- Partial implementation of collection reading (e.g. TList) - to be completed

- Display functions (TF1) together with histograms when there is any in its list of functions
- Partial implementation of scatter drawing option for TH2 (covering special case where there is only one entry per bin)
- Decode and display Latex characters in titles


git-svn-id: http://root.cern.ch/svn/root/trunk@48912 27541ba8-7e3a-0410-8455-c3a389f83636