Index: introduction/welcome/changelog.xml
===================================================================
--- introduction/welcome/changelog.xml	(revision de4a244cef9173b0e83544388f087ef4e7386a6e)
+++ introduction/welcome/changelog.xml	(revision 6b4bc1711dd8c3377036ec24486d125fac150e31)
@@ -46,4 +46,8 @@
       <itemizedlist>
         <listitem>
+          <para>[pierre] - Add libxcvt-0.1.1, needed by xorg-server-21.1.1.
+          Part of <ulink url="&blfs-ticket-root;15709">#15709</ulink>.</para>
+        </listitem>
+        <listitem>
           <para>[pierre] - Update to samba-4.15.2 (security fix). Fixes
           <ulink url="&blfs-ticket-root;15742">#15742</ulink>.</para>
Index: packages.ent
===================================================================
--- packages.ent	(revision de4a244cef9173b0e83544388f087ef4e7386a6e)
+++ packages.ent	(revision 6b4bc1711dd8c3377036ec24486d125fac150e31)
@@ -702,4 +702,5 @@
 <!ENTITY xcb-proto-version            "1.14.1">
 <!ENTITY libxcb-version               "1.14">
+<!ENTITY libxcvt-version              "0.1.1">
 <!ENTITY xcb-util-version             "0.4.0">
 <!ENTITY xcb-util-image-version       "0.4.0">
Index: x/installing/installing.xml
===================================================================
--- x/installing/installing.xml	(revision de4a244cef9173b0e83544388f087ef4e7386a6e)
+++ x/installing/installing.xml	(revision 6b4bc1711dd8c3377036ec24486d125fac150e31)
@@ -62,4 +62,5 @@
   <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="libxcb.xml"/>
   <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="x7lib.xml"/>
+  <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="libxcvt.xml"/>
   <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="xcb-util.xml"/>
   <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="xcb-util-image.xml"/>
Index: x/installing/libxcvt.xml
===================================================================
--- x/installing/libxcvt.xml	(revision 6b4bc1711dd8c3377036ec24486d125fac150e31)
+++ x/installing/libxcvt.xml	(revision 6b4bc1711dd8c3377036ec24486d125fac150e31)
@@ -0,0 +1,156 @@
+<?xml version="1.0" encoding="ISO-8859-1"?>
+<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
+   "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
+  <!ENTITY % general-entities SYSTEM "../../general.ent">
+  %general-entities;
+
+  <!ENTITY libxcvt-download-http "&xorg-download-http;/lib/libxcvt-&libxcvt-version;.tar.xz">
+  <!ENTITY libxcvt-download-ftp  "&xorg-download-ftp;/lib/libxcvt-&libxcvt-version;.tar.xz">
+  <!ENTITY libxcvt-md5sum        "9f30247e8b5a09fa1df9538252a192b5">
+  <!ENTITY libxcvt-size          "9.4 KB">
+  <!ENTITY libxcvt-buildsize     "584 KB">
+  <!ENTITY libxcvt-time          "less than 0.1 SBU">
+]>
+
+<sect1 id="libxcvt" xreflabel="libxcvt-&libxcvt-version;">
+  <?dbhtml filename="libxcvt.html"?>
+
+  <sect1info>
+    <date>$Date$</date>
+  </sect1info>
+
+  <title>libxcvt-&libxcvt-version;</title>
+
+  <indexterm zone="libxcvt">
+    <primary sortas="a-libxcvt">libxcvt</primary>
+  </indexterm>
+
+  <sect2 role="package">
+    <title>Introduction to libxcvt</title>
+
+    <para>
+      <application>libxcvt</application> is a library providing a standalone
+      version of the X server implementation of the VESA CVT standard timing
+      modelines generator. It is meant to be a direct replacement to the
+      version formerly provided by the Xorg server.
+    </para>
+
+    &lfs110a_checked;
+
+    <bridgehead renderas="sect3">Package Information</bridgehead>
+    <itemizedlist spacing="compact">
+      <listitem>
+        <para>
+          Download (HTTP): <ulink url="&libxcvt-download-http;"/>
+        </para>
+      </listitem>
+      <listitem>
+        <para>
+          Download (FTP): <ulink url="&libxcvt-download-ftp;"/>
+        </para>
+      </listitem>
+      <listitem>
+        <para>
+          Download MD5 sum: &libxcvt-md5sum;
+        </para>
+      </listitem>
+      <listitem>
+        <para>
+          Download size: &libxcvt-size;
+        </para>
+      </listitem>
+      <listitem>
+        <para>
+          Estimated disk space required: &libxcvt-buildsize;
+        </para>
+      </listitem>
+      <listitem>
+        <para>
+          Estimated build time: &libxcvt-time;
+        </para>
+      </listitem>
+    </itemizedlist>
+
+    <para condition="html" role="usernotes">
+      User Notes: <ulink url="&blfs-wiki;/libxcvt"/>
+    </para>
+  </sect2>
+
+  <sect2 role="installation">
+    <title>Installation of libxcvt</title>
+
+    <para>
+      Install <application>libxcvt</application> by running the following
+      commands:
+    </para>
+
+<screen><userinput>mkdir build &amp;&amp;
+cd build    &amp;&amp;
+
+meson --prefix=/usr .. &amp;&amp;
+ninja</userinput></screen>
+
+    <para>
+      This package does not come with a test suite.
+    </para>
+
+    <para>
+      Now, as the <systemitem class="username">root</systemitem> user:
+    </para>
+
+<screen role="root"><userinput>ninja install</userinput></screen>
+  </sect2>
+
+  <sect2 role="content">
+    <title>Contents</title>
+
+    <segmentedlist>
+      <segtitle>Installed Program</segtitle>
+      <segtitle>Installed Library</segtitle>
+      <segtitle>Installed Directory</segtitle>
+
+      <seglistitem>
+        <seg>
+          cvt
+        </seg>
+        <seg>
+          libxcvt.so
+        </seg>
+        <seg>
+          /usr/include/libxcvt
+        </seg>
+      </seglistitem>
+    </segmentedlist>
+
+    <variablelist>
+      <bridgehead renderas="sect3">Short Descriptions</bridgehead>
+      <?dbfo list-presentation="list"?>
+      <?dbhtml list-presentation="table"?>
+
+      <varlistentry id="cvt">
+        <term><command>cvt</command></term>
+        <listitem>
+          <para>
+            calculates VESA Coordinated Video Timing (CVT) modelines for use
+            with X
+          </para>
+          <indexterm zone="libxcvt cvt">
+            <primary sortas="b-cvt">cvt</primary>
+          </indexterm>
+        </listitem>
+      </varlistentry>
+
+      <varlistentry id="libxcvt-lib">
+        <term><filename class="libraryfile">libxcvt.so</filename></term>
+        <listitem>
+          <para>
+            contains functions for calculating VESA CVT
+          </para>
+          <indexterm zone="libxcvt libxcvt-lib">
+            <primary sortas="c-libxcvt">libxcvt.so</primary>
+          </indexterm>
+        </listitem>
+      </varlistentry>
+    </variablelist>
+  </sect2>
+</sect1>
