Same problem with Inkscape 0.48.5 r under ubuntu 12.04 64 bits (Entering the Unicode with 'Ctrl+U 20b9' fails with the message 'Non-printable character'.)
Same problem with Inkscape 0.48.5 r under ubuntu 12.04 64 bits (Entering the Unicode with 'Ctrl+U 20b9' fails with the message 'Non-printable character'.)