fix xmlTextReaderSetup() description tests which were apparently never

* xmlreader.c: fix xmlTextReaderSetup() description
* test/relaxng/empty1.rng test/relaxng/comps_0.xml
  test/relaxng/empty1_0.xml test/relaxng/comps.rng
  test/relaxng/empty0.rng test/relaxng/empty0_0.xml
  test/relaxng/empty1_1.xml: tests which were apparently 
  never commited to CVS
Daniel

svn path=/trunk/; revision=3572
diff --git a/xmlreader.c b/xmlreader.c
index cd32cc3..1dc5af1 100644
--- a/xmlreader.c
+++ b/xmlreader.c
@@ -4846,10 +4846,11 @@
 /**
  * xmlTextReaderSetup:
  * @reader:  an XML reader
+ * @input: xmlParserInputBufferPtr used to feed the reader, will
+ *         be destroyed with it.
  * @URL:  the base URL to use for the document
  * @encoding:  the document encoding, or NULL
  * @options:  a combination of xmlParserOption
- * @reuse:  keep the context for reuse
  *
  * Setup an XML reader with new options
  *