[pmwiki-users] I would like to create custom markup like github markdown backticks mermaid

[Christopher Cox]

On 10/23/26 10:35 AM, Gregor Klarič wrote:
> Can you post the markup definition of when it is working, so for (:mermaid..... ?

Well, I fixed it!!  I did want to capture optional parms out to the side. 
Anyway, once I had the additional capture, it worked.  The issue was:

@list($m0, $options, $sourceblock) = $m;

in the function (dang it... should have seen that)

So, in order to use the same function in both cases, needed to supply options.

Here's the finished markup session.

Markup(
     'mermaid2',
     'fulltext',
     '/^```mermaid([^\r\n]*)\R(.*?)```/si',
     "MermaidMarkup"
);

All working.

> 
> Am Fr., 23. Okt. 2026 um 16:39 Uhr schrieb Christopher Cox 
> <chriscox at endlessnow.com <mailto:chriscox at endlessnow.com>>:
> 
>     On 10/23/26 12:56 AM, Gregor Klarič wrote:
>      > # put into  config.php or a cookbook script
>      >
>      > Markup('mermaid', '<[=', '/```mermaid\s*(.*?)```/s', 'MermaidMarkup');
>      >
> 
>     Still not working for me.  With that said, this is not some sort of wrapper to
>     mermaid javascript.  I'm using mermaidx server side for artifact production.  I
>     already have the markup working fine with (:mermaid ...:) ML markup
>     (:mermaidend:)
> 
> 
>      > function MermaidMarkup($m) {
>      >    return Keep("<pre class='mermaid'>" . $m[1] . "</pre>");
>      > }
>      >
>      > # load mermaid once
>      > $HTMLFooterFmt['mermaid'] =
>      >    "<script type='module'>
>      >       import mermaid from 'https://cdn.jsdelivr.net/npm/mermaid@11/dist/
>     <https://cdn.jsdelivr.net/npm/mermaid@11/dist/>
>      > mermaid.esm.min.mjs <https://cdn.jsdelivr.net/npm/mermaid@11/dist/
>     <https://cdn.jsdelivr.net/npm/mermaid@11/dist/>
>      > mermaid.esm.min.mjs>';
>      >       mermaid.initialize({ startOnLoad: true });
>      >     </script>";
>      >
>      > Am Fr., 23. Okt. 2026 um 06:47 Uhr schrieb Christopher Cox
>      > <chriscox at endlessnow.com <mailto:chriscox at endlessnow.com>
>     <mailto:chriscox at endlessnow.com <mailto:chriscox at endlessnow.com>>>:
>      >
>      >     I've been wresting with trying to create working markup for:
>      >
>      >     ```mermaid
>      >     (markup language here)
>      >     ```
>      >
>      >     It seems to "work", but my sourceblock is empty.
>      >
>      >     Markup(
>      >           'mermaid2',
>      >           'fulltext',
>      >           '/```mermaid(.*?)```/si',
>      >           "MermaidMarkup"
>      >     );
>      >
>      >     I'm probably missing something easy.  Any hints?
>      >
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