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<!-- Common Lisp HyperSpec (TM), version 7.0 generated by Kent M. Pitman on Mon, 11-Apr-2005 2:31am EDT -->
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<TITLE>CLHS: Section 22.1.2</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_aaaa.htm"><IMG WIDTH=40 HEIGHT=40 ALT="[Previous]" SRC="../Graphics/Prev.gif" ALIGN=Bottom></A><A REL=UP HREF="22_a.htm"><IMG WIDTH=40 HEIGHT=40 ALT="[Up]" SRC="../Graphics/Up.gif" ALIGN=Bottom></A><A REL=NEXT HREF="22_ac.htm"><IMG WIDTH=40 HEIGHT=40 ALT="[Next]" SRC="../Graphics/Next.gif" ALIGN=Bottom></A></H1>
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<H2>
22.1.2 Printer Dispatching</H2> <P>
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The <A REL=DEFINITION HREF="26_glo_l.htm#lisp_printer"><I>Lisp printer</I></A> makes its determination of how to print an <A REL=DEFINITION HREF="26_glo_o.htm#object"><I>object</I></A> as follows: <P>
If the <A REL=DEFINITION HREF="26_glo_v.htm#value"><I>value</I></A> of <A REL=DEFINITION HREF="v_pr_pre.htm#STprint-prettyST"><B>*print-pretty*</B></A> is <A REL=DEFINITION HREF="26_glo_t.htm#true"><I>true</I></A>, printing is controlled by the <A REL=DEFINITION HREF="26_glo_c.htm#current_pprint_dispatch_table"><I>current pprint dispatch table</I></A>; see <A REL=CHILD HREF="22_bad.htm">Section 22.2.1.4 (Pretty Print Dispatch Tables)</A>. <P>
Otherwise (if the <A REL=DEFINITION HREF="26_glo_v.htm#value"><I>value</I></A> of <A REL=DEFINITION HREF="v_pr_pre.htm#STprint-prettyST"><B>*print-pretty*</B></A> is <A REL=DEFINITION HREF="26_glo_f.htm#false"><I>false</I></A>), the object's <A REL=DEFINITION HREF="f_pr_obj.htm#print-object"><B>print-object</B></A> method is used; see <A REL=CHILD HREF="22_ac.htm">Section 22.1.3 (Default Print-Object Methods)</A>. <P>
<P><HR>The following <A REL=META HREF="../Front/X3J13Iss.htm">X3J13 cleanup issue</A>, <I>not part of the specification</I>, applies to this section:<P><UL><LI> <A REL=CHILD HREF="../Issues/iss116.htm">DEFSTRUCT-PRINT-FUNCTION-AGAIN:X3J13-MAR-93</A><P></UL><HR>
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