TCL 0 not equal to FALSE
<p>I tried</p>

<pre><code>expr 0==false
</code></pre>

<p>but it returns 0 instead of 1.</p>

<p>According to <a href="http://wiki.tcl.tk/16295" rel="nofollow noreferrer">http://wiki.tcl.tk/16295</a>, False values are the case-insensitive words no, off, false, their unique abbrevations, and 0.</p>

<p>It is weird, or my understanding are wrong?</p>