Attribute selector equals with escaped value fails in IE8

[dennis@…]

Having:

<input name="foo[bar]" type="text" />

the following:

alert($("[name=foo\\[bar\\]]").length);

alerts 0 in IE8 together with jQuery v1.4.4, while it alerted 1 correctly with v1.4.3.

This causes serious problems when operating on form elements with array-styled names.

[rwaldron]

Escaped or not, attributes MUST be quoted

 http://jsfiddle.net/rwaldron/mrtCs/

[jitter]

 test case

As per discussion with csnover. The escaped but unquoted selector needs to work as it's valid CSS3 selector syntax and also is correctly handled by qSA. There is no good reason for this selector suddenly failing since jQuery 1.4.4,

[jitter]

#7596 is a duplicate of this ticket. <-- wrong

[jitter]

#7691 is a duplicate of this ticket.

[jitter]

#7741 is a duplicate of this ticket.

[jitter]

#7777 is a duplicate of this ticket.

[jitter]

#7813 is a duplicate of this ticket.

[john]

Duplicate of #6093.