istorically been a source of vulernabilities.</p>
<dl><dt class="spec">Parameters</dt><dd><dl><dt class="named">content<code>*</code><dd><p>Text to protect.</p>
<dt class="named">opt_contentDir<code>?<a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number">number</a>=</code><dd><p>The content direction; null if
unknown and thus to be estimated when necessary. Default: null.</p>
</dl></dd><dt class="spec">Returns</dt><dd><dl><dt><code><a href="soydata.UnsanitizedText.