Fix libxml2 build breakage when icu68 is used.

git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@23856 af4574ff-66df-0310-9fd7-8a98e5e911e0

general/genlib/libxml2.xml

@@ -111,7 +111,7 @@
 
     <bridgehead renderas="sect4">Optional</bridgehead>
     <para role="optional">
-      <xref linkend="icu"/> and
+      <xref linkend="icu"/> (see below) and
       <xref linkend="valgrind"/> (may be used in the tests)
     </para>
 
@@ -143,6 +143,13 @@
 
 <screen><userinput>sed -i 's/test.test/#&amp;/' python/tests/tstLastError.py</userinput></screen>
 
+    <para>
+      If, and only if, you are using <xref linkend="icu"/>, fix a
+      build breakage caused by that version by running the following command:
+    </para>
+
+<screen><userinput>sed -i 's/ TRUE/ true/' encoding.c</userinput></screen>
+
     <para>
       Install <application>libxml2</application> by running the following
       commands:

introduction/welcome/changelog.xml

@@ -44,6 +44,9 @@
     <listitem>
       <para>October 30th, 2020</para>
       <itemizedlist>
+        <listitem>
+          <para>[ken] - Fix libxml2 build when ICU-68 is used.</para>
+        </listitem>
         <listitem>
           <para>[renodr] - Update to node.js-14.15.0. Fixes
           <ulink url="&blfs-ticket-root;14181">#14181</ulink>.</para>