
For Windows: the libxml2.dll, iconv.dll, zlib1.dll
are downloaded from http://www.zlatkovic.com/libxml.en.html
The .h files for libxml2 are in libxml/ subdirectory.
Also downloaded from the same place.

libxml/ is used only foor Windows.
iconv.h is also used only for Windows. For Unix both iconv.h and libxml/*.h
come from normal places, since these fales are included using <...>
