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31 lines
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<TITLE>CLHS: Section 11.1.2.1.1</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="11_aba.htm"><IMG WIDTH=40 HEIGHT=40 ALT="[Previous]" SRC="../Graphics/Prev.gif" ALIGN=Bottom></A><A REL=UP HREF="11_aba.htm"><IMG WIDTH=40 HEIGHT=40 ALT="[Up]" SRC="../Graphics/Up.gif" ALIGN=Bottom></A><A REL=NEXT HREF="11_abab.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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11.1.2.1.1 Constraints on the COMMON-LISP Package for Conforming Implementations</H2> <P>
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In a <A REL=DEFINITION HREF="26_glo_c.htm#conforming_implementation"><I>conforming implementation</I></A>, an <I>external</I> <A REL=DEFINITION HREF="26_glo_s.htm#symbol"><I>symbol</I></A> of the <TT>COMMON-LISP</TT> package can have a <A REL=DEFINITION HREF="26_glo_f.htm#function"><I>function</I></A>, <A REL=DEFINITION HREF="26_glo_m.htm#macro"><I>macro</I></A>, or <A REL=DEFINITION HREF="26_glo_s.htm#special_operator"><I>special operator</I></A> definition, a <A REL=DEFINITION HREF="26_glo_g.htm#global_variable"><I>global variable</I></A> definition (or other status as a <A REL=DEFINITION HREF="26_glo_d.htm#dynamic_variable"><I>dynamic variable</I></A> due to a <A REL=DEFINITION HREF="d_specia.htm#special"><B>special</B></A> <A REL=DEFINITION HREF="26_glo_p.htm#proclamation"><I>proclamation</I></A>), or a <A REL=DEFINITION HREF="26_glo_t.htm#type"><I>type</I></A> definition only if explicitly permitted in this standard. For example, <A REL=DEFINITION HREF="f_fbound.htm#fboundp"><B>fboundp</B></A> <A REL=DEFINITION HREF="26_glo_y.htm#yield"><I>yields</I></A> <A REL=DEFINITION HREF="26_glo_f.htm#false"><I>false</I></A> for any <A REL=DEFINITION HREF="26_glo_e.htm#external_symbol"><I>external symbol</I></A> of the <TT>COMMON-LISP</TT> package that is not the <A REL=DEFINITION HREF="26_glo_n.htm#name"><I>name</I></A> of a <A REL=DEFINITION HREF="26_glo_s.htm#standardized"><I>standardized</I></A> <A REL=DEFINITION HREF="26_glo_f.htm#function"><I>function</I></A>, <A REL=DEFINITION HREF="26_glo_m.htm#macro"><I>macro</I></A> or <A REL=DEFINITION HREF="26_glo_s.htm#special_operator"><I>special operator</I></A>, and <A REL=DEFINITION HREF="f_boundp.htm#boundp"><B>boundp</B></A> returns <A REL=DEFINITION HREF="26_glo_f.htm#false"><I>false</I></A> for any <A REL=DEFINITION HREF="26_glo_e.htm#external_symbol"><I>external symbol</I></A> of the <TT>COMMON-LISP</TT> package that is not the <A REL=DEFINITION HREF="26_glo_n.htm#name"><I>name</I></A> of a <A REL=DEFINITION HREF="26_glo_s.htm#standardized"><I>standardized</I></A> <A REL=DEFINITION HREF="26_glo_g.htm#global_variable"><I>global variable</I></A>. It also follows that <A REL=DEFINITION HREF="26_glo_c.htm#conforming_program"><I>conforming programs</I></A> can use <A REL=DEFINITION HREF="26_glo_e.htm#external_symbol"><I>external symbols</I></A> of the <TT>COMMON-LISP</TT> package as the <A REL=DEFINITION HREF="26_glo_n.htm#name"><I>names</I></A> of local <A REL=DEFINITION HREF="26_glo_l.htm#lexical_variable"><I>lexical variables</I></A> with confidence that those <A REL=DEFINITION HREF="26_glo_n.htm#name"><I>names</I></A> have not been <I>proclaimed</I> <A REL=DEFINITION HREF="d_specia.htm#special"><B>special</B></A> by the <A REL=DEFINITION HREF="26_glo_i.htm#implementation"><I>implementation</I></A> unless those <A REL=DEFINITION HREF="26_glo_s.htm#symbol"><I>symbols</I></A> are <A REL=DEFINITION HREF="26_glo_n.htm#name"><I>names</I></A> of <A REL=DEFINITION HREF="26_glo_s.htm#standardized"><I>standardized</I></A> <A REL=DEFINITION HREF="26_glo_g.htm#global_variable"><I>global variables</I></A>. <P>
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A <A REL=DEFINITION HREF="26_glo_c.htm#conforming_implementation"><I>conforming implementation</I></A> must not place any <A REL=DEFINITION HREF="26_glo_p.htm#property"><I>property</I></A> on an <A REL=DEFINITION HREF="26_glo_e.htm#external_symbol"><I>external symbol</I></A> of the <TT>COMMON-LISP</TT> package using a <A REL=DEFINITION HREF="26_glo_p.htm#property_indicator"><I>property indicator</I></A> that is either an <A REL=DEFINITION HREF="26_glo_e.htm#external_symbol"><I>external symbol</I></A> of any <A REL=DEFINITION HREF="26_glo_s.htm#standardized"><I>standardized</I></A> <A REL=DEFINITION HREF="26_glo_p.htm#package"><I>package</I></A> or a <A REL=DEFINITION HREF="26_glo_s.htm#symbol"><I>symbol</I></A> that is otherwise <A REL=DEFINITION HREF="26_glo_a.htm#accessible"><I>accessible</I></A> in the <TT>COMMON-LISP-USER</TT> package. <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/iss252.htm">PACKAGE-CLUTTER:REDUCE</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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