Big changes, seems that 1.2.0 wasn't commited, here is 1.3.0, Daniel
diff --git a/configure.in b/configure.in
index 59e2d58..67eeaf0 100644
--- a/configure.in
+++ b/configure.in
@@ -2,7 +2,22 @@
AC_PREREQ(2.2)
AC_INIT(entities.h)
AM_CONFIG_HEADER(config.h)
-AM_INIT_AUTOMAKE(libxml, 1.1.0)
+
+LIBXML_MAJOR_VERSION=1
+LIBXML_MINOR_VERSION=3
+LIBXML_MICRO_VERSION=0
+LIBXML_VERSION=$LIBXML_MAJOR_VERSION.$LIBXML_MINOR_VERSION.$LIBXML_MICRO_VERSION
+LIBXML_VERSION_INFO=`expr $LIBXML_MAJOR_VERSION + $LIBXML_MINOR_VERSION`:$LIBXML_MICRO_VERSION:$LIBXML_MINOR_VERSION
+
+AC_SUBST(LIBXML_MAJOR_VERSION)
+AC_SUBST(LIBXML_MINOR_VERSION)
+AC_SUBST(LIBXML_MICRO_VERSION)
+AC_SUBST(LIBXML_VERSION)
+AC_SUBST(LIBXML_VERSION_INFO)
+
+VERSION=$LIBXML_VERSION
+
+AM_INIT_AUTOMAKE(libxml, $VERSION)
AC_ARG_WITH(html-dir, [ --with-html-dir=PATH path to installed docs ])