update package rationales

1 files changed, 18 insertions, 2 deletions

diff --git a/prologue/why.xml b/prologue/why.xml
index e2b9a55a1..3996e3c2d 100644
--- a/prologue/why.xml
+++ b/prologue/why.xml
@@ -295,6 +295,13 @@
         tools package (net-tools) for its IPv6 capabilities.  </para>
       </listitem>
 
+      <listitem revision="systemd">
+        <para>Jinja2</para>
+
+        <para>This package is a Python module for text templating.
+        It's required to build Systemd.</para>
+      </listitem>
+
       <listitem>
         <para>Kbd</para>
 
@@ -386,6 +393,13 @@
         of packages.  It is required by almost every package in LFS.</para>
       </listitem>
 
+      <listitem revision="systemd">
+        <para>MarkupSafe</para>
+
+        <para>This package is a Python module for processing strings in
+        HTML/XHTML/XML safely.  Jinja2 requires this pacakge.</para>
+      </listitem>
+
       <listitem>
         <para>Man-DB</para>
 
@@ -408,7 +422,8 @@
         <para>This package provides a software tool for automating the building
         of software. The main goal for Meson is to minimize the amount of time
         that software developers need to spend configuring their build
-        system.</para>
+        system.  It's required to build Systemd, as well as many BLFS
+        packages.</para>
 
       </listitem>
 
@@ -431,7 +446,8 @@
 
         <para>This package contains a small build system with a focus on speed.
         It is designed to have its input files generated by a higher-level build
-        system, and to run builds as fast as possible.</para>
+        system, and to run builds as fast as possible.
+        This package is required by Meson.</para>
 
       </listitem>