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I notice that the excerpts at the top of tag question lists have been replaced by (the first few lines of) the text of the full tag wiki. For example, see http://stackoverflow.com/questions/tagged/xml.

So something has changed. It no longer works as described in the "What are Tag Wikis?" sidebar at http://stackoverflow.com/edit-tag-wiki/19.

Is this intentional?

The following screen shot illustrates one problem:

More examples: The docbook and apache-axis tags have wiki excerpts, but no full tag wikis. The excerpts used to be displayed on the "Tagged Questions" pages, but now it says "The [tag] tag has no wiki summary, can you help us create it?". These tags do have summaries, they are just not shown anymore.

I notice that the excerpts at the top of tag question lists have been replaced by (the first few lines of) the text of the full tag wiki. For example, see https://stackoverflow.com/questions/tagged/xml.

So something has changed. It no longer works as described in the "What are Tag Wikis?" sidebar at https://stackoverflow.com/edit-tag-wiki/19.

Is this intentional?

The following screen shot illustrates one problem:

More examples: The docbook and apache-axis tags have wiki excerpts, but no full tag wikis. The excerpts used to be displayed on the "Tagged Questions" pages, but now it says "The [tag] tag has no wiki summary, can you help us create it?". These tags do have summaries, they are just not shown anymore.