( character error

[blackjid]

When the string to filter from has a '(' character, it throughs a

Uncaught Syntax error, unrecognized expression: )
Sizzle.error jquery-1.5.2.js:3642
Sizzle.filter jquery-1.5.2.js:3628
Sizzle jquery-1.5.2.js:3418
Sizzle jquery-1.5.2.js:4507
Sizzle.matches jquery-1.5.2.js:3507
jQuery.extend.filter jquery-1.5.2.js:4961
winnow jquery-1.5.2.js:5022
jQuery.fn.extend.filter jquery-1.5.2.js:4781
$.fn.livefilter.onKey.rv raw.github.com/straps/jquery-livefilter/master/jquery.livefilter.js:31
delayed

[straps]

I've tried quoting :contains parameter, but with same result...don't have time now to go in deep, let me know if you find a solution please, thanks.