Windows 7, GTX 590
Broken: (since I can remember, > Blender 2.64 )
Short description of error
Exact steps for others to reproduce the error
Simple, just change to Quad view, disable lock view and move any orthographic view and change it to perspective, now enable Lock view and you can´t move your new perspective view, and the lock toggle says: "Lock view rotation in side views", nothing about perpective view. here is a screenshot of what's happening with some notes....