From 7d7a0be99e69781878c2712e327a446c1a4d9e54 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Thu, 21 Jul 2022 10:54:53 -0400
Subject: Remove configuration not supported by Doxygen 1.9.1

These all have the default value anyway.
---
 doc/c/reference.doxygen.in | 57 ----------------------------------------------
 1 file changed, 57 deletions(-)

diff --git a/doc/c/reference.doxygen.in b/doc/c/reference.doxygen.in
index 3280f75..83589fe 100644
--- a/doc/c/reference.doxygen.in
+++ b/doc/c/reference.doxygen.in
@@ -592,12 +592,6 @@ HIDE_SCOPE_NAMES       = NO
 
 HIDE_COMPOUND_REFERENCE= NO
 
-# If the SHOW_HEADERFILE tag is set to YES then the documentation for a class
-# will show which file needs to be included to use the class.
-# The default value is: YES.
-
-SHOW_HEADERFILE        = YES
-
 # 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.
 # The default value is: YES.
@@ -809,13 +803,6 @@ WARN_IF_UNDOCUMENTED   = YES
 
 WARN_IF_DOC_ERROR      = YES
 
-# If WARN_IF_INCOMPLETE_DOC is set to YES, doxygen will warn about incomplete
-# function parameter documentation. If set to NO, doxygen will accept that some
-# parameters have no documentation without warning.
-# The default value is: YES.
-
-WARN_IF_INCOMPLETE_DOC = YES
-
 # This WARN_NO_PARAMDOC option can be enabled to get warnings for functions that
 # are documented, but have no documentation for their parameters or return
 # value. If set to NO, doxygen will only warn about wrong parameter
@@ -1335,13 +1322,6 @@ GENERATE_DOCSET        = NO
 
 DOCSET_FEEDNAME        = "Doxygen generated docs"
 
-# This tag determines the URL of the docset 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.
-# This tag requires that the tag GENERATE_DOCSET is set to YES.
-
-DOCSET_FEEDURL         =
-
 # This tag specifies a string that should uniquely identify the documentation
 # set bundle. This should be a reverse domain-name style string, e.g.
 # com.mycompany.MyDocSet. Doxygen will append .docset to the name.
@@ -1541,18 +1521,6 @@ DISABLE_INDEX          = NO
 
 GENERATE_TREEVIEW      = NO
 
-# When both GENERATE_TREEVIEW and DISABLE_INDEX are set to YES, then the
-# FULL_SIDEBAR option determines if the side bar is limited to only the treeview
-# area (value NO) or if it should extend to the full height of the window (value
-# YES). Setting this to YES gives a layout similar to
-# https://docs.readthedocs.io with more room for contents, but less room for the
-# project logo, title, and description. If either GENERATE_TREEVIEW or
-# DISABLE_INDEX is set to NO, this option has no effect.
-# The default value is: NO.
-# This tag requires that the tag GENERATE_HTML is set to YES.
-
-FULL_SIDEBAR           = NO
-
 # The ENUM_VALUES_PER_LINE tag can be used to set the number of enum values that
 # doxygen will group on one line in the generated HTML documentation.
 #
@@ -1577,13 +1545,6 @@ TREEVIEW_WIDTH         = 250
 
 EXT_LINKS_IN_WINDOW    = NO
 
-# If the OBFUSCATE_EMAILS tag is set to YES, doxygen will obfuscate email
-# addresses.
-# The default value is: YES.
-# This tag requires that the tag GENERATE_HTML is set to YES.
-
-OBFUSCATE_EMAILS       = YES
-
 # If the HTML_FORMULA_FORMAT option is set to svg, doxygen will use the pdf2svg
 # tool (see https://github.com/dawbarton/pdf2svg) or inkscape (see
 # https://inkscape.org) to generate formulas as SVG images instead of PNGs for
@@ -1632,17 +1593,6 @@ FORMULA_MACROFILE      =
 
 USE_MATHJAX            = NO
 
-# With MATHJAX_VERSION it is possible to specify the MathJax version to be used.
-# Note that the different versions of MathJax have different requirements with
-# regards to the different settings, so it is possible that also other MathJax
-# settings have to be changed when switching between the different MathJax
-# versions.
-# Possible values are: MathJax_2 and MathJax_3.
-# The default value is: MathJax_2.
-# This tag requires that the tag USE_MATHJAX is set to YES.
-
-MATHJAX_VERSION        = MathJax_2
-
 # When MathJax is enabled you can set the default output format to be used for
 # the MathJax output. For more details about the output format see MathJax
 # version 2 (see:
@@ -2489,13 +2439,6 @@ GRAPHICAL_HIERARCHY    = YES
 
 DIRECTORY_GRAPH        = NO
 
-# The DIR_GRAPH_MAX_DEPTH tag can be used to limit the maximum number of levels
-# of child directories generated in directory dependency graphs by dot.
-# Minimum value: 1, maximum value: 25, default value: 1.
-# This tag requires that the tag DIRECTORY_GRAPH is set to YES.
-
-DIR_GRAPH_MAX_DEPTH    = 1
-
 # The DOT_IMAGE_FORMAT tag can be used to set the image format of the images
 # generated by dot. For an explanation of the image formats see the section
 # output formats in the documentation of the dot tool (Graphviz (see:
-- 
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