It should indicate when segments are present and null. We need to be very explicit about what is in each CSI, including the required delimiters. Each section will begin with a definition of the segment, a definition of the elements within each segment, a reiteration of why it exists and what's included in it, any other information, a summary, and a list of the required elements. Segment constraints should be identified and rules inside each segment identified. Delimiters are part of the structure and begin each segment.
Additional examples are still welcome.
In particular, the draft needs more examples of other calendar schemes, especially non- Gregorian and Arabic, and electronic items and contributions. The location is all upper case, can contain alphanumeric and special characters, except for colons and angle brackets since they are used as delimiters. Some examples are needed to assist the reader. The committee discussed and agreed that locally defined numbers are permitted only in CSI 3. Some committee members volunteered to create usage scenarios that will be included in the appendix to the standard.