Add USES=terminfo and @terminfo.

Sponsored by:	Absolight
Differential Revision:	https://reviews.freebsd.org/D3853

en_US.ISO8859-1/books/porters-handbook/plist/chapter.xml

@@ -436,6 +436,21 @@ PLIST_SUB+=	X11I386="@comment "
 	<filename>/etc/shells</filename>.</para>
     </sect2>
 
+    <sect2 xml:id="plist-keywords-terminfo">
+      <title><literal>@terminfo</literal></title>
+
+      <para>Do not use by itself.  If the port installs
+	<filename><replaceable>*</replaceable>.terminfo</filename>
+	files, add <link linkend="uses-terminfo">USES=terminfo</link>
+	to its <filename>Makefile</filename>.</para>
+
+      <para>On installation and deinstallation, if
+	<command>tic</command> is present, refresh
+	<filename>${PREFIX}/share/misc/terminfo.db</filename> from the
+	<filename><replaceable>*</replaceable>.terminfo</filename>
+	files in <filename>${PREFIX}/share/misc</filename>.</para>
+    </sect2>
+
     <sect2 xml:id="plist-keywords-base">
       <title>Base Keywords</title>
 

en_US.ISO8859-1/books/porters-handbook/uses/chapter.xml

@@ -8,7 +8,7 @@
 
 <!--
 
-  Document up-to date with r396872 revision of the ports tree.
+  Document up-to date with r398827 revision of the ports tree.
 
   This file documents the values of the USES make variable.  The
   format is easy to grasp from the already-added entries below (or use
@@ -1239,6 +1239,18 @@ GSSAPI_NONE_CONFIGURE_ON=	--without-gssapi</programlisting>
     </itemizedlist>
   </sect1>
 
+  <sect1 xml:id="uses-terminfo">
+    <title><literal>terminfo</literal></title>
+
+    <para>Possible arguments: (none)</para>
+
+    <para>Adds <link
+	linkend="plist-keywords-terminfo"><literal>@terminfo</literal></link>
+      to the <filename>plist</filename>.  Use when the port installs
+      <filename><replaceable>*</replaceable>.terminfo</filename> files
+      in <filename>${PREFIX}/share/misc</filename>.</para>
+  </sect1>
+
   <sect1 xml:id="uses-tk">
     <title><literal>tk</literal></title>