335 lines
6.5 KiB
HTML
335 lines
6.5 KiB
HTML
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<!DOCTYPE HTML>
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<HTML LANG="en-us"
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><HEAD
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><TITLE
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>unexport | Common Lisp Nova Spec</TITLE
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><META CHARSET="US-ASCII"
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><LINK REL="canonical" HREF="f_unexport.html"
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><LINK REL="next" HREF="f_unintern.html" TYPE="text/html" TITLE="unintern"
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><LINK REL="prev" HREF="f_with-package-iterator.html" TYPE="text/html" TITLE="with-package-iterator"
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><LINK REL="up" HREF="11_2_Packages_Dictionary.html" TYPE="text/html" TITLE="11.2 Packages Dictionary"
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><LINK REL="start" HREF="index.html" TYPE="text/html" TITLE="Common Lisp Nova Spec"
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><META NAME="VIEWPORT" CONTENT="width=device-width, initial-scale=1.0"
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><LINK REL="STYLESHEET" HREF="dpans.css%3F3909942064.css"
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><SCRIPT SRC="dpans.js%3F3909942064"
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><SCRIPT SRC="apropos.js%3F3909942064"
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></HEAD
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><BODY
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><DIV
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><DIV CLASS="topnav"
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><DIV CLASS="breadcrumb"
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><SPAN CLASS="breadcrumb-item"
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><A HREF="index.html"
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>Common Lisp Nova Spec</A
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></SPAN
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> <SPAN CLASS="breadcrumb-item"
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>→ <A HREF="11_Packages.html"
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>11. Packages</A
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></SPAN
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> <SPAN CLASS="breadcrumb-item"
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>→ <A HREF="11_2_Packages_Dictionary.html"
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>11.2 Packages Dictionary</A
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></SPAN
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> <SPAN CLASS="breadcrumb-item"
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>→ <A HREF="f_unexport.html"
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>unexport</A
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></SPAN
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></DIV
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><DIV CLASS="apropos"
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><DIV CLASS="apropos-io"
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><A HREF="f_with-package-iterator.html" CLASS="prev"
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>←</A
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><SPAN ID="apropos-label"
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>Apropos </SPAN
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><INPUT ID="apropos" AUTOFOCUS="AUTOFOCUS" PLACEHOLDER="Type here to search" ONINPUT="aproposInput(this);" ONKEYUP="aproposKeyup(event);" ONCHANGE="aproposChange(this);" ONFOCUS="aproposFocus(this);" ONFOCUSOUT="aproposFocusout(this);"
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><A HREF="f_unintern.html" CLASS="next"
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>→</A
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></DIV
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><DIV ID="apropos-res"
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></DIV
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></DIV
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></DIV
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><DIV CLASS="matter"
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><DIV CLASS="com"
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><DIV CLASS="begincom"
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><HR
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><TABLE WIDTH="100%" CELLSPACING="0" CELLPADDING="0"
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><TR
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><TD ALIGN="LEFT" VALIGN="BASELINE" WIDTH="100%" CLASS="name"
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><SPAN CLASS="idx" DATA-KIND="idxref" DATA-TERM="unexport"
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></SPAN
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><B
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>unexport</B
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></TD
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><TD ALIGN="RIGHT" VALIGN="BASELINE" WIDTH="0" NOWRAP="NOWRAP" CLASS="ftype"
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><I
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>Function</I
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></TD
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></TR
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></TABLE
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><HR
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></DIV
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><UL CLASS="subtoc"
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></UL
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><DL
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><DT
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><B
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>Syntax</B
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></DT
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><DD
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><P CLASS="j"
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><B
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>unexport</B
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> <SPAN CLASS="cmssi"
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>symbols</SPAN
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> <SPAN CLASS="cmtt"
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>&optional</SPAN
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> <SPAN CLASS="cmssi"
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>package</SPAN
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> <SPAN CLASS="arrow"
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>→</SPAN
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> <SPAN CLASS="misc"
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><B
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>t</B
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></SPAN
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></P
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></DD
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><DT
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><B
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>Arguments and Values</B
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></DT
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><DD
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><P CLASS="j"
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><VAR CLASS="param"
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>symbols</VAR
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> — a <A HREF="26_1_Glossary.html#designator"
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><EM CLASS="term"
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>designator</EM
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></A
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> for a <A HREF="26_1_Glossary.html#list"
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><EM CLASS="term"
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>list</EM
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></A
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> of <A HREF="26_1_Glossary.html#symbol"
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><EM CLASS="term"
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>symbols</EM
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></A
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>. </P
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><P CLASS="j"
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><VAR CLASS="param"
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>package</VAR
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> — a <A HREF="26_1_Glossary.html#package_designator"
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><EM CLASS="term"
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>package designator</EM
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></A
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>. The default is the <A HREF="26_1_Glossary.html#current_package"
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><EM CLASS="term"
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>current package</EM
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></A
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>.</P
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></DD
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><DT
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><B
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>Description</B
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></DT
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><DD
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><P CLASS="j"
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><A HREF="f_unexport.html" CLASS="funref"
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><B
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>unexport</B
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></A
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> reverts external <VAR CLASS="param"
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>symbols</VAR
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> in <VAR CLASS="param"
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>package</VAR
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> to internal status; it undoes the effect of <A HREF="f_export.html" CLASS="funref"
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><B
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>export</B
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></A
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>. </P
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><P CLASS="j"
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><A HREF="f_unexport.html" CLASS="funref"
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><B
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>unexport</B
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></A
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> works only on <A HREF="26_1_Glossary.html#symbol"
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><EM CLASS="term"
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>symbols</EM
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></A
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> <A HREF="26_1_Glossary.html#present"
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><EM CLASS="term"
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>present</EM
