Verify raw data within slaves on 9.9.x

[Evan Hunt]

> However - I guess its a little less efficient than the new default 'raw'
> mode, especially for large zones.

More than a little.  Raw zonefiles load in about half the time it
takes to parse the equivalent text.  The delay only becomes really
noticeable when you have big zones, or a lot of small ones, but
it's always there.

-- 
Evan Hunt -- each at isc.org
Internet Systems Consortium, Inc.