path: root/doc/config.doc

/******************************************************************************
 *
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 *
 * Copyright (C) 1997-2008 by Dimitri van Heesch.
 *
 * Permission to use, copy, modify, and distribute this software and its
 * documentation under the terms of the GNU General Public License is hereby 
 * granted. No representations are made about the suitability of this software 
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 * See the GNU General Public License for more details.
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/*! \page config Configuration

\section config_format Format

A configuration file is a free-form ASCII text file with a structure
that is similar to that of a Makefile, with the default name \c Doxyfile. It is
parsed by \c doxygen.  The file may contain tabs and newlines for
formatting purposes.  The statements in the file are case-sensitive.
Comments may be placed anywhere within the file (except within quotes).
Comments begin with the \# character and end at the end of the line.

The file essentially consists of a list of assignment statements.
Each statement consists of a \c TAG_NAME written in capitals,
followed by the <code>=</code> character and one or more values. If the same tag
is assigned more than once, the last assignment overwrites any earlier
assignment. For options that take a list as their argument,
the <code>+=</code> operator can be used instead of <code>=</code> to append 
new values to the list. Values are sequences of non-blanks. If the value should 
contain one or more blanks it must be surrounded by quotes (&quot;...&quot;).
Multiple lines can be concatenated by inserting a backslash (\\)
as the last character of a line. Environment variables can be expanded 
using the pattern <code>\$(ENV_VARIABLE_NAME)</code>.

You can also include part of a configuration file from another configuration
file using a <code>\@INCLUDE</code> tag as follows:
\verbatim
@INCLUDE = config_file_name
\endverbatim 
The include file is searched in the current working directory. You can 
also specify a list of directories that should be searched before looking
in the current working directory. Do this by putting a <code>\@INCLUDE_PATH</code> tag 
with these paths before the <code>\@INCLUDE</code> tag, e.g:
\verbatim
@INCLUDE_PATH = my_config_dir
\endverbatim

The configuration options can be divided into several categories.
Below is an alphabetical index of the tags that are recognized 
followed by the descriptions of the tags grouped by category.

\secreflist
\refitem cfg_abbreviate_brief ABBREVIATE_BRIEF
\refitem cfg_aliases ALIASES
\refitem cfg_allexternals ALLEXTERNALS 
\refitem cfg_alphabetical_index ALPHABETICAL_INDEX 
\refitem cfg_always_detailed_sec ALWAYS_DETAILED_SEC
\refitem cfg_binary_toc BINARY_TOC
\refitem cfg_builtin_stl_support BUILTIN_STL_SUPPORT
\refitem cfg_brief_member_desc BRIEF_MEMBER_DESC 
\refitem cfg_call_graph CALL_GRAPH
\refitem cfg_caller_graph CALLER_GRAPH
\refitem cfg_case_sense_names CASE_SENSE_NAMES 
\refitem cfg_chm_file CHM_FILE
\refitem cfg_class_diagrams CLASS_DIAGRAMS 
\refitem cfg_class_graph CLASS_GRAPH
\refitem cfg_collaboration_graph COLLABORATION_GRAPH
\refitem cfg_cols_in_alpha_index COLS_IN_ALPHA_INDEX
\refitem cfg_compact_latex COMPACT_LATEX 
\refitem cfg_compact_rtf COMPACT_RTF
\refitem cfg_cpp_cli_support CPP_CLI_SUPPORT
\refitem cfg_create_subdirs CREATE_SUBDIRS
\refitem cfg_details_at_top DETAILS_AT_TOP 
\refitem cfg_directory_graph DIRECTORY_GRAPH
\refitem cfg_disable_index DISABLE_INDEX 
\refitem cfg_distribute_group_doc DISTRIBUTE_GROUP_DOC
\refitem cfg_docset_bundle_id DOCSET_BUNDLE_ID
\refitem cfg_docset_feedname DOCSET_FEEDNAME
\refitem cfg_dot_fontname DOT_FONTNAME
\refitem cfg_dot_fontpath DOT_FONTPATH
\refitem cfg_dot_graph_max_nodes DOT_GRAPH_MAX_NODES
\refitem cfg_dot_image_format DOT_IMAGE_FORMAT
\refitem cfg_dot_multi_targets DOT_MULTI_TARGETS
\refitem cfg_dot_path DOT_PATH
\refitem cfg_dot_transparent DOT_TRANSPARENT
\refitem cfg_dotfile_dirs DOTFILE_DIRS
\refitem cfg_doxyfile_encoding DOXYFILE_ENCODING
\refitem cfg_enable_preprocessing ENABLE_PREPROCESSING
\refitem cfg_enum_values_per_line ENUM_VALUES_PER_LINE
\refitem cfg_enabled_sections ENABLED_SECTIONS
\refitem cfg_example_path EXAMPLE_PATH
\refitem cfg_example_patterns EXAMPLE_PATTERNS
\refitem cfg_example_recursive EXAMPLE_RECURSIVE
\refitem cfg_exclude EXCLUDE
\refitem cfg_exclude_patterns EXCLUDE_PATTERNS
\refitem cfg_exclude_symlinks EXCLUDE_SYMLINKS
\refitem cfg_expand_as_defined EXPAND_AS_DEFINED
\refitem cfg_expand_only_predef EXPAND_ONLY_PREDEF
\refitem cfg_external_groups EXTERNAL_GROUPS
\refitem cfg_extra_packages EXTRA_PACKAGES
\refitem cfg_extract_all EXTRACT_ALL
\refitem cfg_extract_anon_nspaces EXTRACT_ANON_NSPACES
\refitem cfg_extract_local_classes EXTRACT_LOCAL_CLASSES
\refitem cfg_extract_local_methods EXTRACT_LOCAL_METHODS
\refitem cfg_extract_private EXTRACT_PRIVATE
\refitem cfg_extract_static EXTRACT_STATIC
\refitem cfg_file_patterns FILE_PATTERNS
\refitem cfg_file_version_filter FILE_VERSION_FILTER
\refitem cfg_filter_patterns FILTER_PATTERNS
\refitem cfg_filter_source_files FILTER_SOURCE_FILES
\refitem cfg_formula_fontsize FORMULA_FONTSIZE
\refitem cfg_full_path_names FULL_PATH_NAMES
\refitem cfg_generate_autogen_def GENERATE_AUTOGEN_DEF
\refitem cfg_generate_buglist GENERATE_BUGLIST
\refitem cfg_generate_chi GENERATE_CHI
\refitem cfg_generate_deprecatedlist GENERATE_DEPRECIATEDLIST
\refitem cfg_generate_docset GENERATE_DOCSET
\refitem cfg_generate_html GENERATE_HTML
\refitem cfg_generate_htmlhelp GENERATE_HTMLHELP
\refitem cfg_generate_latex GENERATE_LATEX
\refitem cfg_generate_legend GENERATE_LEGEND
\refitem cfg_generate_man GENERATE_MAN
\refitem cfg_generate_perlmod GENERATE_PERLMOD
\refitem cfg_generate_rtf GENERATE_RTF
\refitem cfg_generate_tagfile GENERATE_TAGFILE
\refitem cfg_generate_testlist GENERATE_TESTLIST
\refitem cfg_generate_todolist GENERATE_TODOLIST
\refitem cfg_generate_treeview GENERATE_TREEVIEW
\refitem cfg_generate_xml GENERATE_XML
\refitem cfg_graphical_hierarchy GRAPHICAL_HIERARCHY
\refitem cfg_group_graphs GROUP_GRAPHS
\refitem cfg_have_dot HAVE_DOT
\refitem cfg_hhc_location HHC_LOCATION
\refitem cfg_hide_friend_compounds HIDE_FRIEND_COMPOUNDS
\refitem cfg_hide_in_body_docs HIDE_IN_BODY_DOCS
\refitem cfg_hide_scope_names HIDE_SCOPE_NAMES
\refitem cfg_hide_undoc_classes HIDE_UNDOC_CLASSES
\refitem cfg_hide_undoc_members HIDE_UNDOC_MEMBERS
\refitem cfg_hide_undoc_relations HIDE_UNDOC_RELATIONS
\refitem cfg_html_align_members HTML_ALIGN_MEMBERS
\refitem cfg_html_dynamic_sections HTML_DYNAMIC_SECTIONS
\refitem cfg_html_footer HTML_FOOTER
\refitem cfg_html_header HTML_HEADER
\refitem cfg_html_output HTML_OUTPUT
\refitem cfg_html_stylesheet HTML_STYLESHEET
\refitem cfg_idl_property_support IDL_PROPERTY_SUPPORT
\refitem cfg_ignore_prefix IGNORE_PREFIX
\refitem cfg_image_path IMAGE_PATH
\refitem cfg_include_graph INCLUDE_GRAPH
\refitem cfg_include_path INCLUDE_PATH
\refitem cfg_inherit_docs INHERIT_DOCS
\refitem cfg_inline_info INLINE_INFO
\refitem cfg_inline_inherited_memb INLINE_INHERITED_MEMB
\refitem cfg_inline_sources INLINE_SOURCES
\refitem cfg_input INPUT
\refitem cfg_input_encoding INPUT_ENCODING
\refitem cfg_input_filter INPUT_FILTER
\refitem cfg_internal_docs INTERNAL_DOCS
\refitem cfg_javadoc_autobrief JAVADOC_AUTOBRIEF
\refitem cfg_latex_batchmode LATEX_BATCHMODE
\refitem cfg_latex_cmd_name LATEX_CMD_NAME
\refitem cfg_latex_header LATEX_HEADER
\refitem cfg_latex_hide_indices LATEX_HIDE_INDICES
\refitem cfg_latex_output LATEX_OUTPUT
\refitem cfg_macro_expansion MACRO_EXPANSION
\refitem cfg_makeindex_cmd_name MAKEINDEX_CMD_NAME
\refitem cfg_man_extension MAN_EXTENSION
\refitem cfg_man_links MAN_LINKS
\refitem cfg_man_output MAN_OUTPUT
\refitem cfg_max_dot_graph_depth MAX_DOT_GRAPH_DEPTH
\refitem cfg_max_initializer_lines MAX_INITIALIZER_LINES
\refitem cfg_mscgen_path MSCGEN_PATH
\refitem cfg_multiline_cpp_is_brief MULTILINE_CPP_IS_BRIEF
\refitem cfg_optimize_for_fortran OPTIMIZE_FOR_FORTRAN
\refitem cfg_optimize_output_for_c OPTIMIZE_OUTPUT_FOR_C
\refitem cfg_optimize_output_java OPTIMIZE_OUTPUT_JAVA
\refitem cfg_optimize_output_vhdl OPTIMIZE_OUTPUT_VHDL
\refitem cfg_output_directory OUTPUT_DIRECTORY
\refitem cfg_output_language OUTPUT_LANGUAGE
\refitem cfg_paper_type PAPER_TYPE
\refitem cfg_pdf_hyperlinks PDF_HYPERLINKS
\refitem cfg_perl_path PERL_PATH
\refitem cfg_perlmod_latex PERLMOD_LATEX
\refitem cfg_perlmod_pretty PERLMOD_PRETTY
\refitem cfg_perlmod_makevar_prefix PERLMOD_MAKEVAR_PREFIX
\refitem cfg_predefined PREDEFINED
\refitem cfg_project_name PROJECT_NAME
\refitem cfg_project_number PROJECT_NUMBER
\refitem cfg_qt_autobrief QT_AUTOBRIEF
\refitem cfg_quiet QUIET
\refitem cfg_recursive RECURSIVE
\refitem cfg_referenced_by_relation REFERENCED_BY_RELATION
\refitem cfg_references_relation REFERENCES_RELATION
\refitem cfg_references_link_source REFERENCES_LINK_SOURCE
\refitem cfg_repeat_brief REPEAT_BRIEF
\refitem cfg_rtf_extensions_file RTF_EXTENSIONS_FILE
\refitem cfg_rtf_hyperlinks RTF_HYPERLINKS
\refitem cfg_rtf_output RTF_OUTPUT
\refitem cfg_rtf_stylesheet_file RTF_STYLESHEET_FILE
\refitem cfg_search_includes SEARCH_INCLUDES
\refitem cfg_searchengine SEARCHENGINE
\refitem cfg_separate_member_pages SEPARATE_MEMBER_PAGES
\refitem cfg_short_names SHORT_NAMES
\refitem cfg_show_dirs SHOW_DIRECTORIES
\refitem cfg_show_files SHOW_FILES
\refitem cfg_show_include_files SHOW_INCLUDE_FILES
\refitem cfg_show_namespaces SHOW_NAMESPACES
\refitem cfg_show_used_files SHOW_USED_FILES
\refitem cfg_sip_support SIP_SUPPORT
\refitem cfg_skip_function_macros SKIP_FUNCTION_MACROS
\refitem cfg_sort_brief_docs SORT_BRIEF_DOCS
\refitem cfg_sort_by_scope_name SORT_BY_SCOPE_NAME
\refitem cfg_sort_group_names SORT_GROUP_NAMES
\refitem cfg_sort_member_docs SORT_MEMBER_DOCS
\refitem cfg_source_browser SOURCE_BROWSER
\refitem cfg_strip_code_comments STRIP_CODE_COMMENTS
\refitem cfg_strip_from_inc_path STRIP_FROM_INC_PATH
\refitem cfg_strip_from_path STRIP_FROM_PATH
\refitem cfg_subgrouping SUBGROUPING
\refitem cfg_tab_size TAB_SIZE
\refitem cfg_tagfiles TAGFILES
\refitem cfg_template_relations TEMPLATE_RELATIONS
\refitem cfg_toc_expand TOC_EXPAND
\refitem cfg_treeview_width TREEVIEW_WIDTH
\refitem cfg_typedef_hides_struct TYPEDEF_HIDES_STRUCT
\refitem cfg_uml_look UML_LOOK
\refitem cfg_use_htags USE_HTAGS
\refitem cfg_use_pdflatex USE_PDFLATEX
\refitem cfg_use_windows_encoding USE_WINDOWS_ENCODING
\refitem cfg_verbatim_headers VERBATIM_HEADERS
\refitem cfg_warn_format WARN_FORMAT
\refitem cfg_warn_if_doc_error WARN_IF_DOC_ERROR
\refitem cfg_warn_if_undocumented WARN_IF_UNDOCUMENTED
\refitem cfg_warn_logfile WARN_LOGFILE
\refitem cfg_warn_no_paramdoc WARN_NO_PARAMDOC
\refitem cfg_warnings WARNINGS
\refitem cfg_xml_dtd XML_DTD
\refitem cfg_xml_output XML_OUTPUT
\refitem cfg_xml_programlisting XML_PROGRAMLISTING
\refitem cfg_xml_schema XML_SCHEMA
\endsecreflist

