ve
      (quote
         @Nr Nr
         @Nm Nm
         @Pr Pr
         (select (@Item)
            ((nr +Item @Nr) (nm +Item @Nm) (pr +Item @Pr))
               (range @Nr @Item nr)
               (part @Nm @Item nm)
               (range @Pr @Item pr) ) )
      @Item ) )
</pre>

<p>This expression will return, with the default database setup of "app/init.l",
a list of exactly one item <code>({B2})</code>, the item with the number 2.

<p>The <code><a href="refL.html#let">let</a></code> statement assigns v