diff --git a/grrlib.doxygen b/grrlib.doxygen
index 65c81ab..8bb0737 100644
--- a/grrlib.doxygen
+++ b/grrlib.doxygen
@@ -1,4 +1,4 @@
-# Doxyfile 1.8.0
+# Doxyfile 1.8.1
 
 # This file describes the settings to be used by the documentation system
 # doxygen (www.doxygen.org) for a project
@@ -564,12 +564,6 @@ MAX_INITIALIZER_LINES  = 30
 
 SHOW_USED_FILES        = YES
 
-# If the sources in your project are distributed over multiple directories 
-# then setting the SHOW_DIRECTORIES tag to YES will show the directory hierarchy 
-# in the documentation. The default is NO.
-
-SHOW_DIRECTORIES       = NO
-
 # Set the SHOW_FILES tag to NO to disable the generation of the Files page. 
 # This will remove the Files entry from the Quick Index and from the 
 # Folder Tree View (if specified). The default is YES.
@@ -956,12 +950,6 @@ HTML_COLORSTYLE_GAMMA  = 80
 
 HTML_TIMESTAMP         = NO
 
-# If the HTML_ALIGN_MEMBERS tag is set to YES, the members of classes, 
-# files or namespaces will be aligned in HTML using tables. If set to 
-# NO a bullet list will be used.
-
-HTML_ALIGN_MEMBERS     = YES
-
 # If the HTML_DYNAMIC_SECTIONS tag is set to YES then the generated HTML 
 # documentation will contain sections that can be hidden and shown after the 
 # page has loaded. For this to work a browser that supports 
@@ -970,6 +958,17 @@ HTML_ALIGN_MEMBERS     = YES
 
 HTML_DYNAMIC_SECTIONS  = NO
 
+# With HTML_INDEX_NUM_ENTRIES one can control the preferred number of 
+# entries shown in the various tree structured indices initially; the user 
+# can expand and collapse entries dynamically later on. Doxygen will expand 
+# the tree to such a level that at most the specified number of entries are 
+# visible (unless a fully collapsed tree already exceeds this amount). 
+# So setting the number of entries 1 will produce a full collapsed tree by 
+# default. 0 is a special value representing an infinite number of entries 
+# and will result in a full expanded tree by default.
+
+HTML_INDEX_NUM_ENTRIES = 100
+
 # If the GENERATE_DOCSET tag is set to YES, additional index files 
 # will be generated that can be used as input for Apple's Xcode 3 
 # integrated development environment, introduced with OSX 10.5 (Leopard). 
@@ -1148,11 +1147,6 @@ GENERATE_TREEVIEW      = NO
 
 ENUM_VALUES_PER_LINE   = 4
 
-# By enabling USE_INLINE_TREES, doxygen will generate the Groups, Directories, 
-# and Class Hierarchy pages using a tree view instead of an ordered list.
-
-USE_INLINE_TREES       = NO
-
 # If the treeview is enabled (see GENERATE_TREEVIEW) then this tag can be 
 # used to set the initial width (in pixels) of the frame in which the tree 
 # is shown.
@@ -1715,7 +1709,7 @@ CALLER_GRAPH           = NO
 
 GRAPHICAL_HIERARCHY    = YES
 
-# If the DIRECTORY_GRAPH, SHOW_DIRECTORIES and HAVE_DOT tags are set to YES 
+# If the DIRECTORY_GRAPH and HAVE_DOT tags are set to YES 
 # then doxygen will show the dependencies a directory has on other directories 
 # in a graphical way. The dependency relations are determined by the #include 
 # relations between the files in the directories.