Why axis titles aren't saved into a file?

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Lost axis titles when printing TCanvas with TF1 to root file

Hi, I’m drawing a TF1 to a canvas, then printing the canvas to root files. When I load those saved root files, the resulting plot doesn’t have the labels I set to both axis. If I print to an eps or png, there’s no problem in the resulting files; and also there isn’t any problem in the plot shown in the interactive session where the script is ran to generate the files. I tried with ROOT 5.24/00 (trunk@29257, Jun 30 2009, 09:23:51 on linux) and ROOT 5.22/00 (trunk@26997, Jul 22 2009, 23:43:00…