.It Sy allow-deep-trees
Allow the directory structure to exceed the maximum specified in
the spec.
-.\" .It Sy allow-illegal-chars
-.\" Unknown
-.\" .It Sy allow-lowercase
-.\" Unknown
+.It Sy allow-illegal-chars
+Allow illegal characters in filenames. This option is not implemented.
+.It Sy allow-lowercase
+Allow lowercase characters in filenames. This option is not implemented.
.It Sy allow-max-name
Allow 37 instead of 33 characters for filenames by omitting the
version id.
extension to encode
.Tn RISC OS
metadata.
+.It Sy bootimagedir
+Boot image directory. This option is not implemented.
.It Sy chrp-boot
Write an MBR partition table to the image to allow older CHRP hardware to
boot.
Load a generic boot image into the first 32K of the cd9660 image.
.It Sy hard-disk-boot
Boot image is a hard disk image.
+.It Sy isoLevel
+An integer representing the ISO 9660 interchange level where
+.Dq level
+is either
+.Ql 1
+or
+.Ql 2 .
+.Dq level
+.Ql 3
+is not implemented.
.It Sy keep-bad-images
Don't throw away images whose write was aborted due to an error.
For debugging purposes.
ElTorito image.
.It Sy no-trailing-padding
Do not pad the image (apparently Linux needs the padding).
-.\" .It Sy omit-trailing-period
-.\" Unknown
+.It Sy omit-trailing-period
+Omit trailing periods in filenames.
.It Sy preparer
Preparer ID of the image.
.It Sy publisher
Publisher ID of the image.
.It Sy rockridge
Use RockRidge extensions (for longer filenames, etc.).
+.It Sy verbose
+Turns on verbose output.
.It Sy volumeid
Volume set identifier of the image.
.El