syntax.vim: filetypedetect BufRead

The syntax highlight in vim 7.3 doesn't work. I get the following error. How can I fix that?

Error detected while processing /usr/share/vim/vim73/syntax/syntax.vim:
line 42:
E216: No such group or event: filetypedetect BufRead

I'm using Debian 7.0.

Thanks,

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