the recent commits explained

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                                   Changelog
 
+Daniel and Gisle (25 April 2004)
+- The file previously known as hostip.c has now undergone a huge cleanup and
+  split:
+
+  hostip.c explained
+  ==================
+
+  The main COMPILE-TIME DEFINES to keep in mind when reading the host*.c
+  source file are these:
+
+  CURLRES_IPV6 - this host has getaddrinfo() and family, and thus we use
+  that. The host may not be able to resolve IPv6, but we don't really have to
+  take that into account. Hosts that aren't IPv6-enabled have CURLRES_IPV4
+  defined.
+
+  CURLRES_ARES - is defined if libcurl is built to use c-ares for asynchronous
+  name resolves. It cannot have ENABLE_IPV6 defined at the same time, as
+  c-ares has no ipv6 support. This can be Windows or *nix.
+
+  CURLRES_THREADED - is defined if libcurl is built to run under (native)
+  Windows, and then the name resolve will be done in a new thread, and the
+  supported asynch API will be the same as for ares-builds.
+
+  If any of the two previous are defined, CURLRES_ASYNCH is defined too. If
+  libcurl is not built to use an asynchronous resolver, CURLRES_SYNCH is
+  defined.
+
+  The host*.c sources files are split up like this:
+
+  hostip.c   - method-independent resolver functions and utility functions
+  hostasyn.c - functions for asynchronous name resolves
+  hostsyn.c  - functions for synchronous name resolves
+  hostares.c - functions for ares-using name resolves
+  hostthre.c - functions for threaded name resolves
+  hostip4.c  - ipv4-specific functions
+  hostip6.c  - ipv6-specific functions
+
+  The hostip.h is the single united header file for all this. It defines the
+  CURLRES_* defines based on the config*.h and setup.h defines.
+
+- Added function header comments to many functions in an attempt to better
+  explain the purpose of them all.
+
+- configure --with-libidn is now supported. It makes the configure script
+  check for libidn libs and include files in the prefix path given. If you
+  say --with-libidn=/usr/local, it will check for the lib in /usr/local/lib
+  and the includes in /usr/local/include etc.
+
+- curl_version_info() now returns a struct aged CURLVERSION_THIRD including
+  libidn version info. The string curl_version() returns also includes libidn
+  version info, if available.
+
 Version 7.11.2 (26 April 2004)
 
 Daniel (25 April 2004)