Logic Pro 9 Merging regions in grouped tracks

#1
I just selected all of the regions on a drum group (the group was activated), tried to merge regions per track, and only the first track got merged properly.

Of course it works fine when the group is de-activated, but is it really suppose to work like that? Groups must be "unclutched" in order to merge regions per tracks?
:confused:
Rafa
 
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