This document is currently undergoing revision. Some changes have been made relative to the last numbered revision (0.2), but further changes will yet occur.
A direct comparison of an aspect of this document with the corresponding ALMA document is indicated as a “Note”, e.g.,
![[Note]](images/note.png) | Note |
|---|---|
this is a note. |
Other comparisons may, of course, be made by the reader.
Comments on the text are indicated slightly differently: this is a comment. Such comments are used to indicate unsettled issues regarding this document, or questions that I have not yet satisfactorily answered; they will be removed from the final version of the document.