http://simonwillison.net/2009-03-15T04:37:27+00:00Simon Willison2009-03-15T04:37:27+00:002009-03-15T04:37:27+00:00https://simonwillison.net/2009/Mar/15/bidi/#atom-tag

<p><strong><a href="http://www.iamcal.com/understanding-bidirectional-text/">Understanding Bidirectional (BIDI) Text in Unicode</a></strong></p> It turns out you need to sanitise user input to ensure there are no unicode characters that switch your site’s regular text to RTL. <p>Tags: <a href="https://simonwillison.net/tags/bidi">bidi</a>, <a href="https://simonwillison.net/tags/cal-henderson">cal-henderson</a>, <a href="https://simonwillison.net/tags/filtering">filtering</a>, <a href="https://simonwillison.net/tags/security">security</a>, <a href="https://simonwillison.net/tags/unicode">unicode</a>, <a href="https://simonwillison.net/tags/userinput">userinput</a></p>