feat(xml): add XML functions

vendor/expat-2.0.1/amiga/README.txt

@@ -0,0 +1,66 @@
+SUMMARY
+=======
+This is a port of expat for AmigaOS 4.0 which includes the
+SDK, some XML tools and the libraries.
+
+Both static and shared library versions are supported.
+
+The static library version is limited to clib2 although it should
+be possible to use newlib with the appopriate compile options.
+
+The shared library version is based on the work of Fredrik Wikstrom
+and is currently limited to PPC only.
+
+
+HISTORY
+=======
+4.2  - updated to correspond to Expat 2.0.1 release
+     - bumped copyright banners and versions
+     - simplified amigaconfig.h
+     - updated include/libraries/expat.h file
+     - modified launch.c to use contructor/deconstructor
+     - removed need for amiga_main() from expat utilities
+
+4.1  - fixed memory freeing bug in shared library version
+     - now allocates shared memory
+
+4.0  - updated for corresponding Expat 2.0 release
+     - some minor CVS related changes
+
+3.1  - removed obsolete sfd file
+     - added library description xml file
+     - refactored Makefile
+     - removed extraneous VARARGS68K keywords
+     - reworked default memory handling functions in shared lib
+     - updated amigaconfig.h
+
+3.0  - initial release
+     - based on expat 1.95.8
+
+
+BUILDING
+========
+To build expat.library, xmlwf tool, examples and run the test suite,
+simply type 'make all' in the amiga subdirectory.
+
+The test suite will compile and run for both the static and shared
+library versions.
+
+
+INSTALLATION
+============
+To install both static and shared versions of expat into the
+AmigaOS SDK type 'make install' in the amiga subdirectory.
+
+
+CONFIGURATION
+=============
+You may want to edit the lib/amigaconfig.h file to remove
+DTD and/or XML namespace support if they are not required by your
+specific application for a smaller and faster implementation.
+
+
+TO DO
+=====
+- wide character support (UTF-16)
+- provide 68k backwards compatibility