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[Chris Pavlina <pavlina.chris@xxxxxxxxx>]

In panel_prev_model.h, there is this line:

#define PANEL_PREV_3D_B PANEL_PREV_3D

After this, "PANEL_PREV_3D_B" is used in the code in place of
"PANEL_PREV_3D".



...WHY?

Really...why??

I don't see any explanation for this bizarre substitution. It's
performed by the preprocessor, so should be exactly equivalent to just
writing PANEL_PREV_3D. Can someone please explain what this is and why
it's here?

-- 
Chris