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Description of problem:
`virsh nodedev-dettach` has spelling error - detach should has  1 't' instead of 2 't'

Version-Release number of selected component (if applicable):
- libvirt-0.8.1-3.el6.x86_64

How reproducible:
Always

Steps to Reproduce:
1. # virsh help nodedev-dettach
  NAME
    nodedev-dettach - dettach node device from its device driver

  SYNOPSIS
    nodedev-dettach <device>

  DESCRIPTION
    Dettach node device from its device driver before assigning to a domain.

  OPTIONS
    <device>         device key


Actual results:
it uses 'dettach', obviously spelling error

Expected results:
Replcae 'dettach' with 'detach'

Additional info:

This request was evaluated by Red Hat Product Management for inclusion in a Red
Hat Enterprise Linux major release.  Product Management has requested further
review of this request by Red Hat Engineering, for potential inclusion in a Red
Hat Enterprise Linux Major release.  This request is not yet committed for
inclusion.

THis has been known about for a long time, but it cannot be fixed because renaming the command will break any scripts currently using this functionality.

However, we could add a shadow command that used exactly the same implementation, but was named correctly.  Then we would have both "virsh nodedev-dettach" and "virsh nodedev-detach", but newer users could use the correct spelling.

Chris Lalancette

That will cause more trouble than it is worth, because then people will write scripts / docs using 'nodedev-detach' and they'll not be compatible with any existing deployment.

Well, we could certainly backport the right spelling to any production we ship, couldn't we? (I realize you can't *force* people to deploy errata, but...)