[XeTeX] Weird character swap when using xelatex+fontspec+listings

[Philipp Stephani]

Am 30.05.2010 um 19:44 schrieb Eelis van der Weegen:

> When I compile the attached t.tex with xelatex I get the attached t.pdf,
> in which the big pi has somehow switched positions with 'a'. What's
> going on here? :)

The listings package hasn't been updated for a long time and is completely Unicode-unaware. If possible, switch to a modern alternative like minted, or use simpler constructs like \verb.