typekit/webfontloader — pull request #38 by jeremiele (2011-11-16 23:49:55+00:00)
Title: Remove the 2 different font stacks. This was not fixing the webkit issue...

....

What seems to be happening is that webkit is changing the font to the
default browser font when downloading a font and not respecting the font
stack. The new code requests a bogus font (sans-serif with quotes to avoid
the css generic font name keyword). This has the effect of falling back
to the default font for the default size. The word 'sans-serif' was chosen
because it also seems to match what Chrome linux requests by default (the
underlaying system library like pango, must match on sans-serif, whereas
it doesn't match anythin on something like 'foo' and would fail for most
cases).