## Syntax: A single line

      A verbatim line.

## Syntax: A single line with leading spaces

        Another verbatim line, with leading spaces.

## Syntax: Area (block)

      A verbatim area delimited
             by lines with marks.

## Syntax: Area (block) with trailing spaces

      Trailing spaces and TABs after the area marks
      are allowed, but not encouraged nor documented.

## Invalid: No space between mark and contents

```Not a verbatim line, need one space after mark.

## Invalid: Leading spaces on block marks

``` Not a verbatim area. The marks must be at the line beginning, no leading spaces. ```

## Closing: EOF closes the open block

      The end of the file (EOF) closes
      the currently open verbatim area.