True when value (as a whole) is shaped like the published key and is not a placeholder: what obtainKey() accepts, so a changed or hostile source document can't make it print a guess, a placeholder or a terminal escape as the key.
value
obtainKey()
True when
value(as a whole) is shaped like the published key and is not a placeholder: whatobtainKey()accepts, so a changed or hostile source document can't make it print a guess, a placeholder or a terminal escape as the key.