Here is a list of known bugs in Instiki. Comments and fixes are welcome.
Create a page “Foo”, with the text
$\begin{matrix} a \\ b \end{matrix}$
The equation will render as expected. But if you
[[!include Foo]]
on another page, you will see an error.
The problem is that the “\
” is being turned into a “\
” when this content is included in another page. Dunno why that’s happening.
Equations should be protected from Wiki Syntax processing. This doesn’t seem to work for inline equations. For instance
$$[[foo]]$$
correctly produces
but
$[[foo]]$
produces