384357 - View single pop-up without enabling pop-ups for site

Status: RESOLVED DUPLICATE of bug 282515

(Firefox :: General, defect)

Description

[Alan Meyer]

User-Agent:       Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.4) Gecko/20070515 Firefox/2.0.0.4
Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.4) Gecko/20070515 Firefox/2.0.0.4

Sometimes, when warned that pop-ups have been blocked for a website, I can view that particular pop-up without enabling pop-ups for the entire site forever.  I have seen this at: http://www.newslinx.com/  However at other sites, e.g., http://cnn.com, I don't have that option.

Is there a good reason for this?  Or is it a bug?

http://cnn.com is a good example of the problem.  However I think they may use cookies or some other technique to determine whether they have offered you a particular pop-up or not.  So you may not see pop-ups every time you go to the site.  Save the page the first time you go so you can see what they're doing.

Reproducible: Always

Steps to Reproduce:
1. Go to http://cnn.com
2. If a pop-up blocker message appears at the top, click "Options"
3. I do not see an option to Show ... that I see, for example, at http://www.newslinx.com/
Actual Results:  
Options I see are:
  Allow popups for ...
  Edit popup blocker options
  Don't show this message when popups are blocked

Expected Results:  
Same 3 options plus 4th option below a line:
  Show 'http...'

Sorry if this is a duplicate, but I did a long search and could not find this bug already reported.