In cases where an address is entered where an inexact match is found, the
HTTP Geocoder will replace the street number of the address with the unit
number provided rather than discarding the unit number and correcting the
street address.

Repro:
Attempt to geocode "612 Prospect St Apt 304, Seattle, WA 98109":
http://maps.google.com/maps/geo?client=YourClientString&sensor=false&output=xml&key=YourKey&q=612+Prospect+St+Apt+304%2C+Seattle%2C+WA+98109

Expected:
Address returned is "612 N Prospect St, Seattle, WA 98109" (one of the
results if you attempt to geocode "612 Prospect St, Seattle, WA 98109", and
the only one of address-level accuracy with zip 98109)

Actual:

Address returned is "304 Prospect St" (where the street number has been
replaced with the unit number):

<kml>
    <Response>
        <name>612 Prospect St Apt 304, Seattle, WA 98109</name>
        <Status>
            <code>200</code>
            <request>geocode</request>
        </Status>
        <Placemark id = "p1">
            <address>304 Prospect St, Seattle, WA 98109, USA</address>
            <AddressDetails Accuracy = "8">
                <Country>
                    <CountryNameCode>US</CountryNameCode>
                    <CountryName>USA</CountryName>
                    <AdministrativeArea>
                        <AdministrativeAreaName>WA</AdministrativeAreaName>
                        <Locality>
                            <LocalityName>Seattle</LocalityName>
                            <Thoroughfare>
                                <ThoroughfareName>304 Prospect
St</ThoroughfareName>
                            </Thoroughfare>
                            <PostalCode>
                                <PostalCodeNumber>98109</PostalCodeNumber>
                            </PostalCode>
                        </Locality>
                    </AdministrativeArea>
                </Country>
            </AddressDetails>
            <ExtendedData>
                <LatLonBox
                    north = "47.6320821"
                    south = "47.6257869"
                    east = "-122.3480025"
                    west = "-122.3542977"/>
            </ExtendedData>
            <Point>
                <coordinates>-122.3511501,47.6289345,0</coordinates>
            </Point>
        </Placemark>
    </Response>
</kml>

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