Treating persistent storage as cookies: mozilla & safari

[~:'' ありがとうございました]

http://dev.w3.org/html5/webstorage/#user-tracking
Treating persistent storage as cookies: mozilla & safari
anyone been able to clear localStorage via cookie preferences in  
mozilla or safari?

regards

Jonathan Chetwynd

testcase:
https://bug506639.bugzilla.mozilla.org/attachment.cgi?id=390836

however not found the relevant cookie in Safari, and minefield appears  
currently not to have a cookie manager
~:"