libstdc++: Convert three doxygen.nl links to https

libstdc++-v3:
2020-12-25  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/xml/manual/documentation_hacking.xml: Convert three links
	to doxygen.nl to https.
	* doc/html/manual/documentation_hacking.html: Regenerate.

2 files changed, 6 insertions, 6 deletions

diff --git a/libstdc++-v3/doc/html/manual/documentation_hacking.html b/libstdc++-v3/doc/html/manual/documentation_hacking.html
index f6f32fb..c978d5f 100644
--- a/libstdc++-v3/doc/html/manual/documentation_hacking.html
+++ b/libstdc++-v3/doc/html/manual/documentation_hacking.html
@@ -114,7 +114,7 @@
       <span class="emphasis"><em>ps</em></span>, and <span class="emphasis"><em>dvi</em></span>.
     </p></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a id="doc.doxygen"></a>Doxygen</h3></div></div></div><div class="section"><div class="titlepage"><div><div><h4 class="title"><a id="doxygen.prereq"></a>Prerequisites</h4></div></div></div><div class="table"><a id="table.doxygen_prereq"></a><p class="title"><strong>Table B.1. Doxygen Prerequisites</strong></p><div class="table-contents"><table class="table" summary="Doxygen Prerequisites" border="1"><colgroup><col align="center" class="c1" /><col align="center" class="c2" /><col align="center" class="c3" /></colgroup><thead><tr><th align="center">Tool</th><th align="center">Version</th><th align="center">Required By</th></tr></thead><tbody><tr><td align="center">coreutils</td><td align="center">8.5</td><td align="center">all</td></tr><tr><td align="center">bash</td><td align="center">4.1</td><td align="center">all</td></tr><tr><td align="center">doxygen</td><td align="center">1.7.6.1</td><td align="center">all</td></tr><tr><td align="center">graphviz</td><td align="center">2.26</td><td align="center">graphical hierarchies</td></tr><tr><td align="center">pdflatex</td><td align="center">2007-59</td><td align="center">pdf output</td></tr></tbody></table></div></div><br class="table-break" /><p>
 	Prerequisite tools are Bash 2.0 or later,
-	<a class="link" href="http://www.doxygen.nl" target="_top">Doxygen</a>, and
+	<a class="link" href="https://www.doxygen.nl" target="_top">Doxygen</a>, and
 	the <a class="link" href="http://www.gnu.org/software/coreutils/" target="_top">GNU
 	coreutils</a>. (GNU versions of find, xargs, and possibly
 	sed and grep are used, just because the GNU versions make
@@ -232,7 +232,7 @@
       </p><p>
 	Adding Doxygen markup to a file (informally called
 	<span class="quote">“<span class="quote">doxygenating</span>”</span>) is very simple. See the
-	<a class="link" href="http://www.doxygen.nl/download.html#latestman" target="_top">Doxygen
+	<a class="link" href="https://www.doxygen.nl/download.html#latestman" target="_top">Doxygen
          manual</a> for details.
 	We try to use a very-recent version of Doxygen.
       </p><p>
@@ -245,7 +245,7 @@
 	these member functions.
       </p><p>
 	Some commentary to accompany
-	the first list in the <a class="link" href="http://www.doxygen.nl/manual/docblocks.html" target="_top">Special
+	the first list in the <a class="link" href="https://www.doxygen.nl/manual/docblocks.html" target="_top">Special
 	Documentation Blocks</a> section of the Doxygen manual:
       </p><div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem"><p>For longer comments, use the Javadoc style...</p></li><li class="listitem"><p>
 	    ...not the Qt style. The intermediate *'s are preferred.
diff --git a/libstdc++-v3/doc/xml/manual/documentation_hacking.xml b/libstdc++-v3/doc/xml/manual/documentation_hacking.xml
index 7231208..03bf1f1 100644
--- a/libstdc++-v3/doc/xml/manual/documentation_hacking.xml
+++ b/libstdc++-v3/doc/xml/manual/documentation_hacking.xml
@@ -261,7 +261,7 @@
 
       <para>
 	Prerequisite tools are Bash 2.0 or later,
-	<link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.doxygen.nl">Doxygen</link>, and
+	<link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="https://www.doxygen.nl">Doxygen</link>, and
 	the <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.gnu.org/software/coreutils/">GNU
 	coreutils</link>. (GNU versions of find, xargs, and possibly
 	sed and grep are used, just because the GNU versions make
@@ -447,7 +447,7 @@
 	Adding Doxygen markup to a file (informally called
 	<quote>doxygenating</quote>) is very simple. See the
 	<link xmlns:xlink="http://www.w3.org/1999/xlink"
-         xlink:href="http://www.doxygen.nl/download.html#latestman">Doxygen
+         xlink:href="https://www.doxygen.nl/download.html#latestman">Doxygen
          manual</link> for details.
 	We try to use a very-recent version of Doxygen.
       </para>
@@ -465,7 +465,7 @@
       <para>
 	Some commentary to accompany
 	the first list in the <link xmlns:xlink="http://www.w3.org/1999/xlink"
-        xlink:href="http://www.doxygen.nl/manual/docblocks.html">Special
+        xlink:href="https://www.doxygen.nl/manual/docblocks.html">Special
 	Documentation Blocks</link> section of the Doxygen manual:
       </para>