Re: Invalid RSS feed format for Wireshark newsgroups.

[Guy Harris <guy () alum mit edu>]

On Jan 9, 2011, at 2:16 PM, Jurko Gospodnetić wrote:

>  In an element such as:
>
>  <guid isPermaLink="true">XXX</guid>
>
>  XXX must be a valid link that can be used by a web browser to access the item's data.

In particular, the spec:

        http://www.rssboard.org/rss-specification

says that the "Link" in "isPermaLink" is key here:

        <guid> is an optional sub-element of <item>.

        guid stands for globally unique identifier. It's a string that uniquely identifies the item. When present, an 
aggregator may choose to use this string to determine if an item is new.

                <guid>http://some.server.com/weblogItem3207</guid>

        There are no rules for the syntax of a guid. Aggregators must view them as a string. It's up to the source of 
the feed to establish the uniqueness of the string.

        If the guid element has an attribute named isPermaLink with a value of true, the reader may assume that it is a 
permalink to the item, that is, a url that can be opened in a Web browser, that points to the full item described by 
the <item> element. An example:

                <guid isPermaLink="true">http://inessential.com/2002/09/01.php#a2</guid>

        isPermaLink is optional, its default value is true. If its value is false, the guid may not be assumed to be a 
url, or a url to anything in particular.
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