Move commands.forget over to using new walk code.
With no names, it now recursively forgets everything, as is the default
behaviour of other commands. And prints the names of all files it
hasn't specifically been told to forget.
#!/bin/sh -xhg initecho This is file a1 > ahg add ahg commit -m "commit #0" -d "0 0"lsecho This is file b1 > bhg add bhg commit -m "commit #1" -d "0 0"hg co 0# B should disappearls