The @stage-code attribute on <release-version> identifies the development stage of the project that is developing the standard, as the standard passes through the various lifecycle stages to publication.
| Value | Meaning |
|---|---|
| 4 decimal digits (two digits, the decimal, and two digits): '90.60' | The first two digits(before the decimal) name the main stage and the second two digits (following the decimal) contain the substage code for an appropriate lower-stage division of the main stage. |