src/references/instructions/client/handshake/size.xml

<?xml version="1.0" encoding="UTF-8"?>

<section xml:id="size-handshake-instruction"
    xmlns="http://docbook.org/ns/docbook" version="5.0" xml:lang="en"
    xmlns:xi="http://www.w3.org/2001/XInclude">
    <title>size</title>
    <indexterm>
        <primary>size</primary>
    </indexterm>
    <para>Specifies the client's optimal screen size and resolution. This is the second instruction
        sent during the handshake phase.</para>
    <variablelist>
        <varlistentry>
            <term><parameter>width</parameter></term>
            <listitem>
                <para>The optimal screen width.</para>
            </listitem>
        </varlistentry>
        <varlistentry>
            <term><parameter>height</parameter></term>
            <listitem>
                <para>The optimal screen height.</para>
            </listitem>
        </varlistentry>
        <varlistentry>
            <term><parameter>dpi</parameter></term>
            <listitem>
                <para>The optimal screen resolution, in approximate DPI.</para>
            </listitem>
        </varlistentry>
    </variablelist>
</section>