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58 lines
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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 2.4</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_cf.htm"><IMG WIDTH=40 HEIGHT=40 ALT="[Previous]" SRC="../Graphics/Prev.gif" ALIGN=Bottom></A><A REL=UP HREF="02_.htm"><IMG WIDTH=40 HEIGHT=40 ALT="[Up]" SRC="../Graphics/Up.gif" ALIGN=Bottom></A><A REL=NEXT HREF="02_da.htm"><IMG WIDTH=40 HEIGHT=40 ALT="[Next]" SRC="../Graphics/Next.gif" ALIGN=Bottom></A></H1>
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<HR>
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<H2>
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2.4 Standard Macro Characters</H2> <P>
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If the reader encounters a <A REL=DEFINITION HREF="26_glo_m.htm#macro_character"><I>macro character</I></A>, then its associated <A REL=DEFINITION HREF="26_glo_r.htm#reader_macro_function"><I>reader macro function</I></A> is invoked and may produce an <A REL=DEFINITION HREF="26_glo_o.htm#object"><I>object</I></A> to be returned. This <A REL=DEFINITION HREF="26_glo_f.htm#function"><I>function</I></A> may read the <A REL=DEFINITION HREF="26_glo_c.htm#character"><I>characters</I></A> following the <A REL=DEFINITION HREF="26_glo_m.htm#macro_character"><I>macro character</I></A> in the <A REL=DEFINITION HREF="26_glo_s.htm#stream"><I>stream</I></A> in any syntax and return the <A REL=DEFINITION HREF="26_glo_o.htm#object"><I>object</I></A> represented by that syntax. <P>
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Any <A REL=DEFINITION HREF="26_glo_c.htm#character"><I>character</I></A> can be made to be a <A REL=DEFINITION HREF="26_glo_m.htm#macro_character"><I>macro character</I></A>. The <A REL=DEFINITION HREF="26_glo_m.htm#macro_character"><I>macro characters</I></A> defined initially in a <A REL=DEFINITION HREF="26_glo_c.htm#conforming_implementation"><I>conforming implementation</I></A> include the following: <P>
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<A REL=CHILD HREF="02_da.htm"><H2>
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2.4.1 Left-Parenthesis</H2></A><P>
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<A REL=CHILD HREF="02_db.htm"><H2>
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2.4.2 Right-Parenthesis</H2></A><P>
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<A REL=CHILD HREF="02_dc.htm"><H2>
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2.4.3 Single-Quote</H2></A><P>
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<A REL=CHILD HREF="02_dd.htm"><H2>
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2.4.4 Semicolon</H2></A><P>
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<A REL=CHILD HREF="02_de.htm"><H2>
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2.4.5 Double-Quote</H2></A><P>
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<A REL=CHILD HREF="02_df.htm"><H2>
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2.4.6 Backquote</H2></A><P>
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<A REL=CHILD HREF="02_dg.htm"><H2>
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2.4.7 Comma</H2></A><P>
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<A REL=CHILD HREF="02_dh.htm"><H2>
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2.4.8 Sharpsign</H2></A><P>
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<A REL=CHILD HREF="02_di.htm"><H2>
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2.4.9 Re-Reading Abbreviated Expressions</H2></A><P><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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