)

<div class="sourceCode" id="cb1"><pre class="sourceCode prolog"><code 
class="sourceCode prolog"><span id="cb1-1"><a href="#cb1-1" 
aria-hidden="true" tabindex="-1"></a>afact(<span 
class="ot">&quot;</span><span class="er">Fact</span><span 
class="ot">&quot;</span>)<span class="kw">.</span></span></code></pre></div>

and this latex (please note the ErrorTok{Fact})
\begin{Shaded}
\begin{Highlighting}[]
\NormalTok{afact(}\OtherTok{"}\ErrorTok{Fact}\OtherTok{"}\NormalTok{)}\KeywordTok{.}
\end{Highlighting}
\end{Shaded}

I am a complete Prolog noob, but that looks fine to me and SWI Prolog 
accepts it. Why is it marked as an error token? It results in a bold red 
font with pygments, quite eye-piercing. Thanks

Antonio

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Re: quoted atoms highlighted as errors in prolog

[John MacFarlane]

I don't know, but pandoc's highlighting is based on KDE syntax definitions.
So first step is to see if you get a similar result in the Kate editor.
If you do, the problem is with the prolog.xml definition we build on, and it
should be reported upstream.  If not, the problem may lie in pandoc's
(really skylighting's) implementation of the KDE syntax definitions.
See jgm/skylighting - the README.md there has more information.

> On Oct 13, 2022, at 1:03 PM, Antonio Piccolboni <piccolbo-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
> 
> Hi

Re: quoted atoms highlighted as errors in prolog

[Antonio Piccolboni]

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New to Kate, but AFAICT no problem there (saved code in .prolog file, atom 
highlighted in green, not bold red). Looking into skylighting



On Thursday, October 13, 2022 at 1:37:29 PM UTC-7 fiddlosopher wrote:

> I don't know, but pandoc's highlighting is based on KDE syntax definitions.
> So first step is to see if you get a similar result in the Kate editor.
> If you do, the problem is with the prolog.xml definition we build on, and 
> it
> should be reported upstream. If not, the problem may lie in pandoc's
> (really skylighting's) implementation of the KDE syntax definitions.
> See jgm/skylighting - the README.md there has more information.
>
> > On Oct 13, 2022, at 1:03 PM, Antonio Piccolboni <picc...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 
> wrote:
> > 
> > Hi
>
>

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Re: quoted atoms highlighted as errors in prolog

[Antonio Piccolboni]

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Skylighting does show the problem:

 *skylighting* -s prolog kate.prolog


generates the red highlight. When generating latex, it generates the 
\ErrorTok cmd. 

I suppose I should report a bug there?

On Thursday, October 13, 2022 at 2:40:40 PM UTC-7 Antonio Piccolboni wrote:

> New to Kate, but AFAICT no problem there (saved code in .prolog file, atom 
> highlighted in green, not bold red). Looking into skylighting
>
>
>
> On Thursday, October 13, 2022 at 1:37:29 PM UTC-7 fiddlosopher wrote:
>
>> I don't know, but pandoc's highlighting is based on KDE syntax 
>> definitions.
>> So first step is to see if you get a similar result in the Kate editor.
>> If you do, the problem is with the prolog.xml definition we build on, and 
>> it
>> should be reported upstream. If not, the problem may lie in pandoc's
>> (really skylighting's) implementation of the KDE syntax definitions.
>> See jgm/skylighting - the README.md there has more information.
>>
>> > On Oct 13, 2022, at 1:03 PM, Antonio Piccolboni <picc...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 
>> wrote:
>> > 
>> > Hi
>>
>>

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Re: quoted atoms highlighted as errors in prolog

[Antonio Piccolboni]

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PS: I installed skylighting from brew and not from source. 

On Thursday, October 13, 2022 at 2:47:36 PM UTC-7 Antonio Piccolboni wrote:

> Skylighting does show the problem:
>
>  *skylighting* -s prolog kate.prolog
>
>
> generates the red highlight. When generating latex, it generates the 
> \ErrorTok cmd. 
>
> I suppose I should report a bug there?
>
> On Thursday, October 13, 2022 at 2:40:40 PM UTC-7 Antonio Piccolboni wrote:
>
>> New to Kate, but AFAICT no problem there (saved code in .prolog file, 
>> atom highlighted in green, not bold red). Looking into skylighting
>>
>>
>>
>> On Thursday, October 13, 2022 at 1:37:29 PM UTC-7 fiddlosopher wrote:
>>
>>> I don't know, but pandoc's highlighting is based on KDE syntax 
>>> definitions.
>>> So first step is to see if you get a similar result in the Kate editor.
>>> If you do, the problem is with the prolog.xml definition we build on, 
>>> and it
>>> should be reported upstream. If not, the problem may lie in pandoc's
>>> (really skylighting's) implementation of the KDE syntax definitions.
>>> See jgm/skylighting - the README.md there has more information.
>>>
>>> > On Oct 13, 2022, at 1:03 PM, Antonio Piccolboni <picc...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 
>>> wrote:
>>> > 
>>> > Hi
>>>
>>>

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Re: quoted atoms highlighted as errors in prolog

[John MacFarlane]

> On Oct 13, 2022, at 2:47 PM, Antonio Piccolboni <piccolbo-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
> 
> Skylighting does show the problem:
> 
>  skylighting -s prolog kate.prolog
> 
> 
> 
> generates the red highlight. When generating latex, it generates the \ErrorTok cmd. 
> 
> I suppose I should report a bug there?

Yes, please!