One {box, input} leg a patch still refers to — the shape ChannelPatchStore.identityLegs()
reports for a box no live device answers. The channel is what a REPLACE needs and a
live port cannot supply: the box is gone, so nothing was ever linked for this leg, and the
only place that still knows which channel wants it is the patch itself.
One
{box, input}leg a patch still refers to — the shapeChannelPatchStore.identityLegs()reports for a box no live device answers. Thechannelis what a REPLACE needs and a live port cannot supply: the box is gone, so nothing was ever linked for this leg, and the only place that still knows which channel wants it is the patch itself.