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1b1ed1a
(Get the code!)
> As a workaround, can you select the rat, grep the .pcb file for
> the "selected" flag, and delete the rat with a text editor?
Doesn't really work, on the next "optimize rats nest" this rat appears again.
It looks like pcb manages to create a netlist from manually drawn rat lines. Unexpected, very nice feature.
It also looks like rats can be deleted just normally, there are no "hidden" rats. Deleting a rat and saving makes the rat disappear from the file.
The problematic part is apparently that drawing a rat manually adds a corresponding netlist entry, but deleting this very same rat line doesn't do the opposite, remove the connection from the netlist.
Sample file with such "undeletable" rat lines attached. Remove the netlist from the file with a text editor and all rats can be deleted "permanently".