#263 Boolean combination of groups

[Thomas Arildsen]

It would be very useful if the current combination of groups
could be extended to the possibility of complete boolean
combination.
As far as I can see, the current intersection/union + invert
combinations only enable (Group1 AND Group2 AND ...),
(Group1 OR Group2 OR ...), or (NOT (Group1 AND Group2
AND ...)) etc. selections.
What I would like to have it extended to would be any
boolean combination such as (((Group1 AND Group2) OR
Group3) AND (NOT Group4)), just to give an example.
I could perhaps help implement it.
Best regards,

Thomas Arildsen

P.S. Thanks for perhaps the most useful free software tool
I have ever used.

[Nobody/Anonymous]

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I just wanted to second this request. It would be very useful indeed.
Thanks again for JabRef. It is awesome!
-Lee