Hi Yippie, you right! No meta tags for sections and categories. I've been posting about here and there, but didn't get yet good answers.
Even worst: blog sections and blog categories meta tags. Here - if you have, say, five/ten news in a page - meta descriptions and meta keywords are a mess of every single new's meta tags.
I use blog categories in my site but I had to take away meta tags. Hope someone will find a solution.
It's true that G. and the other major engines don't care much, today, about meta tags but, for many reasons they are still useful (indexing of pages and even serp when two pages are in some way equals).
A part from that, your pages risk to be considered spam and to be banned or at least to slip down in the search when you show duplicated keywords in meta tags.
How to solve that? Everything comes from mosShowhead function. Unfortunately my knowledge of PHP is really poor, so I don't know how to extract meta tags from mosShowhead and, may be, use them with an if statement.
You better in PHP...
ciao
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no meta tags for sections and categories 
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