User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9pre) Gecko/2008042906 Firefox/3.0pre Build Identifier: When you click "show experimental add-ons" when browsing extensions (for example at the URL above) "show=20" is added to the URL. Given that bug 429353 has been fixed, increasing the default add-on list size from 10 to 20, I think this is probably unnecessary now. Reproducible: Always
Nah, it just submits the form, which happens to contain a field stating the number of add-ons on the page. If you change that to, say, 100, that'll still be in the URL after clicking "show experimental" too. Thanks for the heads-up though.