Added X as an optional dependency for libungif-4.1.0b1

git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@2423 af4574ff-66df-0310-9fd7-8a98e5e911e0

general/graphlib/libungif.xml

@@ -19,22 +19,23 @@
 <sect2>
 <title>Introduction to <application>libungif</application></title>
 
-<para>The libungif package contains libraries for reading all
+<para>The <application>libungif</application> package contains libraries for 
-<acronym>GIF</acronym>s and writing non-compressed ones as well as programs for 
+reading all <acronym>GIF</acronym>s and writing non-compressed ones as well as 
-converting and working with <acronym>GIF</acronym> files.  The libraries are
+programs for converting and working with <acronym>GIF</acronym> files. The 
-useful for any graphics program wishing to deal with <acronym>GIF</acronym>
+libraries are useful for any graphics program wishing to deal with 
-files while the programs are useful for conversion purposes as well as cleaning 
+<acronym>GIF</acronym> files while the programs are useful for conversion 
-up images.</para>
+purposes as well as cleaning up images.</para>
 
-<para>The reason libungif only writes non-compressed <acronym>GIF</acronym>s
+<para>The reason <application>libungif</application> only writes non-compressed 
-is due to a legal issue with <acronym>LZW</acronym> compression (which Unisys
+<acronym>GIF</acronym>s is due to a legal issue with <acronym>LZW</acronym> 
-claims a patent on). Reading <acronym>GIF</acronym>s is not a problem as the
+compression (which Unisys claims a patent on). Reading <acronym>GIF</acronym>s 
-decompression routines do not seem to be limited in this way.  Note that this
+is not a problem as the decompression routines do not seem to be limited in 
-has in the past been disputed.  The best way to avoid this whole mess is to
+this way.  Note that this has in the past been disputed. The best way to avoid 
-simply use libungif for looking at <acronym>GIF</acronym> images on the web,
+this whole mess is to simply use <application>libungif</application> for 
-while in any pages which you design, use the open source <acronym>PNG</acronym> 
+looking at <acronym>GIF</acronym> images on the web, while in any pages which 
-format instead (which uses, not surprisingly, the libpng library) which has no
+you design, use the open source <acronym>PNG</acronym> format instead (which 
-patent issues at all.</para>
+uses, not surprisingly, the <application>libpng</application> library) which 
+has no patent issues at all.</para>
 
 <sect3><title>Package information</title>
 <itemizedlist spacing='compact'>
@@ -52,6 +53,11 @@ url="&patch-root;/libungif-&libungif-version;-va_start-1.patch"/></para></listit
 </itemizedlist>
 </sect3>
 
+<sect3><title><application>libungif</application> dependencies</title>
+<sect4><title>Optional</title>
+<para>X (<xref linkend="xfree86"/> or <xref linkend="xorg"/>)</para></sect4>
+</sect3>
+
 </sect2>
 
 <sect2>
@@ -107,8 +113,8 @@ printers.</para></sect3>
 </para></sect3>
 
 <sect3><title>gif2rgb</title>
-<para>Convert images saved as <acronym>GIF</acronym> to 24-bit <acronym>RGB
+<para>Convert images saved as <acronym>GIF</acronym> to 24-bit 
-</acronym> image(s).</para></sect3>
+<acronym>RGB</acronym> image(s).</para></sect3>
 
 <sect3><title>gifasm</title>
 <para>Assemble multiple <acronym>GIF</acronym>s into one, or burst a
@@ -168,7 +174,8 @@ pipelines.</para></sect3>
 <acronym>GIF</acronym>.</para></sect3>
 
 <sect3><title>gifpos</title>
-<para>Change a GIF's screen size or recondition it.</para></sect3>
+<para>Change a <acronym>GIF</acronym>'s screen size or recondition 
+it.</para></sect3>
 
 <sect3><title>gifrotat</title>
 <para>Rotate a <acronym>GIF</acronym> through any desired angle.</para></sect3>