The env align is not rendered by KaTeX

[cosing]

Description

line 1

$$\begin{align*}
Y= &-28.482\times 10^6 Fantasy+  7.232×10^6 \times TopDirector\\
   &+ 7.846\times 10^6 Origin + 11.818×10^6 \times Sci Fi
\end{align*}$$

line 2

$$\begin{align*}
Y= &-28.482\times 10^6 Fantasy+  7.232×10^6 \times TopDirector\\
   &+ 7.846\times 10^6 Origin + 11.818×10^6 \times Sci Fi
\end{align*}
$$

line 3

Correctly presented in github or KaTeX:

line 1

$$\begin{align*} Y= &-28.482\times 10^6 Fantasy+ 7.232×10^6 \times TopDirector\\ &+ 7.846\times 10^6 Origin + 11.818×10^6 \times Sci Fi \end{align*}$$

line 2

$$\begin{align*} Y= &-28.482\times 10^6 Fantasy+ 7.232×10^6 \times TopDirector\\ &+ 7.846\times 10^6 Origin + 11.818×10^6 \times Sci Fi \end{align*} $$

line 3

but on gitea

Gitea Version

1.19.0+dev-299-g20e3ffd20

Can you reproduce the bug on the Gitea demo site?

Yes

Log Gist

No response

Screenshots

No response

Git Version

No response

Operating System

No response

How are you running Gitea?

use https://try.gitea.io/

Database

None

[zeripath]

ok so there are a few problems here.

The error display has clearly been broken somewhere as there should be an error displayed with this.

Once you get that - we need to pass whether there is a display mode or not - clearly that was removed too...

[zeripath]

OK I don't understand what could be happening to make the error display disappear - I suspect it's something to do with the cllipboard? @silverwind any ideas? -- AH THERE IS A BUG IN displayError IT SHOULD BE target.classlist.remove NOT target.remove

Now, the issue appears to be that KaTeX isn't setting its setting to display mode once it sees the $$ and so the environment doesn't work. My original PR did the parsing of the $$ etc before passing to KaTeX render which would have made this work but clearly that is not good.

It's likely that this represents a bug in KaTeX - but we can just forcibly set the displayMode.