Italic text is denoted by _underscores_.
A superscript is denoted by ^x or ^{xx}, for example M^cLeod
or 71^{ST}.
Footnote anchors are denoted by [number], and the footnotes have
been placed at the end of the book.
The tables in this book are best viewed using a monospace font.
Some minor changes to the text are noted at the end of the book.