36 lines
4.2 KiB
HTML
36 lines
4.2 KiB
HTML
<!-- 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: System Class READTABLE</TITLE>
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<A NAME="readtable"><I>System Class</I> <B>READTABLE</B></A> <P>
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<P><B>Class Precedence List:</B><P>
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<A REL=DEFINITION HREF="#readtable"><B>readtable</B></A>, <A REL=DEFINITION HREF="t_t.htm#t"><B>t</B></A> <P>
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<P><B>Description:</B><P>
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<P>
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A <A REL=DEFINITION HREF="26_glo_r.htm#readtable"><I>readtable</I></A> maps <A REL=DEFINITION HREF="26_glo_c.htm#character"><I>characters</I></A> into <A REL=DEFINITION HREF="26_glo_s.htm#syntax_type"><I>syntax types</I></A> for the <A REL=DEFINITION HREF="26_glo_l.htm#lisp_reader"><I>Lisp reader</I></A>; see <A REL=CHILD HREF="02_.htm">Section 2 (Syntax)</A>. A <A REL=DEFINITION HREF="26_glo_r.htm#readtable"><I>readtable</I></A> also contains associations between <A REL=DEFINITION HREF="26_glo_m.htm#macro_character"><I>macro characters</I></A> and their <A REL=DEFINITION HREF="26_glo_r.htm#reader_macro_function"><I>reader macro functions</I></A>, and records information about the case conversion rules to be used by the <A REL=DEFINITION HREF="26_glo_l.htm#lisp_reader"><I>Lisp reader</I></A> when parsing <A REL=DEFINITION HREF="26_glo_s.htm#symbol"><I>symbols</I></A>. <P>
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Each <A REL=DEFINITION HREF="26_glo_s.htm#simple"><I>simple</I></A> <A REL=DEFINITION HREF="26_glo_c.htm#character"><I>character</I></A> must be representable in the <A REL=DEFINITION HREF="26_glo_r.htm#readtable"><I>readtable</I></A>. It is <A REL=DEFINITION HREF="26_glo_i.htm#implementation-defined"><I>implementation-defined</I></A> whether <A REL=DEFINITION HREF="26_glo_n.htm#non-simple"><I>non-simple</I></A> <A REL=DEFINITION HREF="26_glo_c.htm#character"><I>characters</I></A> can have syntax descriptions in the <A REL=DEFINITION HREF="26_glo_r.htm#readtable"><I>readtable</I></A>. <P>
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<P><B>See Also:</B><P>
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<P>
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<A REL=CHILD HREF="02_aa.htm">Section 2.1.1 (Readtables)</A>, <A REL=CHILD HREF="22_acm.htm">Section 22.1.3.13 (Printing Other Objects)</A> <P>
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<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/iss027.htm">CHARACTER-PROPOSAL:2-1-1</A><P></UL><HR>
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<A REL=NAVIGATOR HREF="../Front/StartPts.htm"><IMG WIDTH=80 HEIGHT=40 ALT="[Starting Points]" SRC="../Graphics/StartPts.gif" ALIGN=Bottom></A><A REL=TOC HREF="../Front/Contents.htm"><IMG WIDTH=80 HEIGHT=40 ALT="[Contents]" SRC="../Graphics/Contents.gif" ALIGN=Bottom></A><A REL=INDEX HREF="../Front/X_Master.htm"><IMG WIDTH=80 HEIGHT=40 ALT="[Index]" SRC="../Graphics/Index.gif" ALIGN=Bottom></A><A REL=INDEX HREF="../Front/X_Symbol.htm"><IMG WIDTH=80 HEIGHT=40 ALT="[Symbols]" SRC="../Graphics/Symbols.gif" ALIGN=Bottom></A><A REL=GLOSSARY HREF="../Body/26_a.htm"><IMG WIDTH=80 HEIGHT=40 ALT="[Glossary]" SRC="../Graphics/Glossary.gif" ALIGN=Bottom></A><A HREF="../Front/X3J13Iss.htm"><IMG WIDTH=80 HEIGHT=40 ALT="[Issues]" SRC="../Graphics/Issues.gif" ALIGN=Bottom></A><BR>
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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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