ignators:

     <dl>

     <br><dt><code>0 (zero)</code>
     <dd>The <code>0</code>th word.  For many applications, this is the command word.

     <br><dt><code></code><var>n</var><code></code>
     <dd>The <var>n</var>th word.

     <br><dt><code>^</code>
     <dd>The first argument; that is, word 1.

     <br><dt><code>$</code>
     <dd>The last argument.

     <br><dt><code>%</code>
     <dd>The word matched by the most recent <code>?</code><var>string</var><code>?</code> search.

     <br><dt><code></