\section config_project Project related options
\anchor cfg_doxyfile_encoding
<dl>

<dt>\c DOXYFILE_ENCODING <dd>
 \addindex DOXYFILE_ENCODING
 This tag specifies the encoding used for all characters in the config file that 
 follow. The default is UTF-8 which is also the encoding used for all text before
 the first occurrence of this tag. Doxygen uses libiconv (or the iconv built into
 libc) for the transcoding. See http://www.gnu.org/software/libiconv for the list of
 possible encodings.

\anchor cfg_project_name
<dt>\c PROJECT_NAME <dd>
 \addindex PROJECT_NAME
 The \c PROJECT_NAME tag is a single word (or a sequence of words
 surrounded by double-quotes) that should identify the project for which the 
 documentation is generated. This name is used in the title of most 
 generated pages and in a few other places.

\anchor cfg_project_number
<dt>\c PROJECT_NUMBER <dd>
 \addindex PROJECT_NUMBER
 The \c PROJECT_NUMBER tag can be used to enter a project or revision number.
 This could be handy for archiving the generated documentation or
 if some version control system is used.

\anchor cfg_output_directory
<dt>\c OUTPUT_DIRECTORY <dd> 
 \addindex OUTPUT_DIRECTORY
 The \c OUTPUT_DIRECTORY tag is used to specify the (relative or absolute) 
 path into which the generated documentation will be written. 
 If a relative path is entered, it will be relative to the location 
 where doxygen was started. If left blank the current directory will be used.

\anchor cfg_create_subdirs
<dt>\c CREATE_SUBDIRS <dd> 
 \addindex CREATE_SUBDIRS
 If the \c CREATE_SUBDIRS tag is set to \c YES, then doxygen will create
 4096 sub-directories (in 2 levels) under the output directory of each output 
 format and will distribute the generated files over these directories. 
 Enabling this option can be useful when feeding doxygen a huge amount of source
 files, where putting all generated files in the same directory would otherwise
 causes performance problems for the file system. 

\anchor cfg_output_language
<dt>\c OUTPUT_LANGUAGE <dd>
 \addindex OUTPUT_LANGUAGE
 The \c OUTPUT_LANGUAGE tag is used to specify the language in which all
 documentation generated by doxygen is written. Doxygen will use this
 information to generate all constant output in the proper language.
 The default language is English, other supported languages are:
 Afrikaans, Arabic, Brazilian, Catalan, Chinese, Croatian, Czech, Danish, Dutch, 
 Finnish, French, German, Greek, Hungarian, Italian, Japanese, Korean, 
 Lithuanian, Norwegian, Persian, Polish, Portuguese, Romanian, Russian, Serbian, 
 Slovak, Slovene, Spanish, Swedish, and Ukrainian.

\anchor cfg_use_windows_encoding
<dt>\c USE_WINDOWS_ENCODING <dd>
 \addindex USE_WINDOWS_ENCODING
 This tag can be used to specify the encoding used in the generated output. 
 The encoding is not always determined by the language that is chosen, 
 but also whether or not the output is meant for Windows or non-Windows users.
 In case there is a difference, setting the \c USE_WINDOWS_ENCODING tag to \c YES
 forces the Windows encoding, (this is the default for the Windows binary),
 whereas setting the tag to \c NO uses a Unix-style encoding (the default for
 all platforms other than Windows).

\anchor cfg_brief_member_desc
<dt>\c BRIEF_MEMBER_DESC <dd>
 \addindex BRIEF_MEMBER_DESC
 If the \c BRIEF_MEMBER_DESC tag is set to \c YES (the default) doxygen will
 include brief member descriptions after the members that are listed in
 the file and class documentation (similar to JavaDoc).
 Set to NO to disable this.

\anchor cfg_repeat_brief
<dt>\c REPEAT_BRIEF <dd>
 \addindex REPEAT_BRIEF
 If the \c REPEAT_BRIEF tag is set to \c YES (the default) doxygen will 
 prepend the brief description of a member or function before the detailed 
 description 

 \par Note: 
 If both \c HIDE_UNDOC_MEMBERS and \c BRIEF_MEMBER_DESC are set to \c NO, the 
 brief descriptions will be completely suppressed.

\anchor cfg_abbreviate_brief
<dt>\c ABBREVIATE_BRIEF <dd>
 \addindex ABBREVIATE_BRIEF
 This tag implements a quasi-intelligent brief description abbreviator
 that is used to form the text in various listings. Each string
 in this list, if found as the leading text of the brief description, will be
 stripped from the text and the result after processing the whole list, is used
 as the annotated text. Otherwise, the brief description is used as-is. If left
 blank, the following values are used ("\$name" is automatically replaced with the
 name of the entity): "The $name class" "The $name widget" "The $name file"
 "is" "provides" "specifies" "contains" "represents" "a" "an" "the".

\anchor cfg_always_detailed_sec
<dt>\c ALWAYS_DETAILED_SEC <dd>
 \addindex ALWAYS_DETAILED_SEC
 If the \c ALWAYS_DETAILED_SEC and \c REPEAT_BRIEF tags are both set to \c YES then
 doxygen will generate a detailed section even if there is only a brief
 description.

\anchor cfg_inline_inherited_memb
<dt>\c INLINE_INHERITED_MEMB <dd>
\addindex INLINE_INHERITED_MEMB
 If the \c INLINE_INHERITED_MEMB tag is set to \c YES, doxygen will show all inherited
 members of a class in the documentation of that class as if those members were
 ordinary class members. Constructors, destructors and assignment operators of
 the base classes will not be shown.

\anchor cfg_full_path_names
<dt>\c FULL_PATH_NAMES <dd>
 \addindex FULL_PATH_NAMES
 If the \c FULL_PATH_NAMES tag is set to \c YES doxygen will prepend the full
 path before files name in the file list and in the header files. If set
 to NO the shortest path that makes the file name unique will be used

\anchor cfg_strip_from_path
<dt>\c STRIP_FROM_PATH <dd>
 \addindex STRIP_FROM_PATH
 If the \c FULL_PATH_NAMES tag is set to \c YES then the \c STRIP_FROM_PATH tag
 can be used to strip a user-defined part of the path. Stripping is
 only done if one of the specified strings matches the left-hand part of the 
 path. The tag can be used to show relative paths in the file list.
 If left blank the directory from which doxygen is run is used as the
 path to strip.

\anchor cfg_strip_from_inc_path
<dt>\c STRIP_FROM_INC_PATH <dd>
 \addindex STRIP_FROM_INC_PATH
 The \c STRIP_FROM_INC_PATH tag can be used to strip a user-defined part of 
 the path mentioned in the documentation of a class, which tells
 the reader which header file to include in order to use a class. 
 If left blank only the name of the header file containing the class
 definition is used. Otherwise one should specify the include paths that 
 are normally passed to the compiler using the -I flag.



\anchor cfg_case_sense_names
<dt>\c CASE_SENSE_NAMES <dd>
 \addindex CASE_SENSE_NAMES
 If the \c CASE_SENSE_NAMES tag is set to \c NO then doxygen
 will only generate file names in lower-case letters. If set to
 \c YES upper-case letters are also allowed. This is useful if you have
 classes or files whose names only differ in case and if your file system
 supports case sensitive file names. Windows users are advised to set this
 option to NO.

\anchor cfg_short_names
<dt>\c SHORT_NAMES <dd>
 \addindex SHORT_NAMES
 If the \c SHORT_NAMES tag is set to \c YES, doxygen will generate much shorter
 (but less readable) file names. This can be useful is your file systems
 doesn't support long names like on DOS, Mac, or CD-ROM.

\anchor cfg_javadoc_autobrief
<dt>\c JAVADOC_AUTOBRIEF <dd>
 \addindex JAVADOC_AUTOBRIEF
  If the \c JAVADOC_AUTOBRIEF is set to \c YES then doxygen
  will interpret the first line (until the first dot) of a JavaDoc-style
  comment as the brief description. If set to NO (the default), the 
  Javadoc-style will behave just like regular Qt-style comments
  (thus requiring an explicit \@brief command for a brief description.)

\anchor cfg_qt_autobrief
<dt>\c QT_AUTOBRIEF <dd>
 \addindex QT_AUTOBRIEF
  If the \c QT_AUTOBRIEF is set to \c YES then doxygen
  will interpret the first line (until the first dot) of a Qt-style
  comment as the brief description. If set to NO (the default), the
  Qt-style will behave just like regular Qt-style comments (thus
  requiring an explicit \\brief command for a brief description.)

\anchor cfg_builtin_stl_support
<dt>\c BUILTIN_STL_SUPPORT <dd>
 \addindex BUILTIN_STL_SUPPORT
 If you use STL classes (i.e. std::string, std::vector, etc.) but do not want to
 include (a tag file for) the STL sources as input, then you should
 set this tag to \c YES in order to let doxygen match functions declarations and
 definitions whose arguments contain STL classes (e.g. func(std::string); v.s.
 func(std::string) {}). This also make the inheritance and collaboration
 diagrams that involve STL classes more complete and accurate.

\anchor cfg_cpp_cli_support
<dt>\c CPP_CLI_SUPPORT <dd>
 \addindex CPP_CLI_SUPPORT
 If you use Microsoft's C++/CLI language, you should set this option to YES to
 enable parsing support.

\anchor cfg_sip_support
<dt>\c SIP_SUPPORT <dd>
 \addindex OPTIMIZE_OUTPUT_SIP
 Set the SIP_SUPPORT tag to YES if your project consists 
 of <a href="http://www.riverbankcomputing.co.uk/sip/">sip</a> sources only. 
 Doxygen will parse them like normal C++ but will assume all classes use public 
 instead of private inheritance when no explicit protection keyword is present. 

\anchor cfg_idl_property_support
<dt>\c IDL_PROPERTY_SUPPORT <dd>
 \addindex IDL_PROPERTY_SUPPORT
 For Microsoft's IDL there are propget and propput attributes to indicate getter
 and setter methods for a property. Setting this option to \c YES (the default)
 will make doxygen to replace the get and set methods by a property in the
 documentation. This will only work if the methods are indeed getting or 
 setting a simple type. If this is not the case, or you want to show the 
 methods anyway, you should set this option to \c NO.

