diff --git a/doxyfile_options b/doxyfile_options
index 02009a1642..8712d0f52b 100644
--- a/doxyfile_options
+++ b/doxyfile_options
@@ -76,7 +76,7 @@ CREATE_SUBDIRS         = NO
 # U+3044.
 # The default value is: NO.
 
-ALLOW_UNICODE_NAMES    = NO
+#ALLOW_UNICODE_NAMES    = NO
 
 # The OUTPUT_LANGUAGE tag is used to specify the language in which all
 # documentation generated by doxygen is written. Doxygen will use this
@@ -357,7 +357,7 @@ DISTRIBUTE_GROUP_DOC   = NO
 # is disabled and one has to add nested compounds explicitly via \ingroup.
 # The default value is: NO.
 
-GROUP_NESTED_COMPOUNDS = NO
+#GROUP_NESTED_COMPOUNDS = NO
 
 # Set the SUBGROUPING tag to YES to allow class member groups of the same type
 # (for instance a group of public functions) to be put as a subgroup of that
@@ -528,7 +528,7 @@ HIDE_SCOPE_NAMES       = YES
 # YES the compound reference will be hidden.
 # The default value is: NO.
 
-HIDE_COMPOUND_REFERENCE= NO
+#HIDE_COMPOUND_REFERENCE= NO
 
 # If the SHOW_INCLUDE_FILES tag is set to YES then doxygen will put a list of
 # the files that are included by a file in the documentation of that file.
@@ -752,7 +752,7 @@ WARN_NO_PARAMDOC       = NO
 # a warning is encountered.
 # The default value is: NO.
 
-WARN_AS_ERROR          = NO
+#WARN_AS_ERROR          = NO
 
 # The WARN_FORMAT tag determines the format of the warning messages that doxygen
 # can produce. The string should contain the $file, $line, and $text tags, which
@@ -1041,7 +1041,7 @@ VERBATIM_HEADERS       = YES
 # generated with the -Duse-libclang=ON option for CMake.
 # The default value is: NO.
 
-CLANG_ASSISTED_PARSING = NO
+#CLANG_ASSISTED_PARSING = NO
 
 # If clang assisted parsing is enabled you can provide the compiler with command
 # line options that you would normally use when invoking the compiler. Note that
@@ -1049,7 +1049,7 @@ CLANG_ASSISTED_PARSING = NO
 # specified with INPUT and INCLUDE_PATH.
 # This tag requires that the tag CLANG_ASSISTED_PARSING is set to YES.
 
-CLANG_OPTIONS          = 
+#CLANG_OPTIONS          = 
 
 #---------------------------------------------------------------------------
 # Configuration options related to the alphabetical class index
@@ -1721,7 +1721,7 @@ LATEX_FOOTER           =
 # list).
 # This tag requires that the tag GENERATE_LATEX is set to YES.
 
-LATEX_EXTRA_STYLESHEET = 
+#LATEX_EXTRA_STYLESHEET = 
 
 # The LATEX_EXTRA_FILES tag can be used to specify one or more extra images or
 # other source files which should be copied to the LATEX_OUTPUT output
@@ -1788,7 +1788,7 @@ LATEX_BIB_STYLE        = plain
 # The default value is: NO.
 # This tag requires that the tag GENERATE_LATEX is set to YES.
 
-LATEX_TIMESTAMP        = NO
+#LATEX_TIMESTAMP        = NO
 
 #---------------------------------------------------------------------------
 # Configuration options related to the RTF output
@@ -1854,7 +1854,7 @@ RTF_EXTENSIONS_FILE    =
 # The default value is: NO.
 # This tag requires that the tag GENERATE_RTF is set to YES.
 
-RTF_SOURCE_CODE        = NO
+#RTF_SOURCE_CODE        = NO
 
 #---------------------------------------------------------------------------
 # Configuration options related to the man page output
@@ -1889,7 +1889,7 @@ MAN_EXTENSION          = .3
 # MAN_EXTENSION with the initial . removed.
 # This tag requires that the tag GENERATE_MAN is set to YES.
 
-MAN_SUBDIR             = 
+#MAN_SUBDIR             = 
 
 # If the MAN_LINKS tag is set to YES and doxygen generates man output, then it
 # will generate one additional man file for each entity documented in the real
@@ -1952,7 +1952,7 @@ DOCBOOK_OUTPUT         = docbook
 # The default value is: NO.
 # This tag requires that the tag GENERATE_DOCBOOK is set to YES.
 
-DOCBOOK_PROGRAMLISTING = NO
+#DOCBOOK_PROGRAMLISTING = NO
 
 #---------------------------------------------------------------------------
 # Configuration options for the AutoGen Definitions output
@@ -2383,7 +2383,7 @@ DIAFILE_DIRS           =
 # generate a warning when it encounters a \startuml command in this case and
 # will not generate output for the diagram.
 
-PLANTUML_JAR_PATH      = 
+#PLANTUML_JAR_PATH      = 
 
 # When using plantuml, the PLANTUML_CFG_FILE tag can be used to specify a
 # configuration file for plantuml.
@@ -2393,7 +2393,7 @@ PLANTUML_JAR_PATH      =
 # When using plantuml, the specified paths are searched for files specified by
 # the !include statement in a plantuml block.
 
-PLANTUML_INCLUDE_PATH  = 
+#PLANTUML_INCLUDE_PATH  = 
 
 # The DOT_GRAPH_MAX_NODES tag can be used to set the maximum number of nodes
 # that will be shown in the graph. If the number of nodes in a graph becomes