Author: matthew
Date: 2011-06-05 11:25:03 -0600 (Sun, 05 Jun 2011)
New Revision: 9561

Modified:
   trunk/BOOK/prologue/why.xml
Log:
Add rationale for Glib and PCRE. Fixes #2885.

Modified: trunk/BOOK/prologue/why.xml
===================================================================
--- trunk/BOOK/prologue/why.xml 2011-06-05 17:06:36 UTC (rev 9560)
+++ trunk/BOOK/prologue/why.xml 2011-06-05 17:25:03 UTC (rev 9561)
@@ -163,6 +163,14 @@
       </listitem>
 
       <listitem>
+        <para>Glib</para>
+
+        <para>This package contains low-level core library functions for things
+        such as event loops and threading.  It is used by one other LFS 
package,
+        Pkg-config.</para>
+      </listitem>
+
+      <listitem>
         <para>Glibc</para>
 
         <para>This package contains the main C library.  Linux programs would
@@ -329,6 +337,15 @@
       </listitem>
 
       <listitem>
+        <para>PCRE</para>
+
+        <para>This package is provides a library that can be used to implement
+        regular expression pattern matching using the same syntax and semantics
+        as Perl 5.  It is a mandatory dependency of Glib, and can also be used
+        by Grep.</para>
+      </listitem>
+
+      <listitem>
         <para>Perl</para>
 
         <para>This package is an interpreter for the runtime language

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