\anchor cfg_distribute_group_doc
<dt>\c DISTRIBUTE_GROUP_DOC <dd>
 \addindex DISTRIBUTE_GROUP_DOC
 If member grouping is used in the documentation and the DISTRIBUTE_GROUP_DOC
 tag is set to YES, then doxygen will reuse the documentation of the first
 member in the group (if any) for the other members of the group. By default
 all members of a group must be documented explicitly.

\anchor cfg_multiline_cpp_is_brief
<dt>\c MULTILINE_CPP_IS_BRIEF <dd>
 \addindex MULTILINE_CPP_IS_BRIEF
  The MULTILINE_CPP_IS_BRIEF tag can be set to YES to make Doxygen
  treat a multi-line C++ special comment block (i.e. a block of //! or ///
  comments) as a brief description. This used to be the default behaviour.
  The new default is to treat a multi-line C++ comment block as a detailed
  description. Set this tag to YES if you prefer the old behaviour instead.
  Note that setting this tag to YES also means that rational rose comments
  are not recognized any more.

\anchor cfg_details_at_top
<dt>\c DETAILS_AT_TOP <dd>
 \addindex DETAILS_AT_TOP
  If the DETAILS_AT_TOP tag is set to YES then Doxygen
  will output the detailed description near the top, like JavaDoc.
  If set to NO, the detailed description appears after the member
  documentation.

\anchor cfg_inherit_docs
<dt>\c INHERIT_DOCS <dd>
 \addindex INHERIT_DOCS
 If the \c INHERIT_DOCS tag is set to \c YES (the default) then an undocumented
 member inherits the documentation from any documented member that it
 re-implements.

\anchor cfg_separate_member_pages
<dt>\c SEPARATE_MEMBER_PAGES <dd>
 \addindex SEPARATE_MEMBER_PAGES
 If the \c SEPARATE_MEMBER_PAGES tag is set to \c YES, then doxygen will produce
 a new page for each member. If set to \c NO, the documentation of a member will
 be part of the file/class/namespace that contains it.

\anchor cfg_tab_size
<dt>\c TAB_SIZE <dd>
 \addindex TAB_SIZE
 the \c TAB_SIZE tag can be used to set the number of spaces in a tab.
 Doxygen uses this value to replace tabs by spaces in code fragments.

\anchor cfg_aliases
<dt>\c ALIASES <dd>
 \addindex ALIASES
 This tag can be used to specify a number of aliases that acts 
 as commands in the documentation. An alias has the form 
\verbatim
 name=value
\endverbatim
 For example adding 
\verbatim
 "sideeffect=\par Side Effects:\n" 
\endverbatim
 will allow you to
 put the command \\sideeffect (or \@sideeffect) in the documentation, which 
 will result in a user-defined paragraph with heading "Side Effects:".
 You can put \\n's in the value part of an alias to insert newlines.

\anchor cfg_optimize_output_for_c
<dt>\c OPTIMIZE_OUTPUT_FOR_C <dd>
 \addindex OPTIMIZE_OUTPUT_FOR_C
 Set the \c OPTIMIZE_OUTPUT_FOR_C tag to \c YES if your project consists 
 of C sources only. Doxygen will then generate output that is more tailored 
 for C. For instance, some of the names that are used will be different. 
 The list of all members will be omitted, etc. 

\anchor cfg_optimize_output_java
<dt>\c OPTIMIZE_OUTPUT_JAVA <dd>
 \addindex OPTIMIZE_OUTPUT_JAVA
 Set the OPTIMIZE_OUTPUT_JAVA tag to YES if your project consists of Java or
 Python sources only. Doxygen will then generate output that is more tailored 
 for that language. For instance, namespaces will be presented as packages, 
 qualified scopes will look different, etc. 

\anchor cfg_optimize_for_fortran
<dt>\c OPTIMIZE_FOR_FORTRAN <dd>
 \addindex OPTIMIZE_FOR_FORTRAN
Set the \c OPTIMIZE_FOR_FORTRAN tag to \c YES if your project consists of Fortran 
sources. Doxygen will then generate output that is tailored for Fortran.

\anchor cfg_optimize_output_vhdl
<dt>\c OPTIMIZE_OUTPUT_VHDL <dd>
 \addindex OPTIMIZE_OUTPUT_VHDL
Set the \c OPTIMIZE_OUTPUT_VHDL tag to \c YES if your project consists of VHDL 
sources. Doxygen will then generate output that is tailored for VHDL.

\anchor cfg_subgrouping
<dt>\c SUBGROUPING <dd>
 \addindex SUBGROUPING
 Set the \c SUBGROUPING tag to \c YES (the default) to allow class member groups of
 the same type (for instance a group of public functions) to be put as a
 subgroup of that type (e.g. under the Public Functions section). Set it to
 \c NO to prevent subgrouping. Alternatively, this can be done per class using
 the \ref cmdnosubgrouping "\\nosubgrouping" command. 

\anchor cfg_typedef_hides_struct 
<dt>\c TYPEDEF_HIDES_STRUCT <dd>
 \addindex TYPEDEF_HIDES_STRUCT
 When \c TYPEDEF_HIDES_STRUCT is enabled, a typedef of a struct, union, or enum
 is documented as struct, union, or enum with the name of the typedef. So 
 <code>typedef struct TypeS {} TypeT</code>, will appear in the documentation as a struct 
 with name \c TypeT. When disabled the typedef will appear as a member of a file, 
 namespace, or class. And the struct will be named \c TypeS. This can typically 
 be useful for C code in case the coding convention dictates that all compound 
 types are typedef'ed and only the typedef is referenced, never the tag name.

</dl>

\section config_build Build related options
\anchor cfg_extract_all
<dl>

<dt>\c EXTRACT_ALL <dd>
 \addindex EXTRACT_ALL
 If the \c EXTRACT_ALL tag is set to \c YES doxygen will assume all 
 entities in documentation are documented, even if no documentation was 
 available. Private class members and static file members will be hidden 
 unless the \c EXTRACT_PRIVATE and \c EXTRACT_STATIC tags are set to \c YES

 \par Note: 
 This will also disable the warnings about undocumented members 
 that are normally produced when \c WARNINGS is set to \c YES

\anchor cfg_extract_private
<dt>\c EXTRACT_PRIVATE <dd>
 \addindex EXTRACT_PRIVATE
 If the \c EXTRACT_PRIVATE tag is set to \c YES all private members of a 
 class will be included in the documentation.

\anchor cfg_extract_static
<dt>\c EXTRACT_STATIC <dd>
 \addindex EXTRACT_STATIC
 If the \c EXTRACT_STATIC tag is set to \c YES all static members of a file
 will be included in the documentation.

\anchor cfg_extract_local_classes
<dt>\c EXTRACT_LOCAL_CLASSES <dd>
 \addindex EXTRACT_LOCAL_CLASSES
 If the \c EXTRACT_LOCAL_CLASSES tag is set to \c YES classes (and structs) 
 defined locally in source files will be included in the documentation. 
 If set to NO only classes defined in header files are included. Does not
 have any effect for Java sources.

\anchor cfg_extract_anon_nspaces
<dt>\c EXTRACT_ANON_NSPACES <dd>
 \addindex EXTRACT_ANON_NSPACES
 If this flag is set to YES, the members of anonymous namespaces will be extracted
 and appear in the documentation as a namespace called 'anonymous_namespace{file}',
 where file will be replaced with the base name of the file that contains the anonymous
 namespace. By default anonymous namespace are hidden.

\anchor cfg_extract_local_methods
<dt>\c EXTRACT_LOCAL_METHODS <dd>
 \addindex EXTRACT_LOCAL_METHODS
 This flag is only useful for Objective-C code. When set to \c YES local 
 methods, which are defined in the implementation section but not in
 the interface are included in the documentation.
 If set to \c NO (the default) only methods in the interface are included.

\anchor cfg_hide_undoc_members
<dt>\c HIDE_UNDOC_MEMBERS <dd>
 \addindex HIDE_UNDOC_MEMBERS
 If the \c HIDE_UNDOC_MEMBERS tag is set to \c YES, doxygen will hide all
 undocumented members inside documented classes or files. 
 If set to \c NO (the default) these members will be included in the
 various overviews, but no documentation section is generated.
 This option has no effect if \c EXTRACT_ALL is enabled.

\anchor cfg_hide_undoc_classes
<dt>\c HIDE_UNDOC_CLASSES <dd>
 \addindex HIDE_UNDOC_CLASSES
 If the \c HIDE_UNDOC_CLASSESS tag is set to \c YES, doxygen will hide all
 undocumented classes.
 If set to \c NO (the default) these classes will be included in the
 various overviews.
 This option has no effect if \c EXTRACT_ALL is enabled.

\anchor cfg_hide_friend_compounds
<dt>\c HIDE_FRIEND_COMPOUNDS <dd>
 \addindex HIDE_FRIEND_COMPOUNDS
 If the \c HIDE_FRIEND_COMPOUNDS tag is set to \c YES, Doxygen will hide all
 friend (class|struct|union) declarations.
 If set to \c NO (the default) these declarations will be included in the
 documentation.
 
\anchor cfg_hide_in_body_docs
<dt>\c HIDE_IN_BODY_DOCS <dd>
 \addindex HIDE_IN_BODY_DOCS
If the \c HIDE_IN_BODY_DOCS tag is set to \c YES, Doxygen will hide any 
documentation blocks found inside the body of a function.
If set to \c NO (the default) these blocks will be appended to the 
function's detailed documentation block.
 
\anchor cfg_internal_docs
<dt>\c INTERNAL_DOCS <dd>
 \addindex INTERNAL_DOCS
 The \c INTERNAL_DOCS tag determines if documentation
 that is typed after a \ref cmdinternal "\\internal" command is included. If the tag is set
 to \c NO (the default) then the documentation will be excluded.
 Set it to \c YES to include the internal documentation.

\anchor cfg_hide_scope_names
<dt>\c HIDE_SCOPE_NAMES <dd>
 \addindex HIDE_SCOPE_NAMES
 If the \c HIDE_SCOPE_NAMES tag is set to \c NO (the default) then doxygen 
 will show members with their full class and namespace scopes in the
 documentation. If set to \c YES the scope will be hidden. 

\anchor cfg_show_include_files
<dt>\c SHOW_INCLUDE_FILES <dd>
 \addindex SHOW_INCLUDE_FILES
 If the SHOW_INCLUDE_FILES tag is set to YES (the default) then doxygen
 will put a list of the files that are included by a file in the documentation 
 of that file.

\anchor cfg_inline_info
<dt>\c INLINE_INFO <dd>
 \addindex INLINE_INFO 
 If the \c INLINE_INFO tag is set to \c YES (the default) then a tag [inline]
 is inserted in the documentation for inline members.

\anchor cfg_sort_member_docs
<dt>\c SORT_MEMBER_DOCS <dd>
 \addindex SORT_MEMBER_DOCS
 If the \c SORT_MEMBER_DOCS tag is set to \c YES (the default) then doxygen
 will sort the (detailed) documentation of file and class members
 alphabetically by member name. If set to \c NO the members will appear in
 declaration order.

\anchor cfg_sort_brief_docs
<dt>\c SORT_BRIEF_DOCS <dd>
 \addindex SORT_BRIEF_DOCS
 If the \c SORT_BRIEF_DOCS tag is set to \c YES then doxygen will sort the
 brief descriptions of file, namespace and class members alphabetically
 by member name. If set to \c NO (the default) the members will appear in
 declaration order.


\anchor cfg_sort_group_names
<dt>\c SORT_GROUP_NAMES <dd>
 \addindex SORT_GROUP_NAMES
 If the \c SORT_GROUP_NAMES tag is set to \c YES then doxygen will sort the 
 hierarchy of group names into alphabetical order. If set to \c NO (the default)
 the group names will appear in their defined order. 

\anchor cfg_sort_by_scope_name
<dt>\c SORT_BY_SCOPE_NAME <dd>
 \addindex SORT_BY_SCOPE_NAME
 If the \c SORT_BY_SCOPE_NAME tag is set to \c YES, the class list will be
 sorted by fully-qualified names, including namespaces. If set to
 NO (the default), the class list will be sorted only by class name,
 not including the namespace part.
 @note This option is not very useful if \c HIDE_SCOPE_NAMES is set to \c YES.
 @note This option applies only to the class list, not to the 
       alphabetical list.


\anchor cfg_generate_deprecatedlist
<dt>\c GENERATE_DEPRECATEDLIST <dd>
 \addindex GENERATE_DEPRECATEDLIST
 The GENERATE_DEPRECATEDLIST tag can be used to enable (YES) or
 disable (NO) the deprecated list. This list is created by 
 putting \ref cmddeprecated "\\deprecated"
 commands in the documentation.

