thanks, garvin. I've got a learning curve (need to learn a bit of PHP and how to write plugins for s9y). I'll work on that.

A few questions.
1.Which tables should I look at?
2.Should I work on updating the multi-lingual plugin? Or should this be a new plugin by itself?
3. Is there a event hook to ...

I am translating the language strings to "tamil" language. A question I ran into:-

When the visitor clicks on the language specific link to read a post in tamil, is there a way I can display the blog title/description in tamil too (assuming I have the translation somewhere)? At the moment, the blog ...

How could I be so stupid! oh, well.

I got it installed. I did give MySQL root login correctly and the upgrade went fine but I screwed with the s9y admin login and password in the upgrader. Fixed it and the blog works great.

>t looks like the neccesary db changes for the 0.8 -> 0.9 transition have not been made. how exactly did you upgrade your blog? did you get any error messages?

ouch. That gave me the clue to what I did wrong. Let me state it here so others would know.
1.I renamed my existing installation folder ...

Tried searching on the forum and no one seems to have had this problem. I am trying to upgrade from 0.8.5 to 0.9. The installer finishes fine. When I access the blog I get:
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Query failed:
....
/ Table 'blog.serendipity_authorgroups' doesn't exist
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The table does not exist. Do I ...