Thanks to those who’ve sent me e-mail saying that the LaTeX is broken on the site. It’s not our fault. Really. It’s a problem with WordPress’s server.
Are lots of people having problems seeing LaTeX on our site?
What’s Going On
WordPress uses a web service to decode the LaTeX expressions to PNGs. When I write something like
in a blog post, it gets rendered as .
What’s really going on is that WordPress is preprocessing my doc and replacing the LaTeX escapes with links to a web service that returns PNG images. For instance, the example above translates to the following link:
If you click on the link, you should see just the formula.
(Note: Given that they run the preprocessor, WordPress might change the path and the link might go stale. Or their server might be down. If that happens, right click on the image in your browser and select “View Image Info” or whatever the variant for doing that on your browser is.)
What Happens When it Fails
When WordPress’s web server goes down, it fills in something like “latex path not specified”. Not sure whether that’s postprocessing or just the result from the server not being configured properly.
Brendan O’Connor was kind enough to send me a screen shot: