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Unselected function's graph appears (aka The Case of the Ghost Curve)
Not a Problem
Another graphing bug: this one's 2D. I'm getting a sort of "ghost" curve when working with graphs. In the picture, you see a blue parabola. It's the graph of the lowest equation in the algebra window. However, it's not selected, and it's correct color is red.
When I select that function to appear, both the red (which should be there) and the blue curves overlap.
The only way I've found to remove one of these "ghosts" is to quit and reopen the file. (The "ghosts" have showed up in other shades as well: gray and green.)
Files:
Screen Shot 201...
The same problem 
I'm now noticing that these "ghost" curves are being left when you edit the name of the function in the algebra view, and they disappear shortly after clicking on another function's name. Possibly of note: clicking on a text item does not remove the "ghost" curve.
Please post your .ggb file
See the seventh equation in algebra view.
It seems to me that "y=F(x)" is selected.
@abakus: That's a text item.@Michael: I don't think this is the original ggb file (given the problems I was having, I probably deleted it in order to start a new graph), but I'll attach it just in case.
Sorry, we won't be able to check this unless you can find a reliable way to make the problem occur
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