A fourth rendering option "PNG+MathJax" could be interesting: Output a rendered PNG but replace it by pure HTML with MathJax. This would have several advantages:
- Users with incompatible browsers will see the rendered formula. (At least when MathJax is configured properly.)
- Users with disabled JavaScript will see the rendered formula.
- The rendered formula is visible as soon as the image is downloaded which is usually faster then MathJax' rendering for pages with many formulas.
Because of the first two points this option could even be used as default.
The only disadvantage I can see is the fact that both the images and the JavaScript have to be downloaded, but since the JavaScript can be cached this shouldn't be a big problem.
If you decide to close this bug as WONTFIX, then remove the code to extract the TeX from an image in MathJax/extensions/wiki2jax.js.
Version: unspecified
Severity: enhancement