6 .. Comments begin with two dots and a space. Anything may
7 follow, except for the syntax of footnotes, hyperlink
8 targets, directives, or substitution definitions.
10 Double-dashes -- "--" -- must be escaped somehow in HTML output.
12 (View the HTML source to see the comment.)
17 Any errors caught during processing will generate system messages.
19 There should be five messages in the following, auto-generated
20 section, "Docutils System Messages":