TODO: Support IDNA2008

docs/TODO

@@ -25,6 +25,7 @@
  1.7 Detect when called from within callbacks
  1.8 Allow SSL (HTTPS) to proxy
  1.9 Cache negative name resolves
+ 1.10 Support IDNA2008
 
  2. libcurl - multi interface
  2.1 More non-blocking
@@ -218,6 +219,12 @@
  A name resolve that has failed is likely to fail when made again within a
  short period of time. Currently we only cache positive responses.
 
+1.10 Support IDNA2008
+
+ International Domain Names are supported in libcurl since years back, powered
+ by libidn. libidn implements IDNA2003 which has been superseded by IDNA2008.
+ libidn2 is an existing library offering support for IDNA2008.
+
 
 2. libcurl - multi interface