Incorrect and redirect links in documentation

Number of incorrect links (changelog)
Permanent redirect of links in documentation (and in the documentation generated from config.xml)
Image names / contents havechanged from png to svg for some "icons" (doxygen_manual.css)

Author: albert-github

doc/changelog.doc

@@ -3129,7 +3129,7 @@ See also the \ref emojisup "emoji support page" for details.
 
   \addindex \\msc
   Starts a text fragment which should contain a valid description of a
-  message sequence chart. See http://www.mcternan.me.uk/mscgen/ for examples.
+  message sequence chart. See https://www.mcternan.me.uk/mscgen/ for examples.
   The text fragment ends with \ref cmdendmsc "\\endmsc".
 
   The first argument is optional and can be used to specify the caption
@@ -3310,7 +3310,7 @@ class Receiver
 
   \addindex \\mscfile
   Inserts an image generated by mscgen from \<file\> into the documentation.
-  See http://www.mcternan.me.uk/mscgen/ for examples.
+  See https://www.mcternan.me.uk/mscgen/ for examples.
 
   The first argument specifies the file name of the image.
   doxygen will look for files in the paths (or files) that you specified

doc/commands.doc

@@ -434,7 +434,7 @@ files that you implicitly load via navigating through the index. As a
 result this works even for very large projects where reading all XML
 files as one big DOM tree would not fit into memory.
 
-See <a href="https://github.com/michaeljones/breathe">the Breathe project</a> for
+See <a href="https://github.com/breathe-doc/breathe">the Breathe project</a> for
 an example that uses doxygen XML output from Python to bridge it with the
 <a href="http://www.sphinx-doc.org/en/stable/">Sphinx</a> document generator.
 

doc/customize.doc

@@ -22,7 +22,7 @@
   Doxygen can use the "dot" tool from graphviz to generate
   more advanced diagrams and graphs. Graphviz is an open-source, 
   cross-platform graph drawing toolkit and can be found 
-  at http://www.graphviz.org/
+  at https://www.graphviz.org/
 
   If you have the "dot" tool in the path, you can set
   \ref cfg_have_dot "HAVE_DOT" to \c YES in the configuration file to 

doc/diagrams.doc

@@ -799,7 +799,7 @@ div.directory {
     width: 24px;
     height: 18px;
     margin-bottom: 4px;
-    background-image:url('folderopen.png');
+    background-image:url('folderopen.svg');
     background-position: 0px -4px;
     background-repeat: repeat-y;
     vertical-align:top;
@@ -810,7 +810,7 @@ div.directory {
     width: 24px;
     height: 18px;
     margin-bottom: 4px;
-    background-image:url('folderclosed.png');
+    background-image:url('folderclosed.svg');
     background-position: 0px -4px;
     background-repeat: repeat-y;
     vertical-align:top;
@@ -821,7 +821,7 @@ div.directory {
     width: 24px;
     height: 18px;
     margin-bottom: 4px;
-    background-image:url('doc.png');
+    background-image:url('doc.svg');
     background-position: 0px -4px;
     background-repeat: repeat-y;
     vertical-align:top;

doc/doxygen_manual.css

@@ -119,7 +119,7 @@ For HTML and \LaTeX there are additional options available.
 
 Doxygen can produce a number of diagrams. Using the Diagrams pane you
 can select which ones to generate. For most diagrams the
-`dot` tool of the <a href="http://www.graphviz.org">GraphViz</a> package
+`dot` tool of the <a href="https://www.graphviz.org">GraphViz</a> package
 is needed. This needs to be installed separately.
 
 \image html doxywizard_page4.png "Wizard tab: Diagrams to generate"

doc/doxywizard_usage.doc

@@ -59,7 +59,7 @@ browser via an URL starting with http:)
 How to setup a web server is outside the scope of this document,
 but if you for instance have Apache installed, you could simply copy the 
 `doxysearch.cgi` file from doxygen's `bin` directory to the `cgi-bin` directory of the
-Apache web server. Read the <a href="http://httpd.apache.org/docs/2.2/howto/cgi.html">apache documentation</a> for details.
+Apache web server. Read the <a href="https://httpd.apache.org/docs/2.2/howto/cgi.html">apache documentation</a> for details.
 
 To test if `doxysearch.cgi` is accessible start your web browser and
 point to URL to the binary and add `?test` at the end

doc/extsearch.doc

@@ -100,7 +100,7 @@
 Although doxygen can now be used in any project written in a language that is 
 supported by doxygen, initially it was specifically designed to be used for projects 
 that make use of Qt Software's 
-<A HREF="https://www.qt.io/developers">Qt toolkit</A>. I have tried to 
+<A HREF="https://doc.qt.io">Qt toolkit</A>. I have tried to 
 make doxygen `Qt-compatible'. That is: Doxygen can read the documentation contained in 
 the Qt source code and create a class browser that looks quite similar to the 
 one that is generated by Qt Software. Doxygen understands the C++ extensions 

doc/features.doc

@@ -96,7 +96,7 @@ The part `<!-- ... -->` will not be shown in the main documentation.
 
 \section htmlentities HTML4 character entities
 
-The list of special HTML4 character entities with their descriptions has been taken from: <a href="http://www.w3.org/TR/html4/sgml/entities.html">Character entity references in HTML 4</a>.
+The list of special HTML4 character entities with their descriptions has been taken from: <a href="https://www.w3.org/TR/html4/sgml/entities.html">Character entity references in HTML 4</a>.
 ( Portions &copy; International Organization for Standardization 1986
   Permission to copy in any form is granted for use with
   conforming SGML systems and applications as defined in

doc/htmlcmds.doc

@@ -171,7 +171,7 @@ Thanks go to:
     for rendering the logos.
 <li>Harm van der Heijden for adding HTML help support.
 <li>Wouter Slegers of
-    <a href="http://www.yourcreativesolutions.nl">Your Creative Solutions</a>
+    <a href="https://yourcreativesolutions.nl">Your Creative Solutions</a>
     for registering the www.doxygen.org domain.
 <li>Martin Kreis for adding VHDL support.
 <li>Parker Waechter for adding the RTF output generator.