While I was editing an answer that I had deleted, it displayed with lines and a Math processing error

Here's a screenshot:

enter image description here

This affected all the other answers to the same question and the question itself.

Another screenshot:

enter image description here

The strange thing is that it has occurred, as far as I've seen, with this page only.

What may have happen?

The browser was Firefox 13.0 on Windows 7.

Added. Also the same problem with IE 9.

Added 2. I deleted all the text of my answer and wrote "Deleted to test a bug. Deleted to test a bug. Deleted to test a bug." and ... the malfunction disappeared.

  • $\begingroup$ See this post and this one for more information. $\endgroup$ Jun 11 '12 at 11:55
  • $\begingroup$ @Davide Cervone Thanks. So, it may there be two causes. $\endgroup$ Jun 11 '12 at 12:19
  • $\begingroup$ I have rolled my answer back to revision 1 and it's OK. $\endgroup$ Jun 11 '12 at 16:30
  • $\begingroup$ The second link in my earlier comment was wrong. It should have been this post. Must have copied the wrong link accidentally. Sorry about that. $\endgroup$ Jun 11 '12 at 18:03
  • $\begingroup$ @DavideCervone Thanks. It's explained now. $\endgroup$ Jun 11 '12 at 18:06

This behaviour has already been reported in the folowing two questions, whose links are provided by Davide Cervone in two comments.

MathJax bug upon page refresh

Math processing error and other issues with MathJax in Safari


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