\anchor cfg_generate_todolist
<dt>\c GENERATE_TODOLIST <dd>
 \addindex GENERATE_TODOLIST
 The GENERATE_TODOLIST tag can be used to enable (YES) or
 disable (NO) the todo list. This list is created by 
 putting \ref cmdtodo "\\todo"
 commands in the documentation.

\anchor cfg_generate_testlist
<dt>\c GENERATE_TESTLIST <dd>
 \addindex GENERATE_TESTLIST
 The GENERATE_TESTLIST tag can be used to enable (YES) or
 disable (NO) the test list. This list is created by 
 putting \ref cmdtest "\\test" commands in the documentation.

\anchor cfg_generate_buglist
<dt>\c GENERATE_BUGLIST <dd>
 \addindex GENERATE_BUGLIST
 The GENERATE_BUGLIST tag can be used to enable (YES) or
 disable (NO) the bug list. This list is created by 
 putting \ref cmdbug "\\bug" commands in the documentation.

\anchor cfg_enabled_sections
<dt>\c ENABLED_SECTIONS <dd>
 \addindex ENABLED_SECTIONS
 The \c ENABLED_SECTIONS tag can be used to enable conditional
 documentation sections, marked by \ref cmdif "\\if" \<section-label\> ... 
 \ref cmdendif "\\endif" and \ref cmdcond "\\cond" \<section-label\> ...
 \ref cmdendcond "\\endcond" blocks.

\anchor cfg_max_initializer_lines
<dt>\c MAX_INITIALIZER_LINES <dd>
 \addindex MAX_INITIALIZER_LINES
 The \c MAX_INITIALIZER_LINES tag determines the maximum number of lines
 that the initial value of a variable or define can be. If the initializer
 consists of more lines than specified here it will be hidden. Use a value
 of 0 to hide initializers completely. The appearance of the value of
 individual variables and defines can be controlled using \ref cmdshowinitializer "\\showinitializer"
 or \ref cmdhideinitializer "\\hideinitializer" command in the documentation.

\anchor cfg_show_used_files
<dt>\c SHOW_USED_FILES <dd>
 \addindex SHOW_USED_FILES
 Set the \c SHOW_USED_FILES tag to \c NO to disable the list of files generated
 at the bottom of the documentation of classes and structs. If set to \c YES the
 list will mention the files that were used to generate the documentation.

\anchor cfg_show_dirs
<dt>\c SHOW_DIRECTORIES <dd>
 \addindex SHOW_DIRECTORIES
 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.

\anchor cfg_show_files
<dt>\c SHOW_FILES <dd>
 \addindex SHOW_FILES
 Set the \c SHOW_FILES tag to \c 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 \c YES.

\anchor cfg_show_namespaces
<dt>\c SHOW_NAMESPACES <dd>
 \addindex SHOW_NAMESPACES
 Set the \c SHOW_NAMESPACES tag to \c NO to disable the generation of the
 Namespaces page.  This will remove the Namespaces entry from the Quick Index
 and from the Folder Tree View (if specified). The default is \c YES.

</dl>

\section messages_input Options related to warning and progress messages 
\anchor cfg_quiet
<dl>

<dt>\c QUIET <dd>
 \addindex QUIET
 The \c QUIET tag can be used to turn on/off the messages that are generated
 to standard output by doxygen. Possible values are \c YES and \c NO, 
 where \c YES implies that the messages are off.
 If left blank \c NO is used.

\anchor cfg_warnings
<dt>\c WARNINGS <dd>
 \addindex WARNINGS
 The \c WARNINGS tag can be used to turn on/off the warning messages that are
 generated to standard error by doxygen. Possible values are \c YES and \c NO, 
 where \c YES implies that the warnings are on. If left blank \c NO is used.

 \b Tip: Turn warnings on while writing the documentation.

\anchor cfg_warn_if_undocumented
<dt>\c WARN_IF_UNDOCUMENTED <dd>
 \addindex WARN_IF_UNDOCUMENTED
 If \c WARN_IF_UNDOCUMENTED is set to \c YES, then doxygen will generate warnings
 for undocumented members. If \c EXTRACT_ALL is set to \c YES then this flag will
 automatically be disabled.

\anchor cfg_warn_if_doc_error
<dt>\c WARN_IF_DOC_ERROR <dd>
 \addindex WARN_IF_DOC_ERROR
 If \c WARN_IF_DOC_ERROR is set to \c YES, doxygen will generate warnings for
 potential errors in the documentation, such as not documenting some
 parameters in a documented function, or documenting parameters that
 don't exist or using markup commands wrongly. 

\anchor cfg_warn_no_paramdoc
<dt>\c WARN_NO_PARAMDOC <dd>
 \addindex WARN_NO_PARAMDOC
 This \c WARN_NO_PARAMDOC option can be abled to get warnings for 
 functions that are documented, but have no documentation for their parameters
 or return value. If set to \c NO (the default) doxygen will only warn about
 wrong or incomplete parameter documentation, but not about the absence of
 documentation.

\anchor cfg_warn_format
<dt>\c WARN_FORMAT <dd>
 \addindex WARN_FORMAT
 The \c WARN_FORMAT tag determines the format of the warning messages that
 doxygen can produce. The string should contain the <code>\$file</code>, 
 <code>\$line</code>, and <code>\$text</code> 
 tags, which will be replaced by the file and line number from which the
 warning originated and the warning text.

\anchor cfg_warn_logfile
<dt>\c WARN_LOGFILE <dd>
 \addindex WARN_LOGFILE
 The \c WARN_LOGFILE tag can be used to specify a file to which warning
 and error messages should be written. If left blank the output is written 
 to stderr.

</dl>

\section config_input Input related options
\anchor cfg_input
<dl>

<dt>\c INPUT <dd>
 \addindex INPUT
 The \c INPUT tag is used to specify the files and/or directories that contain 
 documented source files. You may enter file names like 
 \c myfile.cpp or directories like \c /usr/src/myproject. 
 Separate the files or directories with spaces.<br>

 \b Note: 
 If this tag is empty the current directory is searched.

\anchor cfg_input_encoding
<dt>\c INPUT_ENCODING <dd>
 \addindex INPUT_ENCODING
 This tag can be used to specify the character encoding of the source files that 
 doxygen parses. Internally doxygen uses the UTF-8 encoding, which is also the default 
 input encoding. Doxygen uses libiconv (or the iconv built into libc) for the transcoding. 
 See <a href="http://www.gnu.org/software/libiconv">the libiconv documentation</a> for 
 the list of possible encodings.

\anchor cfg_file_patterns
<dt>\c FILE_PATTERNS <dd>
 \addindex FILE_PATTERNS
 If the value of the \c INPUT tag contains directories, you can use the 
 \c FILE_PATTERNS tag to specify one or more wildcard patterns 
 (like \c *.cpp and \c *.h ) to filter out the source-files 
 in the directories. If left blank the following patterns are tested:
 <code>
 *.c *.cc *.cxx *.cpp *.c++ *.java *.ii *.ixx *.ipp *.i++ *.inl *.h *.hh *.hxx *.hpp 
 *.h++ *.idl *.odl *.cs *.php *.php3 *.inc *.m *.mm
 </code>

\anchor cfg_file_version_filter
<dt>\c FILE_VERSION_FILTER <dd>
 \addindex FILE_VERSION_FILTER
 The \c FILE_VERSION_FILTER tag can be used to specify a program or script that
 doxygen should invoke to get the current version for each file (typically from the
 version control system). Doxygen will invoke the program by executing (via
 popen()) the command <code>command input-file</code>, where \c command is 
 the value of the \c FILE_VERSION_FILTER tag, and \c input-file is the name 
 of an input file provided by doxygen. 
 Whatever the program writes to standard output is used as the file version. 

Example of using a shell script as a filter for Unix:
\verbatim
 FILE_VERSION_FILTER = "/bin/sh versionfilter.sh"
\endverbatim

Example shell script for CVS:
\verbatim
#!/bin/sh
cvs status $1 | sed -n 's/^[ \]*Working revision:[ \t]*\([0-9][0-9\.]*\).*/\1/p'
\endverbatim 
 
Example shell script for Subversion:
\verbatim
#!/bin/sh
svn stat -v $1 | sed -n 's/^[ A-Z?\*|!]\{1,15\}/r/;s/ \{1,15\}/\/r/;s/ .*//p'
\endverbatim

Example filter for ClearCase:
\verbatim
FILE_VERSION_INFO = "cleartool desc -fmt \%Vn"
\endverbatim

\anchor cfg_recursive
<dt>\c RECURSIVE <dd>
 \addindex RECURSIVE
 The \c RECURSIVE tag can be used to specify whether or not subdirectories
 should be searched for input files as well. Possible values are \c YES 
 and \c NO.  If left blank \c NO is used.

\anchor cfg_exclude
<dt>\c EXCLUDE <dd>
 \addindex EXCLUDE
 The \c EXCLUDE tag can be used to specify files and/or directories that should
 excluded from the \c INPUT source files. This way you can easily exclude a
 subdirectory from a directory tree whose root is specified with the \c INPUT tag.

\anchor cfg_exclude_symlinks
<dt>\c EXCLUDE_SYMLINKS <dd>
 \addindex EXCLUDE_SYMLINKS
 The \c EXCLUDE_SYMLINKS tag can be used select whether or not files or directories 
 that are symbolic links (a Unix filesystem feature) are excluded from the input.

\anchor cfg_exclude_patterns
<dt>\c EXCLUDE_PATTERNS <dd>
 \addindex EXCLUDE_PATTERNS
 If the value of the \c INPUT tag contains directories, you can use the
 \c EXCLUDE_PATTERNS tag to specify one or more wildcard patterns to exclude
 certain files from those directories.

 Note that the wildcards are matched against the file with absolute path, 
 so to exclude all test directories use the pattern 
 <code>*</code><code>/test/</code><code>*</code>

\anchor cfg_example_path
<dt>\c EXAMPLE_PATH <dd>
 \addindex EXAMPLE_PATH
 The \c EXAMPLE_PATH tag can be used to specify one or more files or
 directories that contain example code fragments that are included (see
 the \\include command in section \ref cmdinclude "\\include").

\anchor cfg_example_recursive
<dt>\c EXAMPLE_RECURSIVE <dd>
 \addindex EXAMPLE_RECURSIVE
 If the \c EXAMPLE_RECURSIVE tag is set to \c YES then subdirectories will be
 searched for input files to be used with the \\include or \\dontinclude 
 commands irrespective of the value of the \c RECURSIVE tag. 
 Possible values are \c YES and \c NO. If left blank \c NO is used. 

\anchor cfg_example_patterns
<dt>\c EXAMPLE_PATTERNS <dd>
 \addindex EXAMPLE_PATTERNS
 If the value of the \c EXAMPLE_PATH tag contains directories, you can use the
 \c EXAMPLE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp
 and *.h) to filter out the source-files in the directories. If left
 blank all files are included.

\anchor cfg_image_path
<dt>\c IMAGE_PATH <dd>
 \addindex IMAGE_PATH
 The \c IMAGE_PATH tag can be used to specify one or more files or
 directories that contain images that are to be included in the 
 documentation (see the \ref cmdimage "\\image" command).

\anchor cfg_input_filter
<dt>\c INPUT_FILTER <dd>
 \addindex INPUT_FILTER
 The \c INPUT_FILTER tag can be used to specify a program that doxygen should
 invoke to filter for each input file. Doxygen will invoke the filter program
 by executing (via popen()) the command:
\verbatim <filter> <input-file>
\endverbatim
 
 where \<filter\>
 is the value of the \c INPUT_FILTER tag, and \<input-file\> is the name of an
 input file. Doxygen will then use the output that the filter program writes
 to standard output.

\anchor cfg_filter_patterns
<dt>\c FILTER_PATTERNS <dd>
 \addindex FILTER_PATTERNS
 The \c FILTER_PATTERNS tag can be used to specify filters on a per file pattern
 basis.  Doxygen will compare the file name with each pattern and apply the
 filter if there is a match.  The filters are a list of the form:
 pattern=filter (like <code>*.cpp=my_cpp_filter</code>). See \c INPUT_FILTER for further
 info on how filters are used. If \c FILTER_PATTERNS is empty, \c INPUT_FILTER
 is applied to all files. 

\anchor cfg_filter_source_files
<dt>\c FILTER_SOURCE_FILES <dd>
 \addindex FILTER_SOURCE_FILES
 If the \c FILTER_SOURCE_FILES tag is set to \c YES, the input filter (if set using
 \ref cfg_input_filter "INPUT_FILTER" ) will also be used to filter the input
 files that are used for producing the source files to browse 
 (i.e. when SOURCE_BROWSER is set to YES).

