added test similar to 143 but checking for AVT in local variables. Daniel

* tests/docs/Makefile.am tests/docs/bug-144.xml
  tests/general/Makefile.am tests/docs/bug-144*: added test
  similar to 143 but checking for AVT in local variables.
Daniel

tests/docs/Makefile.am

@@ -143,6 +143,7 @@ EXTRA_DIST =	\
 	bug-141.xml \
 	bug-142.xml \
 	bug-143.xml \
+	bug-144.xml \
 	character.xml \
 	array.xml \
 	items.xml

tests/docs/bug-144.xml

@@ -0,0 +1 @@
+<doc/>