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46 lines
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<TITLE>CLHS: Section 22.2.1.2</TITLE>
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<H1><A REV=MADE HREF="http://www.lispworks.com/"><IMG WIDTH=80 HEIGHT=65 ALT="[LISPWORKS]" SRC="../Graphics/LWSmall.gif" ALIGN=Bottom></A><A REL=TOP HREF="../Front/index.htm"><IMG WIDTH=237 HEIGHT=65 ALT="[Common Lisp HyperSpec (TM)]" SRC="../Graphics/CLHS_Sm.gif" ALIGN=Bottom></A> <A REL=PREV HREF="22_baa.htm"><IMG WIDTH=40 HEIGHT=40 ALT="[Previous]" SRC="../Graphics/Prev.gif" ALIGN=Bottom></A><A REL=UP HREF="22_ba.htm"><IMG WIDTH=40 HEIGHT=40 ALT="[Up]" SRC="../Graphics/Up.gif" ALIGN=Bottom></A><A REL=NEXT HREF="22_bac.htm"><IMG WIDTH=40 HEIGHT=40 ALT="[Next]" SRC="../Graphics/Next.gif" ALIGN=Bottom></A></H1>
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<H2>
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22.2.1.2 Format Directive Interface</H2> <P>
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The primary interface to operations for dynamically determining the arrangement of output is provided through the functions and macros of the pretty printer. The next figure shows the defined names related to <I>pretty printing</I>. <P>
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<PRE>
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<A REL=DEFINITION HREF="v_pr_lin.htm#STprint-linesST">*print-lines*</A> <A REL=DEFINITION HREF="f_ppr_di.htm#pprint-dispatch">pprint-dispatch</A> <A REL=DEFINITION HREF="m_ppr_po.htm#pprint-pop">pprint-pop</A>
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<A REL=DEFINITION HREF="v_pr_mis.htm#STprint-miser-widthST">*print-miser-width*</A> <A REL=DEFINITION HREF="m_ppr_ex.htm#pprint-exit-if-list-exhausted">pprint-exit-if-list-exhausted</A> <A REL=DEFINITION HREF="f_ppr_ta.htm#pprint-tab">pprint-tab</A>
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<A REL=DEFINITION HREF="v_pr_ppr.htm#STprint-pprint-dispatchST">*print-pprint-dispatch*</A> <A REL=DEFINITION HREF="f_ppr_fi.htm#pprint-fill">pprint-fill</A> <A REL=DEFINITION HREF="f_ppr_fi.htm#pprint-tabular">pprint-tabular</A>
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<A REL=DEFINITION HREF="v_pr_rig.htm#STprint-right-marginST">*print-right-margin*</A> <A REL=DEFINITION HREF="f_ppr_in.htm#pprint-indent">pprint-indent</A> <A REL=DEFINITION HREF="f_set_pp.htm#set-pprint-dispatch">set-pprint-dispatch</A>
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<A REL=DEFINITION HREF="f_cp_ppr.htm#copy-pprint-dispatch">copy-pprint-dispatch</A> <A REL=DEFINITION HREF="f_ppr_fi.htm#pprint-linear">pprint-linear</A> <A REL=DEFINITION HREF="f_wr_pr.htm#write">write</A>
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<A REL=DEFINITION HREF="f_format.htm#format">format</A> <A REL=DEFINITION HREF="m_ppr_lo.htm#pprint-logical-block">pprint-logical-block</A>
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<A REL=DEFINITION HREF="m_format.htm#formatter">formatter</A> <A REL=DEFINITION HREF="f_ppr_nl.htm#pprint-newline">pprint-newline</A>
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</PRE>
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<P><B>Figure 22-4. Defined names related to pretty printing.</B> <P>
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The next figure identifies a set of <A REL=DEFINITION HREF="26_glo_f.htm#format_directive"><I>format directives</I></A> which serve as an alternate interface to the same pretty printing operations in a more textually compact form. <P>
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<PRE>
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~I ~W ~<...~:>
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~:T ~/.../ ~_
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</PRE>
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<P><B>Figure 22-5. Format directives related to Pretty Printing</B> <P>
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<A REL=COPYRIGHT HREF="../Front/Help.htm#Legal"><I>Copyright 1996-2005, LispWorks Ltd. All rights reserved.</I></A><P>
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