README.rdoc in geoip-1.6.1 vs README.rdoc in geoip-1.6.2

@@ -8,10 +8,12 @@
 returns information about the country where the IP address is allocated,
 and the city, ISP and other information, if you have that database version.
 
 == FEATURES/PROBLEMS:
 
+Does not support the new Maxmind v2 database formats.
+
 Includes support for ASN data files, thanks to Roland Matiz.
 This release adds support for timezone names, thanks to Tonni Aagesen.
 
 If you have required 'io/extra' and have IO#pread, cross-process file-descriptor sharing is enabled.
 Each GeoIP instance keeps the file descriptor open, with a Mutex for thread-safety.
@@ -59,9 +61,20 @@
 request, ip, country_code, country_code2, country_code3, country_name, continent_code,
 region_name, city_name, postal_code, latitude, longitude, dma_code, area_code, timezone
 
   GeoIP.new('GeoIPASNum.dat').asn("www.fsb.ru")
   => ["AS8342", "RTComm.RU Autonomous System"]
+
+For testing or other purposes, you might wish to treat localhost IP addresses as
+some other address - an external one. You can do this by assigning the desired
+external IP address to the attribute local_ip_alias:
+
+  g = GeoIP.new('GeoIP.dat')
+  g.city("127.0.0.1")
+  => nil
+  g.local_ip_alias = "173.194.112.35"
+  g.city("127.0.0.1") 
+  #<struct GeoIP::City request="127.0.0.1", ip="173.194.112.35", country_code2="US", country_code3="USA", country_name="United States", continent_code="NA", region_name="CA", city_name="Mountain View", postal_code="94043", latitude=37.41919999999999, longitude=-122.0574, dma_code=807, area_code=650, timezone="America/Los_Angeles", real_region_name="California">
 
 == REQUIREMENTS:
 
 You need one of the free GeoLite country, city or ASN databases, or a subscription database version.
 The last known download locations for the GeoLite database versions are