- Improve the THStack doc; option HIST
- Improve the THStack doc; option HIST


git-svn-id: acec3fd5b7ea1eb9e79d6329d318e8118ee2e14f@33768 27541ba8-7e3a-0410-8455-c3a389f83636

mkret2/root,BerserkerTroll/root,CristinaCristescu/root,zzxuanyuan/root,lgiommi/root,beniz/root,karies/root,olifre/root,vukasinmilosevic/root,vukasinmilosevic/root,satyarth934/root,ffurano/root5,bbockelm/root,mattkretz/root,abhinavmoudgil95/root,evgeny-boger/root,sawenzel/root,Dr15Jones/root,nilqed/root,kirbyherm/root-r-tools,evgeny-boger/root,root-mirror/root,evgeny-boger/root,jrtomps/root,georgtroska/root,esakellari/root,omazapa/root,veprbl/root,abhinavmoudgil95/root,gbitzes/root,zzxuanyuan/root-compressor-dummy,abhinavmoudgil95/root,mkret2/root,alexschlueter/cern-root,alexschlueter/cern-root,olifre/root,mattkretz/root,sirinath/root,zzxuanyuan/root,zzxuanyuan/root-compressor-dummy,omazapa/root-old,zzxuanyuan/root,olifre/root,arch1tect0r/root,beniz/root,buuck/root,omazapa/root-old,jrtomps/root,0x0all/ROOT,root-mirror/root,sbinet/cxx-root,pspe/root,zzxuanyuan/root,cxx-hep/root-cern,karies/root,zzxuanyuan/root,gganis/root,cxx-hep/root-cern,satyarth934/root,vukasinmilosevic/root,mattkretz/root,perovic/root,bbockelm/root,strykejern/TTreeReader,CristinaCristescu/root,davidlt/root,beniz/root,krafczyk/root,agarciamontoro/root,veprbl/root,BerserkerTroll/root,jrtomps/root,georgtroska/root,omazapa/root,thomaskeck/root,simonpf/root,pspe/root,Y--/root,pspe/root,buuck/root,esakellari/my_root_for_test,gbitzes/root,ffurano/root5,esakellari/my_root_for_test,sawenzel/root,georgtroska/root,veprbl/root,esakellari/root,buuck/root,davidlt/root,nilqed/root,sirinath/root,davidlt/root,0x0all/ROOT,lgiommi/root,zzxuanyuan/root-compressor-dummy,pspe/root,mattkretz/root,gganis/root,nilqed/root,omazapa/root-old,kirbyherm/root-r-tools,pspe/root,smarinac/root,gganis/root,georgtroska/root,davidlt/root,sirinath/root,alexschlueter/cern-root,Y--/root,BerserkerTroll/root,vukasinmilosevic/root,krafczyk/root,gganis/root,sbinet/cxx-root,omazapa/root-old,Dr15Jones/root,Y--/root,strykejern/TTreeReader,zzxuanyuan/root-compressor-dummy,BerserkerTroll/root,root-mirror/root,krafczyk/root,lgiommi/root,sbinet/cxx-root,Y--/root,buuck/root,BerserkerTroll/root,simonpf/root,strykejern/TTreeReader,arch1tect0r/root,olifre/root,veprbl/root,bbockelm/root,esakellari/my_root_for_test,davidlt/root,Duraznos/root,zzxuanyuan/root,simonpf/root,gbitzes/root,dfunke/root,mkret2/root,omazapa/root-old,evgeny-boger/root,satyarth934/root,mhuwiler/rootauto,dfunke/root,gganis/root,CristinaCristescu/root,zzxuanyuan/root-compressor-dummy,karies/root,Y--/root,arch1tect0r/root,mkret2/root,mkret2/root,zzxuanyuan/root,thomaskeck/root,vukasinmilosevic/root,mattkretz/root,kirbyherm/root-r-tools,ffurano/root5,jrtomps/root,sawenzel/root,veprbl/root,mkret2/root,root-mirror/root,esakellari/root,0x0all/ROOT,zzxuanyuan/root-compressor-dummy,omazapa/root,omazapa/root-old,lgiommi/root,Dr15Jones/root,olifre/root,beniz/root,jrtomps/root,zzxuanyuan/root,Duraznos/root,georgtroska/root,root-mirror/root,Dr15Jones/root,sawenzel/root,olifre/root,CristinaCristescu/root,gganis/root,esakellari/my_root_for_test,mattkretz/root,karies/root,BerserkerTroll/root,tc3t/qoot,smarinac/root,evgeny-boger/root,bbockelm/root,esakellari/root,dfunke/root,bbockelm/root,agarciamontoro/root,gganis/root,sawenzel/root,sirinath/root,dfunke/root,pspe/root,Y--/root,gbitzes/root,agarciamontoro/root,sbinet/cxx-root,Y--/root,perovic/root,ffurano/root5,thomaskeck/root,tc3t/qoot,0x0all/ROOT,gbitzes/root,arch1tect0r/root,ffurano/root5,mhuwiler/rootauto,karies/root,esakellari/root,gganis/root,lgiommi/root,esakellari/my_root_for_test,nilqed/root,simonpf/root,davidlt/root,pspe/root,georgtroska/root,esakellari/root,sbinet/cxx-root,sbinet/cxx-root,smarinac/root,arch1tect0r/root,jrtomps/root,Dr15Jones/root,thomaskeck/root,jrtomps/root,CristinaCristescu/root,mkret2/root,karies/root,beniz/root,cxx-hep/root-cern,alexschlueter/cern-root,ffurano/root5,buuck/root,davidlt/root,karies/root,CristinaCristescu/root,zzxuanyuan/root-compressor-dummy,vukasinmilosevic/root,omazapa/root,root-mirror/root,zzxuanyuan/root,agarciamontoro/root,krafczyk/root,gganis/root,mhuwiler/rootauto,veprbl/root,evgeny-boger/root,simonpf/root,omazapa/root-old,jrtomps/root,bbockelm/root,Duraznos/root,simonpf/root,agarciamontoro/root,mhuwiler/rootauto,simonpf/root,mattkretz/root,gganis/root,pspe/root,satyarth934/root,Duraznos/root,esakellari/my_root_for_test,zzxuanyuan/root-compressor-dummy,BerserkerTroll/root,sawenzel/root,gbitzes/root,Y--/root,kirbyherm/root-r-tools,sirinath/root,Dr15Jones/root,sirinath/root,bbockelm/root,nilqed/root,root-mirror/root,beniz/root,pspe/root,tc3t/qoot,veprbl/root,sawenzel/root,sbinet/cxx-root,beniz/root,georgtroska/root,esakellari/root,dfunke/root,mattkretz/root,sirinath/root,satyarth934/root,Duraznos/root,esakellari/my_root_for_test,esakellari/my_root_for_test,nilqed/root,bbockelm/root,dfunke/root,veprbl/root,mhuwiler/rootauto,gbitzes/root,bbockelm/root,veprbl/root,agarciamontoro/root,nilqed/root,CristinaCristescu/root,beniz/root,Y--/root,satyarth934/root,omazapa/root,BerserkerTroll/root,abhinavmoudgil95/root,tc3t/qoot,0x0all/ROOT,davidlt/roo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