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#### 22.2.1.2 Format Directive Interface

The primary interface to operations for dynamically determining the arrangement of output is provided through the functions and macros of the pretty printer. Figure 22–3 shows the defined names related to pretty printing.

      *print-lines*            pprint-dispatch                pprint-pop
      *print-miser-width*      pprint-exit-if-list-exhausted  pprint-tab
      *print-pprint-dispatch*  pprint-fill                    pprint-tabular
      *print-right-margin*     pprint-indent                  set-pprint-dispatch
      copy-pprint-dispatch     pprint-linear                  write
      format                   pprint-logical-block
      formatter                pprint-newline

                 Figure 22–3: Defined names related to pretty printing.

Figure 22–4 identifies a set of format directives which serve as an alternate interface to the same pretty printing operations in a more textually compact form.

      ~I   ~W      ~<...~:>
      ~:T  ~/.../  ~_

      Figure 22–4: Format directives related to Pretty Printing