> When ROptions items contain the same substring and this substring is also an ROptions item (ex: notdone, 
> done), the value of the entry could change in the edit page. 
> It depends on the item order in the config file. 
> 
> If Options is used (instead of ROptions), it works as expected.
> 
> Is it a bug?
> 
> 
> Examples : 
> 
> #Insert "notdone" as new entry. When you try to edit the entry, the displayed value is "done".
> 
> [test_bad]
> Attributes = Author, Category
> ROptions Category = notdone, done
> 
> #No problem if you change the item order 
> 
> [test_good]
> Attributes = Author, Category
> ROptions Category = done, notdone

Thanks for reporting this bug. I fixed it in SVN revisoin 2193.

> Is it possible to preset an attribute with the current weeknumber?

No. All you can do is 

Date format = %W

which displays the week number in the "Entry date" field. This number goes 
from 00 to 53. Some systems support "%V", which runs from 01 to 53.