ANSI Common Lisp   22 Printer   22.3 Formatted Output

22.3.5 FORMAT Pretty Printer Operations

The following constructs provide access to the pretty printer:

22.3.5.1  Tilde Underscore: Conditional Newline
22.3.5.2  Tilde Less-Than-Sign: Logical Block
22.3.5.3  Tilde I: Indent
22.3.5.4  Tilde Slash: Call Function