</dl>

\section sourcebrowser_index Source browsing related options
\anchor cfg_source_browser
<dl>

<dt>\c SOURCE_BROWSER <dd>
 \addindex SOURCE_BROWSER
 If the \c SOURCE_BROWSER tag is set to \c YES then a list of source files will \n"
 be generated. Documented entities will be cross-referenced with these sources. \n"
 Note: To get rid of all source code in the generated output, make sure also \n"
 \c VERBATIM_HEADERS is set to NO. \n"

\anchor cfg_inline_sources
<dt>\c INLINE_SOURCES <dd>
 \addindex INLINE_SOURCES
 Setting the \c INLINE_SOURCES tag to \c YES will include the body
 of functions, classes and enums directly into the documentation.

\anchor cfg_strip_code_comments
<dt>\c STRIP_CODE_COMMENTS <dd>
 \addindex STRIP_CODE_COMMENTS
 Setting the \c STRIP_CODE_COMMENTS tag to \c YES (the default) will instruct
 doxygen to hide any special comment blocks from generated source code
 fragments. Normal C and C++ comments will always remain visible.

\anchor cfg_referenced_by_relation
<dt>\c REFERENCED_BY_RELATION <dd>
 \addindex REFERENCED_BY_RELATION
 If the \c REFERENCED_BY_RELATION tag is set to \c YES
 then for each documented function all documented
 functions referencing it will be listed. 

\anchor cfg_references_relation
<dt>\c REFERENCES_RELATION <dd>
 \addindex REFERENCES_RELATION
 If the \c REFERENCES_RELATION tag is set to \c YES
 then for each documented function all documented entities
 called/used by that function will be listed. 

\anchor cfg_references_link_source
<dt>\c REFERENCES_LINK_SOURCE <dd>
 \addindex REFERENCES_LINK_SOURCE
 If the \c REFERENCES_LINK_SOURCE tag is set to \c YES (the default)
 and SOURCE_BROWSER tag is set to \c YES, then the hyperlinks from 
 functions in REFERENCES_RELATION and REFERENCED_BY_RELATION lists will 
 link to the source code.  Otherwise they will link to the documentstion.

\anchor cfg_verbatim_headers
<dt>\c VERBATIM_HEADERS <dd>
 \addindex VERBATIM_HEADERS
  If the \c VERBATIM_HEADERS tag is set the \c YES (the default) then doxygen
  will generate a verbatim copy of the header file for each class for
  which an include is specified. Set to NO to disable this.
  \sa Section \ref cmdclass "\\class".

\anchor cfg_use_htags
<dt>\c USE_HTAGS <dd>
 \addindex USE_HTAGS
 If the \c USE_HTAGS tag is set to \c YES then the references to source code
 will point to the HTML generated by the htags(1) tool instead of doxygen
 built-in source browser. The htags tool is part of GNU's global source
 tagging system (see http://www.gnu.org/software/global/global.html).
 The use it do the following:

 -# Install the latest version of global (i.e. 4.8.6 or better)
 -# Enable SOURCE_BROWSER and USE_HTAGS in the config file
 -# Make sure the INPUT points to the root of the source tree
 -# Run doxygen as normal

 Doxygen will invoke htags (and that will in turn invoke gtags), so these tools
 must be available from the command line (i.e. in the search path).

 The result: instead of the source browser generated by doxygen, the links to
 source code will now point to the output of htags.

</dl>

\section alphabetical_index Alphabetical index options
\anchor cfg_alphabetical_index
<dl>

<dt>\c ALPHABETICAL_INDEX <dd>
 \addindex ALPHABETICAL_INDEX
 If the \c ALPHABETICAL_INDEX tag is set to \c YES, an alphabetical index
 of all compounds will be generated. Enable this if the project contains 
 a lot of classes, structs, unions or interfaces.

\anchor cfg_cols_in_alpha_index
<dt>\c COLS_IN_ALPHA_INDEX <dd>
 \addindex COLS_IN_ALPHA_INDEX
 If the alphabetical index is enabled 
 (see \c ALPHABETICAL_INDEX) then the \c COLS_IN_ALPHA_INDEX tag can be 
 used to specify the number of columns in which this list will be split (can be a number in the range [1..20])

\anchor cfg_ignore_prefix
<dt>\c IGNORE_PREFIX <dd>
 \addindex IGNORE_PREFIX
 In case all classes in a project start with a common prefix, all classes will 
 be put under the same header in the alphabetical index.
 The \c IGNORE_PREFIX tag can be used to specify a prefix 
 (or a list of prefixes) that should be ignored while generating the index 
 headers.

</dl>
\section html_output HTML related options
\anchor cfg_generate_html
<dl>

<dt>\c GENERATE_HTML <dd>
 \addindex GENERATE_HTML
 If the \c GENERATE_HTML tag is set to \c YES (the default) doxygen will
 generate HTML output

\anchor cfg_html_output
<dt>\c HTML_OUTPUT <dd>
 \addindex HTML_OUTPUT
 The \c HTML_OUTPUT tag is used to specify where the HTML docs will be put.
 If a relative path is entered the value of \c OUTPUT_DIRECTORY will be
 put in front of it. If left blank `html' will be used as the default path.

\anchor cfg_html_file_extension
<dt>\c HTML_FILE_EXTENSION <dd>
 \addindex HTML_FILE_EXTENSION
 The \c HTML_FILE_EXTENSION tag can be used to specify the file extension for 
 each generated HTML page (for example: .htm, .php, .asp). If it is left blank
 doxygen will generate files with .html extension.

\anchor cfg_html_header
<dt>\c HTML_HEADER <dd>      
 \addindex HTML_HEADER
 The \c HTML_HEADER tag can be used to specify a user-defined HTML 
 header file for each generated HTML page. To get valid HTML the header file
 should contain at least a \c \<HTML\> and a \c \<BODY\> tag, but it is
 good idea to include the style sheet that is generated by doxygen as well. 
 Minimal example:
\verbatim
  <HTML>
    <HEAD>
      <TITLE>My title</TITLE>
      <LINK HREF="doxygen.css" REL="stylesheet" TYPE="text/css">
    </HEAD>
    <BODY BGCOLOR="#FFFFFF">
\endverbatim
 If the tag is left blank doxygen will generate a 
 standard header. 

 The following commands have a special meaning inside the header:
 <code>\$title</code>, <code>\$datetime</code>, <code>\$date</code>,
 <code>\$doxygenversion</code>, <code>\$projectname</code>, and
 <code>\$projectnumber</code>. 
 Doxygen will replace them by respectively 
 the title of the page, the current date and time, only the current date,
 the version number of doxygen, the project name (see \c PROJECT_NAME), or the
 project number (see \c PROJECT_NUMBER). 

 If \c CREATE_SUBDIRS is enabled, the command <code>\$relpath\$</code> can be 
 used to produce a relative path to the root of the HTML output directory,
 e.g. use \$relpath\$doxygen.css, to refer to the standard style sheet.
   
 See also section \ref doxygen_usage for information on how to generate
 the default header that doxygen normally uses.
   
\anchor cfg_html_footer
<dt>\c HTML_FOOTER <dd>
 \addindex HTML_FOOTER
 The \c HTML_FOOTER tag can be used to specify a user-defined HTML footer for 
 each generated HTML page. To get valid HTML the footer file should contain
 at least a \c \</BODY\> and a \c \</HTML\> tag. A minimal example:
\verbatim
    </BODY>
  </HTML>
\endverbatim
 If the tag is left blank doxygen will generate a standard footer.

 The following commands have a special meaning inside the footer:
 <code>\$title</code>, <code>\$datetime</code>, <code>\$date</code>,
 <code>\$doxygenversion</code>, <code>\$projectname</code>, 
 <code>\$projectnumber</code>. 
 Doxygen will replace them by respectively 
 the title of the page, the current date and time, only the current date,
 the version number of doxygen, the project name (see \c PROJECT_NAME), or the
 project number (see \c PROJECT_NUMBER).

 See also section \ref doxygen_usage for information on how to generate
 the default footer that doxygen normally uses.

\anchor cfg_html_stylesheet
<dt>\c HTML_STYLESHEET <dd>
 \addindex HTML_STYLESHEET
 The \c HTML_STYLESHEET tag can be used to specify a user-defined cascading
 style sheet that is used by each HTML page. It can be used to
 fine-tune the look of the HTML output. If the tag is left blank doxygen
 will generate a default style sheet. 

 See also section \ref doxygen_usage for information on how to generate
 the style sheet that doxygen normally uses.

\anchor cfg_html_align_members
<dt>\c HTML_ALIGN_MEMBERS <dd>
 \addindex HTML_ALIGN_MEMBERS
 If the \c HTML_ALIGN_MEMBERS tag is set to \c YES, the members of classes,
 files or namespaces will be aligned in HTML using tables. If set to
 \c NO a bullet list will be used. 

 <b>Note:</b>
 Setting this tag to \c NO will become obsolete in the future, since I only
 intent to support and test the aligned representation.


\anchor cfg_generate_htmlhelp
<dt>\c GENERATE_HTMLHELP <dd>
 \addindex GENERATE_HTMLHELP
 If the \c GENERATE_HTMLHELP tag is set to \c YES then
 doxygen generates three additional HTML index files: 
 \c index.hhp, \c index.hhc, and \c index.hhk. The \c index.hhp is a 
 project file that can be read by 
 <a href="http://msdn.microsoft.com/library/default.asp?url=/library/en-us/htmlhelp/html/vsconHH1Start.asp">
 Microsoft's HTML Help Workshop</a>
 on Windows.

 The HTML Help Workshop contains a compiler that can convert all HTML output 
 generated by doxygen into a single compiled HTML file (.chm). Compiled
 HTML files are now used as the Windows 98 help format, and will replace
 the old Windows help format (.hlp) on all Windows platforms in the future.
 Compressed HTML files also contain an index, a table of contents,
 and you can search for words in the documentation.
 The HTML workshop also contains a viewer for compressed HTML files.

\anchor cfg_generate_docset
<dt>\c GENERATE_DOCSET <dd>
 \addindex GENERATE_DOCSET
 If the \c GENERATE_DOCSET tag is set to \c YES, additional index files
 will be generated that can be used as input for 
 <a href="http://developer.apple.com/tools/xcode/">Apple's Xcode 3
 integrated development environment</a>, introduced with OSX 10.5 (Leopard).
 To create a documentation set, doxygen will generate a Makefile in the
 HTML output directory. Running \c make will produce the docset in that
 directory and running <code>make install</code> will install the docset in 
 <code>~/Library/Developer/Shared/Documentation/DocSets</code> 
 so that Xcode will find it at startup.


\anchor cfg_docset_feedname 
<dt>\c DOCSET_FEEDNAME <dd>
 \addindex DOCSET_FEEDNAME
 When \c GENERATE_DOCSET tag is set to \c YES, this tag determines the name of the
 feed. A documentation feed provides an umbrella under which multiple
 documentation sets from a single provider (such as a company or product suite) 
 can be grouped.

\anchor cfg_docset_bundle_id
<dt>\c DOCSET_BUNDLE_ID <dd>
 When \c GENERATE_DOCSET tag is set to \c YES, this tag specifies a string that
 should uniquely identify the documentation set bundle. This should be a
 reverse domain-name style string, e.g. <code>com.mycompany.MyDocSet</code>. 
 Doxygen will append <code>.docset</code> to the name.

\anchor cfg_html_dynamic_sections
<dt>\c HTML_DYNAMIC_SECTIONS <dd>
 \addindex HTML_DYNAMIC_SECTIONS
 If the \c HTML_DYNAMIC_SECTIONS tag is set to \c 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
 JavaScript and DHTML is required (for instance Mozilla 1.0+, Firefox
 Netscape 6.0+, Internet explorer 5.0+, Konqueror, or Safari). 

\anchor cfg_chm_file 
<dt>\c CHM_FILE <dd>
 \addindex CHM_FILE
  If the \c GENERATE_HTMLHELP tag is set to \c YES, the \c CHM_FILE tag can
  be used to specify the file name of the resulting .chm file. You
  can add a path in front of the file if the result should not be
  written to the html output directory.

\anchor cfg_hhc_location 
<dt>\c HHC_LOCATION <dd>
 \addindex HHC_LOCATION
  If the \c GENERATE_HTMLHELP tag is set to \c YES, the \c HHC_LOCATION tag can
  be used to specify the location (absolute path including file name) of 
  the HTML help compiler (hhc.exe). If non empty doxygen will try to run
  the HTML help compiler on the generated index.hhp.

