$ mkdir patches

	$ echo file > file
	$ quilt new remove.diff
	> Patch %{P}remove.diff is now on top

	$ quilt add file
	> File file added to patch %{P}remove.diff

In this case, the original file in the --- line must not have .orig appended
or else patch won't know the real original filename anymore.

	$ rm -f file
	$ quilt diff -p0
	> Index: file
	> ===================================================================
	> --- file
	> +++ /dev/null
	> @@ -1 +0,0 @@
	> -file

	$ quilt refresh -p0
	> Refreshed patch %{P}remove.diff

	$ quilt pop -q
	> Removing patch %{P}remove.diff
	> No patches applied

	$ quilt push -q
	> Applying patch %{P}remove.diff
	> Now at patch %{P}remove.diff