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                true   1
                1      1
        );
        $val = $true{$val} || 0;
        return $val;
}
 
=item config
 
Gets or sets configuration parameters. The base is set in hardcoded
program defaults; it then is overlayed with the configuration file results.
If a configuration block is entered, those settings override the parent
configuration block. Finally, internal setting can be done, temporarily
overriding configuration file settings (because of option dependencies).
 
    my $compress = $snap->config(-Compress);
 
        # turn off compression
        $snap->config( Compress => No);
 
Some options are boolean, and some accept the special value 'none' to