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## All source code keeps breaking on 'Save Draft' click

1. Since yesterday all code that I import into the HTML editor via http://www.codecogs.com/latex/eqneditor.php seems to break. It doesn't matter if it is HTML or a LaTeX shortcode. Switching to Visual shows the embed working well, but clicking Save Draft either wipes out the code completely or displays as is in the Visual editor. Driving me nuts. Ideas?

The blog I need help with is tomonomics.wordpress.com.

2. Hi. In order to assist you, we need the URL of your blog, starting with http:// please. Thanks.

3. We are users like you on these forums. We can't see a preview. We can only see content that you actually published.

This is the correct way of entering LaTeX on a WordPress.com blog. Are you using that?
http://en.support.wordpress.com/latex/

4. I tried that (I had been using  but to be honest I cant get any html or shortcodes to work now (e.g [youtube=]) whereas they worked before. Even tried everything in Firefox, (I use Chrome). Wonder if something is corrupt on my blog, but not sure how to determine this.

5. @tom4p1
I think you should contact Staff as these worked before and have stopped working now. http://en.support.wordpress.com/contact/ After you use the searchbox, under the search results, at the bottom of the page there will be a section that says “Have you found the answer to your question?” You can choose either “Yes I found the answer to my question.” or “No I didn’t find the answer to my question and I would like to contact support for help.” The no option will reveal the contact form.

6. It's odd. For me, it didn't break any code. Writting $latex \large \prod {_{MAX}}=\frac {\partial\prod }{\partial L}=-w=0$ in a post gives the exact image what was needed: http://s0.wp.com/latex.php?latex=%5Clarge+%5Cprod+%7B_%7BMAX%7D%7D%3D%5Cfrac+%7B%5Cpartial%5Cprod+%7D%7B%5Cpartial+L%7D%3D-w%3D0&bg=ffffff&fg=000000&s=0