WebKit CSS content Unicode bug?

Question

On one page, I\'m using a custom web font (using @font-face) for icons. Each character in the set has an appropriate Unicode value.

In WebKit-based browsers (Chrome

Answer 1

This is a bug in WebKit that only got fixed recently (in April 2012).

To paraphrase my write-up on escape sequences for CSS identifiers:

In theory (as per the spec), any character can be escaped based on its Unicode code point (e.g. for