Last modified: 2007-06-04 19:47:41 UTC
It is now 2007/06/04 14:32 UTC Commons serves empty pages for DjVu files. Some examples: http://commons.wikimedia.org/wiki/Image:On_the_expression_of_a_number.djvu http://commons.wikimedia.org/wiki/Image:Drei_Register_Arithmetischer_ahnfeng_zur_Practic.djvu http://commons.wikimedia.org/wiki/Image:Concessions_in_USSR_1928.djvu more generally, all files in http://commons.wikimedia.org/wiki/Category:Djvu_files as it seems.
Fixed in r22704 r22705 r22706.