Custom fonts problem in IE8

[entozoon]

Using proper IE8 on Windows XP, I've found an.. interesting.. issue.
For password inputs, when the user starts typing and text is replaced by asterisks, they appear invisible if using the google font 'Raleway', and likely other custom fonts.

The font does indeed have the asterisk character so I've no idea what's causing it, and after a good few hours I came up with this very simple proposed solution:
jquery.placeholder-enhanced.js - after line 297, I added:

$el.addClass('forceStandardFont');

Then the corresponding CSS:

.forceStandardFont { font-family: sans-serif; }

(Class won't need to be removed as it's only on the temporary input element).