Italic text is denoted by _underscores_.
Bold text is denoted by =equal signs=.
Obvious typographical errors and punctuation errors have been
corrected after careful comparison with other occurrences within
the text and consultation of external sources.
Footnotes have been moved to the end of the book text, and before
the publisher's Book Catalog. Some Footnotes are very long.
The 3-star asterism symbol in the Catalog is denoted by ***.
More detail can be found at the end of the book.