[Xerte] upgrading to 1.9

[Cowell, Elizabeth]

hello again, 

I noticed 1.9 is out so I've downloaded this to see of this problem with resizing has been fixed. my question is how do I apply it to my current 1.8 install and keep all my data. should I just unzip it over the same xerte toolkit subdirectory  of htdocs? will it require running setup again and if so how so I ensure my previous data is kept intact ?

many thanks if you can advise

Liz Cowell 

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