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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 22.1.3.13</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_acl.htm"><IMG WIDTH=40 HEIGHT=40 ALT="[Previous]" SRC="../Graphics/Prev.gif" ALIGN=Bottom></A><A REL=UP HREF="22_ac.htm"><IMG WIDTH=40 HEIGHT=40 ALT="[Up]" SRC="../Graphics/Up.gif" ALIGN=Bottom></A><A REL=NEXT HREF="22_ad.htm"><IMG WIDTH=40 HEIGHT=40 ALT="[Next]" SRC="../Graphics/Next.gif" ALIGN=Bottom></A></H1>
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<H2>
22.1.3.13 Printing Other Objects</H2> <P>
Other <A REL=DEFINITION HREF="26_glo_o.htm#object"><I>objects</I></A> are printed in an <A REL=DEFINITION HREF="26_glo_i.htm#implementation-dependent"><I>implementation-dependent</I></A> manner. It is not required that an <A REL=DEFINITION HREF="26_glo_i.htm#implementation"><I>implementation</I></A> print those <A REL=DEFINITION HREF="26_glo_o.htm#object"><I>objects</I></A> <A REL=DEFINITION HREF="26_glo_r.htm#readably"><I>readably</I></A>. <P>
For example, <A REL=DEFINITION HREF="26_glo_h.htm#hash_table"><I>hash tables</I></A>, <A REL=DEFINITION HREF="26_glo_r.htm#readtable"><I>readtables</I></A>, <A REL=DEFINITION HREF="26_glo_p.htm#package"><I>packages</I></A>, <A REL=DEFINITION HREF="26_glo_s.htm#stream"><I>streams</I></A>, and <A REL=DEFINITION HREF="26_glo_f.htm#function"><I>functions</I></A> might not print <A REL=DEFINITION HREF="26_glo_r.htm#readably"><I>readably</I></A>. <P>
A common notation to use in this circumstance is <TT>#&lt;...&gt;</TT>. Since <TT>#&lt;</TT> is not readable by the <A REL=DEFINITION HREF="26_glo_l.htm#lisp_reader"><I>Lisp reader</I></A>, the precise format of the text which follows is not important, but a common format to use is that provided by the <A REL=DEFINITION HREF="m_pr_unr.htm#print-unreadable-object"><B>print-unreadable-object</B></A> <A REL=DEFINITION HREF="26_glo_m.htm#macro"><I>macro</I></A>. <P>
For information on how the <A REL=DEFINITION HREF="26_glo_l.htm#lisp_reader"><I>Lisp reader</I></A> treats this notation, see <A REL=CHILD HREF="02_dht.htm">Section 2.4.8.20 (Sharpsign Less-Than-Sign)</A>. For information on how to notate <A REL=DEFINITION HREF="26_glo_o.htm#object"><I>objects</I></A> that cannot be printed <A REL=DEFINITION HREF="26_glo_r.htm#readably"><I>readably</I></A>, see <A REL=CHILD HREF="02_dhf.htm">Section 2.4.8.6 (Sharpsign Dot)</A>. <P>
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