0 and 255 inclusive.  Hexadecimal escapes satisfy this condition
by construction. The escapes <code>\u</code> and <code>\U</code>
represent Unicode code points so within them some values are illegal,
in particular those above <code>0x10FFFF</code> and surrogate halves.
</p>

<p>
After a backslash, certain single-character escapes represent special values:
</p>

<pre class="grammar">
\a   U+0007 alert or bell
\b   U+0008 backspace

      <match value="#\ This\ is\ a\ shell\ archive" type="string" offset="10"/>
      <match value="\037\036" type="string" offset="0"/>
      <match value="017437" type="host16" offset="0"/>
      <match value="0x1fff" type="host16" offset="0"/>
      <match value="\377\037" type="string" offset="0"/>
      <match value="0145405" type="host16" offset="0"/>
    </magic>
    <glob pattern="*.bin"/>
    <glob pattern="*.dms"/>