[Sephr]

I was confused for a moment and thought that this was about the DejaVu fonts project discontinuing development. The DejaVu fonts are very complete and cover much of the characters Unicode standard.

[blasdel]

and I thought it was referring to the odd image format: http://djvu.org/

[mahmud]

You must not read enough math ebooks. It's all djvu from here to Königsberg.