(("!start" ("!psh" ("!myFoo")) "!stop" NIL "lib.css") "app/" "myDir/")

: (idx *Allow)  # items
-> ("!myFoo" "!psh" "!start" "!stop" "lib.css")
: (cdr *Allow)  # prefixes
-> ("app/" "myDir/")
</pre></dd>

<dt><a id="+Alt"><code>+Alt</code></a></dt>
<dd>Prefix class specifying an alternative class for a <code><a
href="refR.html#+relation">+relation</a></code>. This allows indexes or other
side effects to be maintained in a class different from the current one. See
also <a href="ref.html#dbase">Database</a>.
