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(am-utils.info)key Selector Variable

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key Selector Variable
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   The name being resolved.  For example, if `/home' is an automount
point, then accessing `/home/foo' would set `${key}' to the string
`foo'.  The key is prefixed by the PREF option set in the parent mount
point.  The default prefix is an empty string.  If the prefix was
`blah/' then `${key}' would be set to `blah/foo'.