can't post any messages due to HTML error

[#1]

Everytime I try to post a message, I get a 'Bad HTML' message.

Firefox 16 on Linux.

[posting here from a different computer, Firefox 17 on W7]

[#2]

#1 After you get that error, did you try clicking on post again?

Because that is what I have done in the past and my messsage went through.

#2 What add-ons if any are you using?

For example: NoScript

#3 Is this limited to only a certain area?

For example: limited to only http://forums.verizon.com/t5/Learn-Community-Blogs/ct-p/BlogsandIdeas

[#3]

#1. yes.  No change.

#2. AdBlock.

#3. no, as far as I know.

Update: I was able to post this without a problem.  I'm guessing something changed at the website.