Rudolf Adamkovič <> writes:

> tusharhero--- via "General discussions about Org-mode."
> <> writes:
>> \begin{tikzpicture}
>> \draw (0,0) circle [radius=2cm];
>> \end{tikzpicture}
> ... But, but, but!  There
> is a new LaTeX preview system in works [2],
> and it fixes a lot of problems out of the
> box, including yours!

Fist, for the record...

I can also confirm that TEC's feature branch does not have this bug.

On main, the bug is caused by horrible heuristics in
`org-html--latex-environment-numbered-p' and
`org-html--unlabel-latex-environment', which make a naive assumption
that \begin{foo*} is always available and codifies unnumbered version of

However, \begin{tikzpicture*} environment is not valid. Moreover,
\begin{tikzpicture} is not numbered either (just as many other
non-equation environments).

That said, I am not sure what is going on with numbering in TEC's branch
- the above two functions are left in the code, __unused__. Which
indicates that we might also have some feature regression on that branch.
Timothy, any comments?

Ihor Radchenko // yantar92,
Org mode contributor,
Learn more about Org mode at <>.
Support Org development at <>,
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