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></A
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> in <VAR CLASS="param"
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>package</VAR
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>, switching them back to internal status. If <A HREF="f_unexport.html" CLASS="funref"
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><B
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>unexport</B
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></A
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> is given a <A HREF="26_1_Glossary.html#symbol"
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><EM CLASS="term"
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>symbol</EM
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></A
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> that is already <A HREF="26_1_Glossary.html#accessible"
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><EM CLASS="term"
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>accessible</EM
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></A
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> as an <A HREF="26_1_Glossary.html#internal_symbol"
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><EM CLASS="term"
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>internal symbol</EM
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></A
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> in <VAR CLASS="param"
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>package</VAR
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>, it does nothing.</P
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></DD
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><DT
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><B
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>Examples</B
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></DT
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><DD
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><PRE CLASS="screen"
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>(in-package "COMMON-LISP-USER") <SPAN CLASS="cmsy"
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><SPAN CLASS="arrow"
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>→</SPAN
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></SPAN
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> #<PACKAGE "COMMON-LISP-USER">
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(export (intern "CONTRABAND" (make-package 'temp)) 'temp) <SPAN CLASS="cmsy"
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><SPAN CLASS="arrow"
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>→</SPAN
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></SPAN
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> T
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(find-symbol "CONTRABAND") <SPAN CLASS="cmsy"
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><SPAN CLASS="arrow"
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>→</SPAN
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></SPAN
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> NIL, NIL
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(use-package 'temp) <SPAN CLASS="cmsy"
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><SPAN CLASS="arrow"
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>→</SPAN
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></SPAN
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> T
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(find-symbol "CONTRABAND") <SPAN CLASS="cmsy"
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><SPAN CLASS="arrow"
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>→</SPAN
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></SPAN
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> CONTRABAND, :INHERITED
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(unexport 'contraband 'temp) <SPAN CLASS="cmsy"
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><SPAN CLASS="arrow"
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>→</SPAN
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></SPAN
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> T
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(find-symbol "CONTRABAND") <SPAN CLASS="cmsy"
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><SPAN CLASS="arrow"
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>→</SPAN
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></SPAN
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> NIL, NIL</PRE
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></DD
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><DT
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><B
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>Side Effects</B
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></DT
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><DD
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><P CLASS="j"
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>Package system is modified.</P
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></DD
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><DT
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><B
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>Affected By</B
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></DT
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><DD
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><P CLASS="j"
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>Current state of the package system.</P
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></DD
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><DT
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><B
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>Exceptional Situations</B
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></DT
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><DD
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><P CLASS="j"
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>If <A HREF="f_unexport.html" CLASS="funref"
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><B
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>unexport</B
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></A
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> is given a <A HREF="26_1_Glossary.html#symbol"
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><EM CLASS="term"
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>symbol</EM
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></A
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> not <A HREF="26_1_Glossary.html#accessible"
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><EM CLASS="term"
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>accessible</EM
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></A
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> in <VAR CLASS="param"
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>package</VAR
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> at all, an error of <A HREF="26_1_Glossary.html#type"
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><EM CLASS="term"
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>type</EM
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></A
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> <A HREF="t_package-error.html" CLASS="typeref"
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><B
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>package-error</B
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></A
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> is signaled. </P
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><P CLASS="j"
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>The consequences are undefined if <VAR CLASS="param"
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>package</VAR
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> is the <SPAN CLASS="packref"
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><SPAN CLASS="cmtt"
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>KEYWORD</SPAN
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></SPAN
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> <A HREF="26_1_Glossary.html#package"
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><EM CLASS="term"
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>package</EM
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></A
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> or the <SPAN CLASS="packref"
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><SPAN CLASS="cmtt"
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>COMMON-LISP</SPAN
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></SPAN
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> <A HREF="26_1_Glossary.html#package"
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><EM CLASS="term"
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>package</EM
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></A
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>.</P
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></DD
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><DT
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><B
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>See Also</B
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></DT
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><DD
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><P CLASS="j"
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><A HREF="f_export.html" CLASS="funref"
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><B
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>export</B
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></A
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>, <A HREF="11_1_Package_Concepts.html#sec_11_1" CLASS="secref"
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><SPAN CLASS="cmr"
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>Section</SPAN
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> <SPAN CLASS="cmr"
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>11.1</SPAN
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> <SPAN CLASS="cmr"
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>(Package</SPAN
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> <SPAN CLASS="cmr"
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>Concepts)</SPAN
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></A
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></P
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></DD
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></DL
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></DIV
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></DIV
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><DIV CLASS="footer"
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><DIV CLASS="btmnav"
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><A HREF="f_with-package-iterator.html" CLASS="prev"
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>←</A
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><A HREF="f_unintern.html" CLASS="next"
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>→</A
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></DIV
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><DIV CLASS="trail"
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>Conversion to HTML copyright 2023 by Gilbert Baumann</DIV
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></DIV
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></DIV
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><SCRIPT
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>domReady();</SCRIPT
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></BODY
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>
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