diff -rupN --no-dereference OpenSceneGraph-OpenSceneGraph-3.6.5/doc/Doxyfiles/all_Doxyfile OpenSceneGraph-OpenSceneGraph-3.6.5-new/doc/Doxyfiles/all_Doxyfile

--- OpenSceneGraph-OpenSceneGraph-3.6.5/doc/Doxyfiles/all_Doxyfile	2020-01-31 12:03:07.000000000 +0100

+++ OpenSceneGraph-OpenSceneGraph-3.6.5-new/doc/Doxyfiles/all_Doxyfile	2021-11-13 21:34:02.678773480 +0100

@@ -230,7 +230,7 @@ CLASS_DIAGRAMS         = YES

 MSCGEN_PATH            = 

 HIDE_UNDOC_RELATIONS   = YES

 HAVE_DOT               = YES

-DOT_FONTNAME           = FreeSans

+DOT_FONTNAME           = 

 DOT_FONTPATH           = 

 CLASS_GRAPH            = YES

 COLLABORATION_GRAPH    = NO

diff -rupN --no-dereference OpenSceneGraph-OpenSceneGraph-3.6.5/doc/Doxyfiles/auto_Doxyfile OpenSceneGraph-OpenSceneGraph-3.6.5-new/doc/Doxyfiles/auto_Doxyfile

--- OpenSceneGraph-OpenSceneGraph-3.6.5/doc/Doxyfiles/auto_Doxyfile	2020-01-31 12:03:07.000000000 +0100

+++ OpenSceneGraph-OpenSceneGraph-3.6.5-new/doc/Doxyfiles/auto_Doxyfile	2021-11-13 21:34:02.678773480 +0100

@@ -244,7 +244,7 @@ CLASS_DIAGRAMS         = YES

 MSCGEN_PATH            = 

 HIDE_UNDOC_RELATIONS   = YES

 HAVE_DOT               = YES

-DOT_FONTNAME           = FreeSans

+DOT_FONTNAME           = 

 DOT_FONTPATH           = 

 CLASS_GRAPH            = YES

 COLLABORATION_GRAPH    = NO

diff -rupN --no-dereference OpenSceneGraph-OpenSceneGraph-3.6.5/doc/Doxyfiles/core_Doxyfile OpenSceneGraph-OpenSceneGraph-3.6.5-new/doc/Doxyfiles/core_Doxyfile

--- OpenSceneGraph-OpenSceneGraph-3.6.5/doc/Doxyfiles/core_Doxyfile	2020-01-31 12:03:07.000000000 +0100

+++ OpenSceneGraph-OpenSceneGraph-3.6.5-new/doc/Doxyfiles/core_Doxyfile	2021-11-13 21:34:02.678773480 +0100

@@ -234,7 +234,7 @@ CLASS_DIAGRAMS         = YES

 MSCGEN_PATH            = 

 HIDE_UNDOC_RELATIONS   = YES

 HAVE_DOT               = YES

-DOT_FONTNAME           = FreeSans

+DOT_FONTNAME           = 

 DOT_FONTPATH           = 

 CLASS_GRAPH            = YES

 COLLABORATION_GRAPH    = NO