CookieDecoder issues with Google Analytics

[Dave Siracusa]

I'm getting the following exception:
java.lang.IllegalArgumentException: name contains one of the following
prohibited characters: =,; \t\r\n\v\f: /clearance,/32/dept.html
	at
org.jboss.netty.handler.codec.http.DefaultCookie.<init>(DefaultCookie.java:89)
	at
org.jboss.netty.handler.codec.http.CookieDecoder.decode(CookieDecoder.java:129)

Sample cookie:
__utma=48461872.1094088325.1258140131.1258140131.1258140131.1
 __utmb=48461872.13.10.1258140131
 __utmc=48461872

__utmz=48461872.1258140131.1.1.utmcsr=overstock.com|utmccn=(referral)|utmcmd=referral|utmcct=/Home-Garden/Furniture/Clearance,/clearance,/32/dept.html

Google Analytics uses commas in their cookie value, and who can argue with
Google.

I looked at the w3c rfc 2109 and it appears (I guess) that ;, are legitimate
delimiters.
An excerpt from the rfc:
The syntax for the header is:
    cookie             =       "Cookie:" cookie-version
                            1*((";" | ",") cookie-value)
    cookie-value     =       NAME "=" VALUE [";" path] [";" domain]
    cookie-version   =       "$Version" "=" value
    NAME               =       attr
    VALUE              =       value
    path                 =       "$Path" "=" value
    domain              =       "$Domain" "=" value
 
So do we ignore commas?  Do we establish precedence with the first
encountered delimiter and ignore the other?

BTW - I didn't look at the cookeencoder.

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