Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

README-Thumb2.txt
//===---------------------------------------------------------------------===//
// Random ideas for the ARM backend (Thumb2 specific).
//===---------------------------------------------------------------------===//

Make sure jumptable destinations are below the jumptable in order to make use
of tbb / tbh.