Internal link to a RawBlock created via filter

Internal link to a RawBlock created via filter

[Alberto Simoes]

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Hello

I am using a filter based on the tikz example in the python pandocfilters 
documentation.
I am generating one id="foo" and a \label{foo} in the html and latex 
output, respectively, for an internal link target.

Nevertheless, when I use a link to that block, with [Look here](#foo)  the 
link is generated to the first page, and not to the raw block that has the 
label defined.

I suppose that Pandoc is creating an internal index of references before 
generating the latex/html code (??) and is not aware that my RawBlock has a 
link target.

What is the proper way to achieve a working link?
Thank you
Alberto

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Re: Internal link to a RawBlock created via filter

[Alberto Simões]

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On Sat, Jul 15, 2023 at 9:24 PM Alberto Simoes <hashashin-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:

> Hello
>
> I am using a filter based on the tikz example in the python pandocfilters
> documentation.
> I am generating one id="foo" and a \label{foo} in the html and latex
> output, respectively, for an internal link target.
>
> Nevertheless, when I use a link to that block, with [Look here](#foo)  the
> link is generated to the first page, and not to the raw block that has the
> label defined.
>
> I suppose that Pandoc is creating an internal index of references before
> generating the latex/html code (??) and is not aware that my RawBlock has a
> link target.
>
>
The generated LaTeX looks good to me...

--------
\begin{figure}[h]
\centering
...
\caption{Vibração simples}
\label{fig1}
\end{figure}

A corda \emph{A} deslocada para o ponto \emph{B} regressa à base
\emph{A}. A vibração simples póde pois representar-se em face da
\protect\hyperlink{fig1}{fig.~1} pela fórmula \(AB + BA\).
----------

What am I missing?

Thank you


-- 
Alberto Simões

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Re: Internal link to a RawBlock created via filter

[Alberto Simoes]

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On Saturday, July 15, 2023 at 9:40:08 PM UTC+1 Alberto Simões wrote:

On Sat, Jul 15, 2023 at 9:24 PM Alberto Simoes  wrote:

Hello

I am using a filter based on the tikz example in the python pandocfilters 
documentation.
I am generating one id="foo" and a \label{foo} in the html and latex 
output, respectively, for an internal link target.

Nevertheless, when I use a link to that block, with [Look here](#foo)  the 
link is generated to the first page, and not to the raw block that has the 
label defined.

I suppose that Pandoc is creating an internal index of references before 
generating the latex/html code (??) and is not aware that my RawBlock has a 
link target.


The generated LaTeX looks good to me...

--------
\begin{figure}[h]
\centering
...
\caption{Vibração simples}
\label{fig1}
\end{figure}

A corda \emph{A} deslocada para o ponto \emph{B} regressa à base
\emph{A}. A vibração simples póde pois representar-se em face da
\protect\hyperlink{fig1}{fig.~1} pela fórmula \(AB + BA\).
----------


hyperlink only links to hyperref hypertarget blocks.
So, I needed to write

\begin{figure}[h]
\centering
\hypertarget{fig1}{...}
\caption{Vibração simples}
\label{fig1}
\end{figure}
 
in fact, the label might be suppressed after the caption, but I decided to 
keep it there, as it might get handy.

Thanks and sorry for asking and answering :-)
Alberto

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Re: Internal link to a RawBlock created via filter

[John MacFarlane]

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Your link [look here](#foo) should be generating an HTML anchor <a> with href "#foo".
Is this what you see?

Second question: do you see the id="foo" in the document you produced?  If you're including this in a raw HTML block, it should be passed directly through.

Another question is whether you perhaps have a heading named Foo -- that could cause pandoc to autogenerate an id "foo". Pandoc wouldn't know about the id you set in your raw HTML block, otherwise it would take steps to avoid duplicate ids.


> On Jul 15, 2023, at 1:24 PM, Alberto Simoes <hashashin-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
> 
> Hello
> 
> I am using a filter based on the tikz example in the python pandocfilters documentation.
> I am generating one id="foo" and a \label{foo} in the html and latex output, respectively, for an internal link target.
> 
> Nevertheless, when I use a link to that block, with [Look here](#foo)  the link is generated to the first page, and not to the raw block that has the label defined.
> 
> I suppose that Pandoc is creating an internal index of references before generating the latex/html code (??) and is not aware that my RawBlock has a link target.
> 
> What is the proper way to achieve a working link?
> Thank you
> Alberto
> 
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> To unsubscribe from this group and stop receiving emails from it, send an email to pandoc-discuss+unsubscribe-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org <mailto:pandoc-discuss+unsubscribe-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org>.
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Re: Internal link to a RawBlock created via filter

[Alberto Simões]

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Hello, John

The issue was with LaTeX and the hyperref package. That was fixed, thank
you.
Alberto

On Tue, Jul 18, 2023 at 1:05 AM John MacFarlane <fiddlosopher@gmail.com>
wrote:

> Your link [look here](#foo) should be generating an HTML anchor <a> with
> href "#foo".
> Is this what you see?
>
> Second question: do you see the id="foo" in the document you produced?  If
> you're including this in a raw HTML block, it should be passed directly
> through.
>
> Another question is whether you perhaps have a heading named Foo -- that
> could cause pandoc to autogenerate an id "foo". Pandoc wouldn't know about
> the id you set in your raw HTML block, otherwise it would take steps to
> avoid duplicate ids.
>
>
> On Jul 15, 2023, at 1:24 PM, Alberto Simoes <hashashin-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
>
> Hello
>
> I am using a filter based on the tikz example in the python pandocfilters
> documentation.
> I am generating one id="foo" and a \label{foo} in the html and latex
> output, respectively, for an internal link target.
>
> Nevertheless, when I use a link to that block, with [Look here](#foo)  the
> link is generated to the first page, and not to the raw block that has the
> label defined.
>
> I suppose that Pandoc is creating an internal index of references before
> generating the latex/html code (??) and is not aware that my RawBlock has a
> link target.
>
> What is the proper way to achieve a working link?
> Thank you
> Alberto
>
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> .
>
>
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>


-- 
Alberto Simões

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