\anchor cfg_generate_chi
<dt>\c GENERATE_CHI <dd>
 \addindex GENERATE_CHI
 If the \c GENERATE_HTMLHELP tag is set to \c YES, the \c GENERATE_CHI flag
 controls if a separate .chi index file is generated (<code>YES</code>) or that
 it should be included in the master .chm file (<code>NO</code>).

\anchor cfg_binary_toc
<dt>\c BINARY_TOC <dd>
 \addindex BINARY_TOC
 If the \c GENERATE_HTMLHELP tag is set to \c YES, the \c BINARY_TOC flag
 controls whether a binary table of contents is generated (<code>YES</code>) or a
 normal table of contents (<code>NO</code>) in the .chm file.

\anchor cfg_toc_expand
<dt>\c TOC_EXPAND <dd>
 \addindex TOC_EXPAND
 The \c TOC_EXPAND flag can be set to YES to add extra items for 
 group members to the table of contents of the HTML help documentation 
 and to the tree view.

\anchor cfg_disable_index
<dt>\c DISABLE_INDEX <dd>
 \addindex DISABLE_INDEX
 If you want full control over the layout of the generated HTML pages it
 might be necessary to disable the index and replace it with your own.
 The \c DISABLE_INDEX tag can be used to turn on/off the condensed index at
 top of each page. A value of NO (the default) enables the index and the
 value YES disables it.

\anchor cfg_enum_values_per_line
<dt>\c ENUM_VALUES_PER_LINE <dd>
 \addindex ENUM_VALUES_PER_LINE
 This tag can be used to set the number of enum values (range [1..20])
 that doxygen will group on one line in the generated HTML documentation.

\anchor cfg_generate_treeview
<dt>\c GENERATE_TREEVIEW <dd>
 \addindex GENERATE_TREEVIEW
 The GENERATE_TREEVIEW tag is used to specify whether a tree-like index
 structure should be generated to display hierarchical information.
 If the tag value is set to FRAME, a side panel will be generated
 containing a tree-like index structure (just like the one that
 is generated for HTML Help). For this to work a browser that supports
 JavaScript, DHTML, CSS and frames is required (for instance Mozilla 1.0+,
 Netscape 6.0+, Internet explorer 5.0+, or Konqueror). Windows users are
 probably better off using the HTML help feature. Other possible values
 for this tag are: \c HIERARCHIES, which will generate the Groups, Directories,
 and Class Hiererachy pages using a tree view instead of an ordered list;
 ALL, which combines the behavior of \c FRAME and \c HIERARCHIES, and \c NONE, 
 which disables this behavior completely. For backwards compatibility 
 with previous releases of Doxygen, the values YES and NO are equivalent 
 to FRAME and NONE respectively.

 Via custom stylesheets (see \ref cfg_html_stylesheet "HTML_STYLESHEET")
 one can further \ref doxygen_finetune "fine tune" the look of the index. 
 As an example, the default style sheet generated by doxygen has an 
 example that shows how to put an image at the root of the tree instead of 
 the \ref cfg_project_name "project name".

\anchor cfg_treeview_width
<dt>\c TREEVIEW_WIDTH <dd>
 \addindex TREEVIEW_WIDTH
 If the treeview is enabled (see \c GENERATE_TREEVIEW) then this tag can be
 used to set the initial width (in pixels) of the frame in which the tree
 is shown.

\anchor cfg_formula_fontsize
<dt>\c FORMULA_FONTSIZE <dd>
 \addindex FORMULA_FONTSIZE
 Use this tag to change the font size of Latex formulas included
 as images in the HTML documentation. The default is 10.
 when you change the font size after a successful doxygen run you need
 to manually remove any <code>form_*.png</code> images from the HTML 
 output directory to force them to be regenerated.
 
</dl>
\section latex_output LaTeX related options
\anchor cfg_generate_latex
<dl>

<dt>\c GENERATE_LATEX <dd>
 \addindex GENERATE_LATEX
 If the \c GENERATE_LATEX tag is set to \c YES (the default) doxygen will
 generate \f$\mbox{\LaTeX}\f$ output.

\anchor cfg_latex_output
<dt>\c LATEX_OUTPUT <dd>
 \addindex LATEX_OUTPUT
 The \c LATEX_OUTPUT tag is used to specify where the \f$\mbox{\LaTeX}\f$ 
 docs will be put.
 If a relative path is entered the value of \c OUTPUT_DIRECTORY will be
 put in front of it. If left blank `latex' will be used as the default path.

\anchor cfg_latex_cmd_name
<dt>\c LATEX_CMD_NAME <dd>
 \addindex LATEX_CMD_NAME
 The \c LATEX_CMD_NAME tag can be used to specify the LaTeX command name to be invoked. 
 If left blank `latex' will be used as the default command name.

\anchor cfg_makeindex_cmd_name
<dt>\c MAKEINDEX_CMD_NAME <dd>
 \addindex MAKEINDEX_CMD_NAME
 The MAKEINDEX_CMD_NAME tag can be used to specify the command name to 
 generate index for LaTeX. If left blank `makeindex' will be used as the 
 default command name.

\anchor cfg_compact_latex
<dt>\c COMPACT_LATEX <dd>
 \addindex COMPACT_LATEX
 If the \c COMPACT_LATEX tag is set to \c YES doxygen generates more compact
 \f$\mbox{\LaTeX}\f$ documents. This may be useful for small projects and may help to
 save some trees in general.

\anchor cfg_paper_type
<dt>\c PAPER_TYPE <dd>
 \addindex PAPER_TYPE
 The \c PAPER_TYPE tag can be used to set the paper type that is used
 by the printer. Possible values are: 
 <ul>
 <li><code>a4</code> (210 x 297 mm).
 <li><code>a4wide</code> (same as a4, but including the a4wide package).
 <li><code>letter</code> (8.5 x 11 inches).
 <li><code>legal</code> (8.5 x 14 inches).
 <li><code>executive</code> (7.25 x 10.5 inches)
 </ul> 
 If left blank a4wide will be used.

\anchor cfg_extra_packages
<dt>\c EXTRA_PACKAGES <dd>
 \addindex EXTRA_PACKAGES
 The \c EXTRA_PACKAGES tag can be used to specify one or more \f$\mbox{\LaTeX}\f$ 
 package names that should be included in the \f$\mbox{\LaTeX}\f$ output.
 To get the times font for instance you can specify 
\verbatim
EXTRA_PACKAGES = times
\endverbatim
 If left blank no extra packages will be included.

\anchor cfg_latex_header
<dt>\c LATEX_HEADER <dd>
 \addindex LATEX_HEADER
 The \c LATEX_HEADER tag can be used to specify a personal \f$\mbox{\LaTeX}\f$ 
 header for the generated \f$\mbox{\LaTeX}\f$ document. 
 The header should contain everything until the first chapter. 

 If it is left blank doxygen will generate a 
 standard header. See section \ref doxygen_usage for information on how to 
 let doxygen write the default header to a separate file.
 
 \par Note: 
   Only use a user-defined header if you know what you are doing!

 The following commands have a special meaning inside the header:
 <code>\$title</code>, <code>\$datetime</code>, <code>\$date</code>,
 <code>\$doxygenversion</code>, <code>\$projectname</code>, 
 <code>\$projectnumber</code>. 
 Doxygen will replace them by respectively 
 the title of the page, the current date and time, only the current date,
 the version number of doxygen, the project name (see \c PROJECT_NAME), or the
 project number (see \c PROJECT_NUMBER).
   
\anchor cfg_pdf_hyperlinks
<dt>\c PDF_HYPERLINKS <dd>
 \addindex PDF_HYPERLINKS

 If the \c PDF_HYPERLINKS tag is set to \c YES, the \f$\mbox{\LaTeX}\f$ that 
 is generated is prepared for conversion to PDF (using ps2pdf or pdflatex). 
 The PDF file will
 contain links (just like the HTML output) instead of page references.
 This makes the output suitable for online browsing using a PDF viewer.

\anchor cfg_use_pdflatex
<dt>\c USE_PDFLATEX <dd>
 \addindex LATEX_PDFLATEX

 If the \c LATEX_PDFLATEX tag is set to \c YES, doxygen will use
 pdflatex to generate the PDF file directly from the \f$\mbox{\LaTeX}\f$
 files.

\anchor cfg_latex_batchmode
<dt>\c LATEX_BATCHMODE <dd>
 \addindex LATEX_BATCHMODE

 If the \c LATEX_BATCHMODE tag is set to \c YES, doxygen will add the \\batchmode.
 command to the generated \f$\mbox{\LaTeX}\f$ files. This will 
 instruct \f$\mbox{\LaTeX}\f$ to keep running if errors occur, instead of 
 asking the user for help. This option is also used when generating formulas 
 in HTML.

\anchor cfg_latex_hide_indices
<dt>\c LATEX_HIDE_INDICES <dd>
 \addindex LATEX_HIDE_INDICES

 If \c LATEX_HIDE_INDICES is set to \c YES then doxygen will not
 include the index chapters (such as File Index, Compound Index, etc.) 
 in the output. 

</dl>
\section rtf_output RTF related options
\anchor cfg_generate_rtf
<dl>

<dt>\c GENERATE_RTF <dd>
 \addindex GENERATE_RTF
 If the \c GENERATE_RTF tag is set to \c YES doxygen will generate RTF output.
 The RTF output is optimized for Word 97 and may not look too pretty with
 other readers/editors.

\anchor cfg_rtf_output
<dt>\c RTF_OUTPUT <dd>
 \addindex RTF_OUTPUT
 The \c RTF_OUTPUT tag is used to specify where the RTF docs will be put.
 If a relative path is entered the value of \c OUTPUT_DIRECTORY will be
 put in front of it. If left blank \c rtf will be used as the default path.
 
\anchor cfg_compact_rtf
<dt>\c COMPACT_RTF <dd>
 \addindex COMPACT_RTF
 If the \c COMPACT_RTF tag is set to \c YES doxygen generates more compact
 RTF documents. This may be useful for small projects and may help to
 save some trees in general.

\anchor cfg_rtf_hyperlinks
<dt>\c RTF_HYPERLINKS <dd>
 \addindex RTF_HYPERLINKS
 If the \c RTF_HYPERLINKS tag is set to \c YES, the RTF that is generated
 will contain hyperlink fields. The RTF file will
 contain links (just like the HTML output) instead of page references.
 This makes the output suitable for online browsing using Word or some other
 Word compatible reader that support those fields.

 \par note:
   WordPad (write) and others do not support links.

\anchor cfg_rtf_stylesheet_file 
<dt>\c RTF_STYLESHEET_FILE <dd>
 \addindex RTF_STYLESHEET_FILE
 Load stylesheet definitions from file. Syntax is similar to doxygen's
 config file, i.e. a series of assignments. You only have to provide
 replacements, missing definitions are set to their default value.

 See also section \ref doxygen_usage for information on how to generate
 the default style sheet that doxygen normally uses.

\anchor cfg_rtf_extensions_file
<dt>\c RTF_EXTENSIONS_FILE <dd>
 Set optional variables used in the generation of an RTF document.
 Syntax is similar to doxygen's config file. 
 A template extensions file can be generated using 
 <code>doxygen -e rtf extensionFile</code>.

</dl>

\section man_output Man page related options
\anchor cfg_generate_man
<dl>

<dt>\c GENERATE_MAN <dd>
 \addindex GENERATE_MAN
 If the \c GENERATE_MAN tag is set to \c YES (the default) doxygen will
 generate man pages for classes and files.

\anchor cfg_man_output
<dt>\c MAN_OUTPUT <dd>
 \addindex MAN_OUTPUT
 The \c MAN_OUTPUT tag is used to specify where the man pages will be put.
 If a relative path is entered the value of \c OUTPUT_DIRECTORY will be
 put in front of it. If left blank `man' will be used as the default path.
 A directory man3 will be created inside the directory specified by 
 \c MAN_OUTPUT.

\anchor cfg_man_extension
<dt>\c MAN_EXTENSION <dd>
 \addindex MAX_EXTENSION
 The \c MAN_EXTENSION tag determines the extension that is added to
 the generated man pages (default is the subroutine's section .3)

\anchor cfg_man_links
<dt>\c MAN_LINKS <dd> 
 \addindex MAN_LINKS
 If the \c MAN_LINKS tag is set to \c YES and doxygen generates man output, 
 then it will generate one additional man file for each entity documented in 
 the real man page(s). These additional files only source the real man page, 
 but without them the man command would be unable to find the correct page. 
 The default is \c NO.

