* doc/Doxyfile.in: Upgrade to Doxygen 1.3.9.

ChangeLog

+2004-10-08  Alexandre Duret-Lutz  <adl@src.lip6.fr>
+
+	* doc/Doxyfile.in: Upgrade to Doxygen 1.3.9.
+
 2004-09-27  Alexandre Duret-Lutz  <adl@src.lip6.fr>
 
 	* src/sanity/style.test: Suggest using "x->y", not "(*x).y".

doc/Doxyfile.in

-# Doxyfile 1.3.8
+# Doxyfile 1.3.9
 
 # This file describes the settings to be used by the documentation system
 # doxygen (www.doxygen.org) for a project
@@ -370,6 +370,12 @@ 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.
+
+SHOW_DIRECTORIES       = YES
+
 #---------------------------------------------------------------------------
 # configuration options related to warning and progress messages
 #---------------------------------------------------------------------------
@@ -958,7 +964,9 @@ INCLUDE_FILE_PATTERNS  =
 # are defined before the preprocessor is started (similar to the -D option of
 # gcc). The argument of the tag is a list of macros of the form: name
 # or name=definition (no spaces). If the definition and the = are
-# omitted =1 is assumed.
+# omitted =1 is assumed. To prevent a macro definition from being
+# undefined via #undef or recursively expanded use the := operator
+# instead of the = operator.
 
 PREDEFINED             =