The Block Enclosing Commands
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  Here are commands for quotations and examples:

`@quotation'
     Indicate text that is quoted. The text is filled, indented, and
     printed in a roman font by default.

`@example'
     Illustrate code, commands, and the like. The text is printed in a
     fixed-width font, and indented but not filled.

`@lisp'
     Illustrate Lisp code. The text is printed in a fixed-width font,
     and indented but not filled.

`@smallexample'
     Illustrate code, commands, and the like.  Similar to `@example',
     except that in TeX this command typesets text in a smaller font
     for the smaller `@smallbook' format than for the 8.5 by 11 inch
     format.

`@smalllisp'
     Illustrate Lisp code.  Similar to `@lisp', except that in TeX this
     command typesets text in a smaller font for the smaller
     `@smallbook' format than for the 8.5 by 11 inch format.

`@display'
     Display illustrative text.  The text is indented but not filled,
     and no font is specified (so, by default, the font is roman).

`@format'
     Print illustrative text.  The text is not indented and not filled
     and no font is specified (so, by default, the font is roman).

  The `@exdent' command is used within the above constructs to undo the
indentation of a line.

  The `@flushleft' and `@flushright' commands are used to line up the
left or right margins of unfilled text.

  The `@noindent' command may be used after one of the above constructs
to prevent the following text from being indented as a new paragraph.

  You can use the `@cartouche' command within one of the above
constructs to highlight the example or quotation by drawing a box with
rounded corners around it.  (The `@cartouche' command affects only the
printed manual; it has no effect in the Info file; see *Note Drawing
Cartouches Around Examples: cartouche.)