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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