CanonMakernote 0x0001 Unknown tag (CanonMakernote 0x1) <binary-snip>
CanonMakernote 0x0002 Unknown tag (CanonMakernote 0x2) 2 173 211 158
CanonMakernote 0x0003 Unknown tag (CanonMakernote 0x3) 0 10 0 0
CanonMakernote 0x0004 Unknown tag (CanonMakernote 0x4) <binary-snip>
CanonMakernote 0x0000 Unknown tag (CanonMakernote 0x0) 0 0 0 0
CanonMakernote 0x0006 ImageType IMG:DIGITAL IXUS 300 JPEG
CanonMakernote 0x0007 FirmwareVersion Firmware Version 1.0
CanonMakernote 0x0008 ImageNumber 1030383
CanonMakernote 0x0009 OwnerName Matthias Gyra
CanonMakernote 0x0010 Unknown tag (CanonMakernote 0x10) 17039360
CanonMakernote 0x000d MakernoteUnknown1 3 1 1 1

These makernote tags need to have description methods written around them.
The two <binary-snip> values above contain bit-flags for various camera-
specific data.