</dl>

\section xml_output XML related options
\anchor cfg_generate_xml
<dl>

<dt>\c GENERATE_XML <dd>
 \addindex GENERATE_XML
 If the \c GENERATE_XML tag is set to \c YES Doxygen will
 generate an XML file that captures the structure of
 the code including all documentation. 

\anchor cfg_xml_output
<dt>\c XML_OUTPUT <dd>
 \addindex XML_OUTPUT
 The \c XML_OUTPUT tag is used to specify where the XML pages will be put. 
 If a relative path is entered the value of \c OUTPUT_DIRECTORY will be 
 put in front of it. If left blank \c xml will be used as the default path.

\anchor cfg_xml_schema
<dt>\c XML_SCHEMA <dd>
 \addindex XML_SCHEMA
 The \c XML_SCHEMA tag can be used to specify an XML schema,
 which can be used by a validating XML parser to check the
 syntax of the XML files.

\anchor cfg_xml_dtd
<dt>\c XML_DTD <dd>
 \addindex XML_DTD
 The \c XML_DTD tag can be used to specify an XML DTD,
 which can be used by a validating XML parser to check the
 syntax of the XML files.

\anchor cfg_xml_programlisting
<dt>\c XML_PROGRAMLISTING <dd>
 \addindex XML_PROGRAMLISTING
 If the \c XML_PROGRAMLISTING tag is set to \c YES Doxygen will
 dump the program listings (including syntax highlighting
 and cross-referencing information) to the XML output. Note that
 enabling this will significantly increase the size of the XML output.

</dl>

\section autogen_output AUTOGEN_DEF related options
\anchor cfg_generate_autogen_def
<dl>

<dt>\c GENERATE_AUTOGEN_DEF <dd>
 \addindex GENERATE_AUTOGEN_DEF
 If the \c GENERATE_AUTOGEN_DEF tag is set to \c YES Doxygen will
 generate an AutoGen Definitions (see http://autogen.sf.net) file
 that captures the structure of the code including all
 documentation. Note that this feature is still experimental 
 and incomplete at the moment. 

</dl>

\section perlmod_output PERLMOD related options
\anchor cfg_generate_perlmod
<dl>

<dt>\c GENERATE_PERLMOD <dd>
 \addindex GENERATE_PERLMOD
 If the \c GENERATE_PERLMOD tag is set to \c YES Doxygen will
 generate a Perl module file that captures the structure of
 the code including all documentation. Note that this 
 feature is still experimental and incomplete at the
 moment.

\anchor cfg_perlmod_latex
<dt>\c PERLMOD_LATEX <dd>
 \addindex PERLMOD_LATEX
 If the \c PERLMOD_LATEX tag is set to \c YES Doxygen will generate 
 the necessary Makefile rules, Perl scripts and LaTeX code to be able 
 to generate PDF and DVI output from the Perl module output. 

\anchor cfg_perlmod_pretty
<dt>\c PERLMOD_PRETTY <dd>
 \addindex PERLMOD_PRETTY
 If the \c PERLMOD_PRETTY tag is set to \c YES the Perl module output will be 
 nicely formatted so it can be parsed by a human reader.  This is useful 
 if you want to understand what is going on. On the other hand, if this
 tag is set to \c NO the size of the Perl module output will be much smaller
 and Perl will parse it just the same. 

\anchor cfg_perlmod_makevar_prefix
<dt>\c PERLMOD_MAKEVAR_PREFIX <dd>
 \addindex PERLMOD_MAKEVAR_PREFIX
 The names of the make variables in the generated doxyrules.make file 
 are prefixed with the string contained in \c PERLMOD_MAKEVAR_PREFIX. 
 This is useful so different doxyrules.make files included by the same
 Makefile don't overwrite each other's variables.

</dl>

\section config_prepro Preprocessor related options
\anchor cfg_enable_preprocessing
<dl>

<dt>\c ENABLE_PREPROCESSING <dd>
 \addindex ENABLE_PREPROCESSING
 If the \c ENABLE_PREPROCESSING tag is set to \c YES (the default) doxygen will
 evaluate all C-preprocessor directives found in the sources and include
 files. 

\anchor cfg_macro_expansion
<dt>\c MACRO_EXPANSION <dd>
 \addindex MACRO_EXPANSION
 If the \c MACRO_EXPANSION tag is set to \c YES doxygen will expand all macro
 names in the source code. If set to \c NO (the default) only conditional 
 compilation will be performed. Macro expansion can be done in a controlled
 way by setting \c EXPAND_ONLY_PREDEF to \c YES.

\anchor cfg_expand_only_predef
<dt>\c EXPAND_ONLY_PREDEF <dd>
 \addindex EXPAND_ONLY_PREDEF
 If the \c EXPAND_ONLY_PREDEF and \c MACRO_EXPANSION tags are both set to YES
 then the macro expansion is limited to the macros specified with the
 \c PREDEFINED and \c EXPAND_AS_DEFINED tags.

\anchor cfg_search_includes
<dt>\c SEARCH_INCLUDES <dd>
 \addindex SEARCH_INCLUDES 
 If the \c SEARCH_INCLUDES tag is set to \c YES (the default) the includes files
 in the \c INCLUDE_PATH (see below) will be searched if a \#include is found.

\anchor cfg_include_path
<dt>\c INCLUDE_PATH <dd>
 \addindex INCLUDE_PATH
 The \c INCLUDE_PATH tag can be used to specify one or more directories that
 contain include files that are not input files but should be processed by
 the preprocessor.

\anchor cfg_predefined
<dt>\c PREDEFINED <dd>
 \addindex PREDEFINED
 The \c PREDEFINED tag can be used to specify one or more macro names that
 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:
 <code>name</code> or <code>name=definition</code> (no spaces). 
 If the definition and the "=" are omitted,  "=1" is assumed. To prevent
 a macro definition from being undefined via \#undef or recursively expanded
 use the := operator instead of the = operator.

\anchor cfg_expand_as_defined
<dt>\c EXPAND_AS_DEFINED <dd>
 \addindex EXPAND_AS_DEFINED
 If the \c MACRO_EXPANSION and \c EXPAND_ONLY_PREDEF tags are set to \c YES then
 this tag can be used to specify a list of macro names that should be expanded.
 The macro definition that is found in the sources will be used.
 Use the \c PREDEFINED tag if you want to use a different macro definition.

\anchor cfg_skip_function_macros
<dt>\c SKIP_FUNCTION_MACROS <dd>
 \addindex SKIP_FUNCTION_MACROS
 If the \c SKIP_FUNCTION_MACROS tag is set to \c YES (the default) then 
 doxygen's preprocessor will remove all function-like macros that are alone 
 on a line, have an all uppercase name, and do not end with a semicolon. 
 Such function macros are typically 
 used for boiler-plate code, and will confuse the parser if not removed. 

</dl>
\section config_extref External reference options
\anchor cfg_tagfiles
<dl>

<dt>\c TAGFILES <dd> 
 \addindex TAGFILES
 The \c TAGFILES tag can be used to specify one or more tagfiles. 
 
 See section \ref doxytag_usage for more information about the usage of 
 tag files.
 
 Optionally an initial location of the external documentation 
 can be added for each tagfile.
 The format of a tag file without this location is as follows:
 <pre>
TAGFILES = file1 file2 ... </pre>
 Adding location for the tag files is done as follows:
 <pre>
TAGFILES = file1=loc1 "file2 = loc2" ... </pre>
 where \c loc1 and \c loc2 can be relative or absolute paths or URLs, 
 If a location is present for each tag, the installdox tool (see 
 section \ref installdox_usage for more information) does not
 have to be run to correct the links.

 \par Note:
  Each tag file must have a unique name 
  (where the name does \e not include the path)
  If a tag file is not located in the directory in which doxygen 
  is run, you must also specify the path to the tagfile here.

\anchor cfg_generate_tagfile
<dt>\c GENERATE_TAGFILE <dd>
 \addindex GENERATE_TAGFILE
 When a file name is specified after \c GENERATE_TAGFILE, doxygen will create
 a tag file that is based on the input files it reads.
 See section \ref doxytag_usage for more information about the usage of 
 tag files.

\anchor cfg_allexternals
<dt>\c ALLEXTERNALS <dd>
 \addindex ALLEXTERNALS
 If the \c ALLEXTERNALS tag is set to \c YES all external class will be listed
 in the class index. If set to \c NO only the inherited external classes
 will be listed.

\anchor cfg_external_groups
<dt>\c EXTERNAL_GROUPS <dd>
 \addindex EXTERNAL_GROUPS
 If the \c EXTERNAL_GROUPS tag is set to \c YES all external groups will be listed
 in the modules index. If set to \c NO, only the current project's groups will
 be listed.
 
\anchor cfg_perl_path
<dt>\c PERL_PATH <dd>
 \addindex PERL_PATH
 The \c PERL_PATH should be the absolute path and name of the perl script
 interpreter (i.e. the result of `<tt>which perl</tt>').

</dl>
\section config_dot Dot options
\anchor cfg_class_diagrams
<dl>

<dt>\c CLASS_DIAGRAMS <dd>
 \addindex CLASS_DIAGRAMS
 If the \c CLASS_DIAGRAMS tag is set to \c YES (the default) doxygen will
 generate a class diagram (in HTML and \f$\mbox{\LaTeX}\f$) for classes with base or
 super classes. Setting the tag to \c NO turns the diagrams off.
 Note that this option is superseded by the HAVE_DOT option below. 
 This is only a fallback. It is recommended to install and use dot, 
 since it yields more powerful graphs. 

\anchor cfg_mscgen_path
<dt>\c MSCGEN_PATH <dd>
 \addindex MSCGEN_PATH
 You can define message sequence charts within doxygen comments using the \ref cmdmsc "\\msc" 
 command. Doxygen will then run the <a href="http://www.mcternan.me.uk/mscgen/">msgen tool</a>) to 
 produce the chart and insert it in the documentation. The <code>MSCGEN_PATH</code> tag allows you to 
 specify the directory where the mscgen tool resides. If left empty the tool is assumed to 
 be found in the default search path.

\anchor cfg_have_dot
<dt>\c HAVE_DOT <dd>
 \addindex HAVE_DOT
 If you set the \c HAVE_DOT tag to \c YES then doxygen will assume the dot tool is
 available from the path. This tool is part of 
 <a href="http://www.research.att.com/sw/tools/graphviz/">Graphviz</a>, a graph 
 visualization toolkit from AT\&T and Lucent Bell Labs. The other options in 
 this section have no effect if this option is set to \c NO (the default)

\anchor cfg_dot_fontname
<dt>\c DOT_FONTNAME <dd>
 \addindex DOT_FONTNAME
 By default doxygen will write a font called \c FreeSans.ttf to the output
 directory and reference it in all dot files that doxygen generates. This
 font does not include all possible unicode characters however, so when you need 
 these (or just want a differently looking font) you can specify the font name
 using \c DOT_FONTNAME. You need need to make sure dot is able to find the font,
 which can be done by putting it in a standard location or by setting the
 \c DOTFONTPATH environment variable or by setting \c DOT_FONTPATH to the directory
 containing the font.

\anchor cfg_dot_fontpath
<dt>\c DOT_FONTPATH <dd>
 \addindex DOT_FONTPATH
 By default doxygen will tell dot to use the output directory to look for the 
 \c FreeSans.ttf font (which doxygen will put there itself). If you specify a 
 different font using \c DOT_FONTNAME you can set the path where dot 
 can find it using this tag.
 
<dt>\c DOT_FONTNAME <dd>
 \addindex DOT_FONTNAME
 By default doxygen will write a font called FreeSans.ttf to the output 
 directory and reference it in all dot files that doxygen generates. This 
 font does not include all possible unicode characters however, so when you need 
 these (or just want a differently looking font) you can specify the font name 
 using \c DOT_FONTNAME. You need need to make sure dot is able to find the font, 
 which can be done by putting it in a standard location or by setting the \c DOTFONTPATH
 environment variable or by setting \c DOT_FONTPATH to the directory containing
 the font.

<dt>\c DOT_FONTPATH <dd>
 \addindex DOT_FONTPATH
 By default doxygen will tell dot to use the output directory to look for the
 FreeSans.ttf font (which doxygen will put there itself). If you specify a 
 different font using \c DOT_FONTNAME you can set the path where dot 
 can find it using this tag. 

