Please, please, make your webapp/website user’s life easier, with my lifedraft_doubleChar jQuery Plugin you could type without have to memorize where your double quoute, round brackets or square brackets start or end. You could also say: Intelligent autocomplete!
Download the Plugin and jQuery, embed both in your page, create your textarea or input[type=text] element and complete it with the following:
jQuery("textarea").lifedraft_doubleChar();
Your users will say “Thank you” to you!