</term>
<listitem>
<para>
- A tag that can be set on a message by the user in order to draw
- attention to the message. Marks are shown in the Mark column of the
- Message List.
+ An arbitrary indicator that can be set on a message by the user in
+ order to draw attention to the message. Marks are shown in the Mark
+ column of the Message List.
</para>
</listitem>
</varlistentry>
-->
<variablelist>
<title>P</title>
+ <varlistentry id="gt_pdf">
+ <term>
+ <acronym>PDF</acronym>
+ </term>
+ <listitem>
+ <para>
+ Portable Document Format. An open binary file format developed by Adobe
+ Systems to allow interchanging of printable documents between different
+ platforms. Inherits some features from <xref linkend="gt_postscript" />
+ but not being a language made it easier to process, especially on
+ desktop computers.
+ </para>
+ </listitem>
+ </varlistentry>
<varlistentry id="gt_pgp_inline">
<term>
<acronym>PGP</acronym> Inline
</para>
</listitem>
</varlistentry>
+ <varlistentry id="gt_postscript">
+ <term>
+ <acronym>PostScript</acronym>
+ </term>
+ <listitem>
+ <para>
+ Page description language primarily used and understood by printing
+ devices to generate its output. Was developed by Adobe Systems and
+ is now a widely used standard in the printing industry. As it's a
+ fully featured interpreted language it requires some processing power
+ to deal with.
+ </para>
+ </listitem>
+ </varlistentry>
<varlistentry id="gt_privacy_gpg">
<term>
Privacy (<acronym>GPG</acronym>)