47 lines
4.1 KiB
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47 lines
4.1 KiB
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<TITLE>CLHS: Section 2.1.1</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="02_a.htm"><IMG WIDTH=40 HEIGHT=40 ALT="[Previous]" SRC="../Graphics/Prev.gif" ALIGN=Bottom></A><A REL=UP HREF="02_a.htm"><IMG WIDTH=40 HEIGHT=40 ALT="[Up]" SRC="../Graphics/Up.gif" ALIGN=Bottom></A><A REL=NEXT HREF="02_aaa.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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2.1.1 Readtables</H2> <P>
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Syntax information for use by the <A REL=DEFINITION HREF="26_glo_l.htm#lisp_reader"><I>Lisp reader</I></A> is embodied in an <A REL=DEFINITION HREF="26_glo_o.htm#object"><I>object</I></A> called a <A REL=DEFINITION HREF="26_glo_r.htm#readtable"><I>readtable</I></A>. Among other things, the <A REL=DEFINITION HREF="26_glo_r.htm#readtable"><I>readtable</I></A> contains the association between <A REL=DEFINITION HREF="26_glo_c.htm#character"><I>characters</I></A> and <A REL=DEFINITION HREF="26_glo_s.htm#syntax_type"><I>syntax types</I></A>. <P>
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The next figure lists some <A REL=DEFINITION HREF="26_glo_d.htm#defined_name"><I>defined names</I></A> that are applicable to <A REL=DEFINITION HREF="26_glo_r.htm#readtable"><I>readtables</I></A>. <P>
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<PRE>
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<A REL=DEFINITION HREF="v_rdtabl.htm#STreadtableST">*readtable*</A> <A REL=DEFINITION HREF="f_rdtabl.htm#readtable-case">readtable-case</A>
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<A REL=DEFINITION HREF="f_cp_rdt.htm#copy-readtable">copy-readtable</A> <A REL=DEFINITION HREF="f_rdta_1.htm#readtablep">readtablep</A>
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<A REL=DEFINITION HREF="f_set__1.htm#get-dispatch-macro-character">get-dispatch-macro-character</A> <A REL=DEFINITION HREF="f_set__1.htm#set-dispatch-macro-character">set-dispatch-macro-character</A>
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<A REL=DEFINITION HREF="f_set_ma.htm#get-macro-character">get-macro-character</A> <A REL=DEFINITION HREF="f_set_ma.htm#set-macro-character">set-macro-character</A>
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<A REL=DEFINITION HREF="f_mk_dis.htm#make-dispatch-macro-character">make-dispatch-macro-character</A> <A REL=DEFINITION HREF="f_set_sy.htm#set-syntax-from-char">set-syntax-from-char</A>
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</PRE>
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<P><B>Figure 2-1. Readtable defined names</B> <P>
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<A REL=CHILD HREF="02_aaa.htm"><H2>
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2.1.1.1 The Current Readtable</H2></A><P>
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<A REL=CHILD HREF="02_aab.htm"><H2>
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2.1.1.2 The Standard Readtable</H2></A><P>
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<A REL=CHILD HREF="02_aac.htm"><H2>
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2.1.1.3 The Initial Readtable</H2></A><P><HR>
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