report improvement more tests Daniel

* schematron.c: report improvement
* test/schematron/zvon* result/schematron/zvon*: more tests
Daniel
diff --git a/test/schematron/zvon12_1.xml b/test/schematron/zvon12_1.xml
new file mode 100644
index 0000000..3507f6b
--- /dev/null
+++ b/test/schematron/zvon12_1.xml
@@ -0,0 +1,3 @@
+<AAA>
+     <BBB bbb="CZ"/>
+</AAA>