\anchor cfg_class_graph
<dt>\c CLASS_GRAPH <dd>
 \addindex CLASS_GRAPH
 If the \c CLASS_GRAPH and \c HAVE_DOT tags are set to \c YES then doxygen
 will generate a graph for each documented class showing the direct and
 indirect inheritance relations. Setting this tag to \c YES will force the
 the \c CLASS_DIAGRAMS tag to NO.

\anchor cfg_collaboration_graph
<dt>\c COLLABORATION_GRAPH <dd>
 \addindex COLLABORATION_GRAPH
 If the \c COLLABORATION_GRAPH and \c HAVE_DOT tags are set to \c YES then doxygen
 will generate a graph for each documented class showing the direct and
 indirect implementation dependencies (inheritance, containment, and
 class references variables) of the class with other documented classes.

\anchor cfg_group_graphs
<dt>\c GROUP_GRAPHS <dd>
 \addindex GROUP_GRAPHS
 If the GROUP_GRAPHS and HAVE_DOT tags are set to YES then doxygen
 will generate a graph for groups, showing the direct groups dependencies.

\anchor cfg_uml_look
<dt>\c UML_LOOK <dd>
 \addindex UML_LOOK
 If the UML_LOOK tag is set to YES doxygen will generate inheritance and
 collaboration diagrams in a style similar to the OMG's Unified Modeling
 Language.

\anchor cfg_template_relations
<dt>\c TEMPLATE_RELATIONS <dd>
 \addindex TEMPLATE_RELATIONS
 If the \c TEMPLATE_RELATIONS and \c HAVE_DOT tags are set to \c YES then 
 doxygen will show the relations between templates and their instances.

\anchor cfg_hide_undoc_relations
<dt>\c HIDE_UNDOC_RELATIONS <dd>
 \addindex HIDE_UNDOC_RELATIONS
 If set to YES, the inheritance and collaboration graphs will hide
 inheritance and usage relations if the target is undocumented
 or is not a class.

\anchor cfg_include_graph
<dt>\c INCLUDE_GRAPH <dd>
 \addindex INCLUDE_GRAPH 
 If the \c ENABLE_PREPROCESSING, \c SEARCH_INCLUDES, \c INCLUDE_GRAPH, and \c HAVE_DOT
 tags are set to \c YES then doxygen will generate a graph for each documented file
 showing the direct and indirect include dependencies of the file with other
 documented files.

\anchor cfg_included_by_graph
<dt>\c INCLUDED_BY_GRAPH <dd>
 \addindex INCLUDED_BY_GRAPH 
 If the \c ENABLE_PREPROCESSING, \c SEARCH_INCLUDES, \c INCLUDED_BY_GRAPH, and
 \c HAVE_DOT tags are set to \c YES then doxygen will generate a graph for each
 documented header file showing the documented files that directly or indirectly
 include this file.

\anchor cfg_call_graph
<dt>\c CALL_GRAPH <dd>
 \addindex CALL_GRAPH
 If the \c CALL_GRAPH and \c HAVE_DOT tags are set to \c YES then doxygen will 
 generate a call dependency graph for every global function or class method. 
 Note that enabling this option will significantly increase the time of a run.
 So in most cases it will be better to enable call graphs for selected 
 functions only using the \\callgraph command.

\anchor cfg_caller_graph
<dt>\c CALLER_GRAPH <dd>
 \addindex CALLER_GRAPH
 If the \c CALLER_GRAPH and \c HAVE_DOT tags are set to \c YES then doxygen will 
 generate a caller dependency graph for every global function or class method. 
 Note that enabling this option will significantly increase the time of a run.
 So in most cases it will be better to enable caller graphs for selected 
 functions only using the \\callergraph command.

\anchor cfg_graphical_hierarchy
<dt>\c GRAPHICAL_HIERARCHY <dd>
 \addindex GRAPHICAL_HIERARCHY
 If the \c GRAPHICAL_HIERARCHY and \c HAVE_DOT tags are set to \c YES then 
 doxygen will graphical hierarchy of all classes instead of a textual one.

\anchor cfg_directory_graph
<dt>\c DIRECTORY_GRAPH <dd>
 \addindex DIRECTORY_GRAPH		    
 If the \c DIRECTORY_GRAPH, \c SHOW_DIRECTORIES and \c HAVE_DOT options are set 
 to \c 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.

\anchor cfg_dot_graph_max_nodes 
<dt>\c DOT_GRAPH_MAX_NODES <dd>
 \addindex DOT_GRAPH_MAX_NODES
 The \c 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 larger than this value, doxygen will truncate the graph, which is 
 visualized by representing a node as a red box. Note that doxygen if the number
 of direct children of the root node in a graph is already larger than
 \c DOT_GRAPH_MAX_NODES then the graph will not be shown at all. Also note
 that the size of a graph can be further restricted by \c MAX_DOT_GRAPH_DEPTH.

\anchor cfg_max_dot_graph_depth
<dt>\c MAX_DOT_GRAPH_DEPTH <dd>
 \addindex MAX_DOT_GRAPH_DEPTH
 The \c MAX_DOT_GRAPH_DEPTH tag can be used to set the maximum depth of the 
 graphs generated by dot. A depth value of 3 means that only nodes reachable
 from the root by following a path via at most 3 edges will be shown. Nodes
 that lay further from the root node will be omitted. Note that setting this
 option to 1 or 2 may greatly reduce the computation time needed for large
 code bases. Also note that the size of a graph can be further restricted by
 \c DOT_GRAPH_MAX_NODES. Using a depth of 0 means no depth restriction (the default).

\anchor cfg_dot_image_format
<dt>\c DOT_IMAGE_FORMAT <dd>
 \addindex DOT_IMAGE_FORMAT
 The \c DOT_IMAGE_FORMAT tag can be used to set the image format of the images
 generated by dot. Possible values are gif, jpg, and png.
 If left blank png will be used.

\anchor cfg_dot_path
<dt>\c DOT_PATH <dd>
 \addindex DOT_PATH
 This tag can be used to specify the path where the dot tool can be found. 
 If left blank, it is assumed the dot tool can be found on the path. 

\anchor cfg_dotfile_dirs
<dt>\c DOTFILE_DIRS <dd>
 \addindex DOTFILE_DIRS
 This tag can be used to specify one or more directories that 
 contain dot files that are included in the documentation (see the
 \\dotfile command).

\anchor cfg_dot_transparent
<dt>\c DOT_TRANSPARENT <dd>
 \addindex DOT_TRANSPARENT
 Set the \c DOT_TRANSPARENT tag to \c YES to generate images with a transparent 
 background. This is enabled by default, which results in a transparent background. 
 Warning: Depending on the platform used, enabling this option may lead to badly
 anti-aliased labels on the edges of a graph (i.e. they become hard to read).
 
\anchor cfg_dot_multi_targets
<dt>\c DOT_MULTI_TARGETS <dd>
 \addindex DOT_MULTI_TARGET
 Set the \c DOT_MULTI_TARGETS tag to \c YES allow dot to generate multiple output
 files in one run (i.e. multiple -o and -T options on the command line). This
 makes dot run faster, but since only newer versions of dot (>1.8.10)
 support this, this feature is disabled by default.

\anchor cfg_generate_legend 
<dt>\c GENERATE_LEGEND <dd>
 \addindex GENERATE_LEGEND
 If the \c GENERATE_LEGEND tag is set to \c YES (the default) doxygen will
 generate a legend page explaining the meaning of the various boxes and
 arrows in the dot generated graphs.

\anchor cfg_dot_cleanup
<dt>\c DOT_CLEANUP <dd>
 \addindex DOT_CLEANUP
If the \c DOT_CLEANUP tag is set to \c YES (the default) doxygen will
remove the intermediate dot files that are used to generate the various graphs.


</dl>
\section config_search Search engine options
\anchor cfg_searchengine
<dl>

<dt>\c SEARCHENGINE <dd>
 \addindex SEARCHENGINE
 The \c SEARCHENGINE tag specifies whether or not the HTML output should
 contain a search facility. Possible values are \c YES and \c NO. 
 If set to YES, doxygen will produce a search index and a PHP script
 to search through the index. For this to work the documentation should
 be viewed via a web-server running PHP version 4.1.0 or higher.
 (See http://www.php.net/manual/en/installation.php for installation 
 instructions).

</dl>
<h2>Examples</h2>

Suppose you have a simple project consisting of two files: a source file 
\c example.cc and a header file \c example.h.
Then a minimal configuration file is as simple as:
\verbatim
INPUT            = example.cc example.h
\endverbatim

Assuming the example makes use of Qt classes and perl is located 
in <code>/usr/bin</code>, a more realistic configuration file would be:
\verbatim
PROJECT_NAME     = Example
INPUT            = example.cc example.h
WARNINGS         = YES
TAGFILES         = qt.tag
PERL_PATH        = /usr/bin/perl
SEARCHENGINE     = NO
\endverbatim

To generate the documentation for the 
<a href="http://www.stack.nl/~dimitri/qdbttabular/index.html">QdbtTabular</a> package
I have used the following configuration file:
\verbatim
PROJECT_NAME     = QdbtTabular
OUTPUT_DIRECTORY = html
WARNINGS         = YES
INPUT            = examples/examples.doc src
FILE_PATTERNS    = *.cc *.h
INCLUDE_PATH     = examples
TAGFILES         = qt.tag
PERL_PATH        = /usr/local/bin/perl
SEARCHENGINE     = YES
\endverbatim

To regenerate the Qt-1.44 documentation from the sources, you could use the
following config file:
\verbatim
PROJECT_NAME         = Qt
OUTPUT_DIRECTORY     = qt_docs
HIDE_UNDOC_MEMBERS   = YES
HIDE_UNDOC_CLASSES   = YES
ENABLE_PREPROCESSING = YES
MACRO_EXPANSION      = YES
EXPAND_ONLY_PREDEF   = YES
SEARCH_INCLUDES      = YES
FULL_PATH_NAMES      = YES
STRIP_FROM_PATH      = $(QTDIR)/
PREDEFINED           = USE_TEMPLATECLASS Q_EXPORT= \
                       QArrayT:=QArray \
                       QListT:=QList \
                       QDictT:=QDict \
                       QQueueT:=QQueue \
                       QVectorT:=QVector \
                       QPtrDictT:=QPtrDict \
                       QIntDictT:=QIntDict \
                       QStackT:=QStack \
                       QDictIteratorT:=QDictIterator \
                       QListIteratorT:=QListIterator \
                       QCacheT:=QCache \
                       QCacheIteratorT:=QCacheIterator \
                       QIntCacheT:=QIntCache \
                       QIntCacheIteratorT:=QIntCacheIterator \
                       QIntDictIteratorT:=QIntDictIterator \
                       QPtrDictIteratorT:=QPtrDictIterator
INPUT                = $(QTDIR)/doc \
                       $(QTDIR)/src/widgets \
                       $(QTDIR)/src/kernel \
                       $(QTDIR)/src/dialogs \
                       $(QTDIR)/src/tools
FILE_PATTERNS        = *.cpp *.h q*.doc
INCLUDE_PATH         = $(QTDIR)/include 
RECURSIVE            = YES
\endverbatim

For the Qt-2.1 sources I recommend to use the following settings:
\verbatim
PROJECT_NAME          = Qt
PROJECT_NUMBER        = 2.1
HIDE_UNDOC_MEMBERS    = YES
HIDE_UNDOC_CLASSES    = YES
SOURCE_BROWSER        = YES
INPUT                 = $(QTDIR)/src
FILE_PATTERNS         = *.cpp *.h q*.doc
RECURSIVE             = YES
EXCLUDE_PATTERNS      = *codec.cpp moc_* */compat/* */3rdparty/*
ALPHABETICAL_INDEX    = YES
COLS_IN_ALPHA_INDEX   = 3
IGNORE_PREFIX         = Q
ENABLE_PREPROCESSING  = YES
MACRO_EXPANSION       = YES
INCLUDE_PATH          = $(QTDIR)/include
PREDEFINED            = Q_PROPERTY(x)= \
                        Q_OVERRIDE(x)= \
                        Q_EXPORT= \
                        Q_ENUMS(x)= \
                        "QT_STATIC_CONST=static const " \
                        _WS_X11_ \
                        INCLUDE_MENUITEM_DEF
EXPAND_ONLY_PREDEF    = YES
EXPAND_AS_DEFINED     = Q_OBJECT_FAKE Q_OBJECT ACTIVATE_SIGNAL_WITH_PARAM \
                        Q_VARIANT_AS
\endverbatim

Here doxygen's preprocessor is used to substitute some
macro names that are normally substituted by the C preprocessor,
but without doing full macro expansion.

*/