applied 42 documentation patches from Charlie Bozeman. Regenerated the

* *.c include/libxml/*.h doc/html/*: applied 42 documentation
  patches from Charlie Bozeman. Regenerated the HTML docs.
Daniel
diff --git a/configure.in b/configure.in
index 819f83e..438783c 100644
--- a/configure.in
+++ b/configure.in
@@ -256,7 +256,7 @@
     echo Enabling multithreaded support
 
     AC_CHECK_HEADER(pthread.h,
-	AC_CHECK_LIB(pthread, pthread_mutex_lock,[
+	AC_CHECK_LIB(pthread, pthread_join,[
 	   THREAD_LIBS="-lpthread"
 	   AC_DEFINE(HAVE_LIBPTHREAD)
 	   AC_DEFINE(HAVE_PTHREAD_H)