ollowing constants; all are accessed as normal GNU
Make variables by wrapping them in <span style="font-family: monospace;">$()</span> or <span style="font-family: monospace;">${}</span>.<br>
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<table style="text-align: left;" border="1" cellpadding="2" cellspacing="2">
  <tbody>
    <tr>
      <td><span style="font-style: italic;">Constant</span><br>
      </td>
      <td><span style="font-style: italic;">Value</span><br>
      </td>
      <td><span style="font-style: italic;">Purpose</span><br>
      <