Katex and TiddlyWiki: Some syntax does not work

[Atronoush Parsi]

Testing in Tiddlywiki 5.1.23

https://tiddlywiki.com/plugins/tiddlywiki/katex/

Some example of KaTex:Supported Functions · KaTeX

like

\begin{align}
   a&=b+c \\
   d+e&=f
\end{align}

return errors! Is there any setting I missed or Tiddlywiki does not support these features?

Mor example which do not work:

$$

\begin{equation}
\begin{split}   a &=b+c\\
      &=e+f
\end{split}
\end{equation}

$$

[Pak]

My understanding is that in order for TW to parse an expression with katex, the expression needs to be inside $$ (or <$latex> widget). Otherwise the expression is treated as a wikitext/html.  That might explain why \begin{align} does not work - it's not inside $$ so TW does not know to parse this as a LaTeX command.

If you want align environment, you can use

$$
\begin{aligned}
   a&=b+c \\
   d+e&=f
\end{aligned}

$$

[PMario]

Hi,

It seems {align} support started with KaTex 0.13.0 ... The version used in TW is 0.12.0 which is about 1 year old.

So we will probably need to make an update.

-mario

 

[Si]

@Atronoush

It's because {align} and {equation} were only added in Katex v0.13.0 (https://github.com/KaTeX/KaTeX/releases?after=v0.13.4)

The current TiddlyWiki plugin is still on v0.10.0, and the pre-release is on v0.12.0. I would suggest adding an issue to github asking if the plugin can be updated to the latest version of Katex.

[PMario]

Hi

I did create an issue: https://github.com/Jermolene/TiddlyWiki5/issues/5907

-m

[Atronoush Parsi]

@PMario Thank you for help and ticket on GitHub

Yes, please! Hope it gets updated for TW 5.2.0 release! I think TW 5.1.23 would not get the update

@Si - I did not know this I just looked the KaTex help page and try to implement the examples

@Pak - Thank you! While align does not work with current TW+KaTex 0.12 but amazingly aligned worked ;-)

Thank you all

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[Mohammad Rahmani]

On Thu, Jul 22, 2021 at 5:18 PM PMario <pmar...@gmail.com> wrote:

Hi

I did create an issue: https://github.com/Jermolene/TiddlyWiki5/issues/5907

-m

Thank you Mario! Yes 0.13.3 has tones of new features and bug fixes!

 

On Thursday, July 22, 2021 at 2:39:05 PM UTC+2 PMario wrote:

Hi,

It seems {align} support started with KaTex 0.13.0 ... The version used in TW is 0.12.0 which is about 1 year old.

So we will probably need to make an update.

-mario

 

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