don't define obsolete doxygen variables that we don't use

diff --git a/doc/Doxyfile.in b/doc/Doxyfile.in
index 302af79..0ec8546 100644 (file)
--- a/doc/Doxyfile.in
+++ b/doc/Doxyfile.in
@@ -1456,31 +1456,6 @@ MAN_LINKS              = NO
 
 GENERATE_XML           = NO
 
 
 GENERATE_XML           = NO
 

-# The XML_OUTPUT tag is used to specify where the XML pages will be put.
-# If a relative path is entered the value of OUTPUT_DIRECTORY will be
-# put in front of it. If left blank `xml' will be used as the default path.
-
-XML_OUTPUT             = xml
-
-# The XML_SCHEMA tag can be used to specify an XML schema,
-# which can be used by a validating XML parser to check the
-# syntax of the XML files.
-
-XML_SCHEMA             =
-
-# The XML_DTD tag can be used to specify an XML DTD,
-# which can be used by a validating XML parser to check the
-# syntax of the XML files.
-
-XML_DTD                =
-
-# If the XML_PROGRAMLISTING tag is set to YES Doxygen will
-# dump the program listings (including syntax highlighting
-# and cross-referencing information) to the XML output. Note that
-# enabling this will significantly increase the size of the XML output.
-
-XML_PROGRAMLISTING     = YES
-

 #---------------------------------------------------------------------------
 # configuration options for the AutoGen Definitions output
 #---------------------------------------------------------------------------
 #---------------------------------------------------------------------------
 # configuration options for the AutoGen Definitions output
 #---------------------------------------------------------------------------