If the CRI reference contains a discard item of value true, the
path component is prefixed by a slash ("/") character. If it
contains a discard item of value 0 and the path item is present,
the conversion fails. Otherwise, the path component is prefixed
by as many "../" components as the discard value minus one
indicates.
the "Otherwise" introducing the last sentence is slightly ambiguous.
I suggest using the more explicit "If it contains a discard item of positive value, the path component [...]" instead.
In §6.1, path rules, we say:
the "Otherwise" introducing the last sentence is slightly ambiguous.
I suggest using the more explicit "If it contains a discard item of positive value, the path component [...]" instead.