work around Doxygen bug triggered by r814874, which caused many classes to disappear

from the docs.

2 files changed, 3 insertions, 2 deletions

diff --git a/doc/Doxyfile.in b/doc/Doxyfile.in
index d700e7e0d..26f43944a 100644
--- a/doc/Doxyfile.in
+++ b/doc/Doxyfile.in
@@ -1174,7 +1174,8 @@ INCLUDE_FILE_PATTERNS  =
 # undefined via #undef or recursively expanded use the := operator 
 # instead of the = operator.
 
-PREDEFINED             = EIGEN_EMPTY_STRUCT
+PREDEFINED             = EIGEN_EMPTY_STRUCT \
+                         EIGEN_PARSED_BY_DOXYGEN
 
 # If the MACRO_EXPANSION and EXPAND_ONLY_PREDEF tags are set to YES then 
 # this tag can be used to specify a list of macro names that should be expanded. 
diff --git a/doc/Mainpage.dox b/doc/Mainpage.dox
index f54882fc9..ce869371b 100644
--- a/doc/Mainpage.dox
+++ b/doc/Mainpage.dox
@@ -12,4 +12,4 @@ The many other classes are typically return types for MatrixBase methods.
 
 */
 
-}
\ No newline at end of file
+}