Hi,
as far as I can see, MediaWiki does currently not provide a meta description tag such as
<meta name="description" content="India, officially the Republic of India, is a country in South Asia. It is the seventh-largest country by geographical area, the second most populous country, and the largest liberal democracy in the world."/>
for http://en.wikipedia.org/wiki/India.
It seems that several search engines make use of such a tag, such as google.
http://www.google.com/search?sourceid=navclient-ff&ie=UTF-8&rls=GGGL...
will give out every indexed page on lexikon.meyers.de (which is a pretty hacked MediaWiki, by the way). The "Erfahren sie mehr über $LEMMA in Meyers Lexikon online." is coming from the description part.
Is there a point in having such a tag for MediaWiki (the first x chars of the leadsection text of that page) and therefore, is there a point in filing a feature request on bugzilla for it?
Mathias