Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

misplaced-a.h
namespace A {
  namespace B {  // expected-note{{namespace 'A::B' begins here}}
    #include "misplaced-b.h"  // expected-error{{import of module 'Misplaced.Sub_B' appears within namespace 'A::B'}}
  }
}