Take advantage of the mods in TTree::CloneTree in TChain::Merge. When merging files, only the active branches in the input Trees are copied to the merged file.
Take advantage of the mods in TTree::CloneTree in TChain::Merge.
When merging files, only the active branches in the input Trees
are copied to the merged file.


git-svn-id: acec3fd5b7ea1eb9e79d6329d318e8118ee2e14f@3234 27541ba8-7e3a-0410-8455-c3a389f83636

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