88 lines
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88 lines
5.1 KiB
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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 22.1.3.3.2.1</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="22_accb.htm"><IMG WIDTH=40 HEIGHT=40 ALT="[Previous]" SRC="../Graphics/Prev.gif" ALIGN=Bottom></A><A REL=UP HREF="22_accb.htm"><IMG WIDTH=40 HEIGHT=40 ALT="[Up]" SRC="../Graphics/Up.gif" ALIGN=Bottom></A><A REL=NEXT HREF="22_acd.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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22.1.3.3.2.1 Examples of Effect of Readtable Case on the Lisp Printer</H2> <P>
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<PRE>
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(defun test-readtable-case-printing ()
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(let ((*readtable* (copy-readtable nil))
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(*print-case* *print-case*))
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(format t "READTABLE-CASE *PRINT-CASE* Symbol-name Output~
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~%--------------------------------------------------~
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~%")
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(dolist (readtable-case '(:upcase :downcase :preserve :invert))
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(setf (readtable-case *readtable*) readtable-case)
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(dolist (print-case '(:upcase :downcase :capitalize))
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(dolist (symbol '(|ZEBRA| |Zebra| |zebra|))
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(setq *print-case* print-case)
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(format t "~&:~A~15T:~A~29T~A~42T~A"
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(string-upcase readtable-case)
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(string-upcase print-case)
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(symbol-name symbol)
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(prin1-to-string symbol)))))))
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</PRE>
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</TT> The output from <TT>(test-readtable-case-printing)</TT> should be as follows: <P>
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<PRE>
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READTABLE-CASE *PRINT-CASE* Symbol-name Output
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--------------------------------------------------
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:UPCASE :UPCASE ZEBRA ZEBRA
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:UPCASE :UPCASE Zebra |Zebra|
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:UPCASE :UPCASE zebra |zebra|
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:UPCASE :DOWNCASE ZEBRA zebra
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:UPCASE :DOWNCASE Zebra |Zebra|
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:UPCASE :DOWNCASE zebra |zebra|
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:UPCASE :CAPITALIZE ZEBRA Zebra
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:UPCASE :CAPITALIZE Zebra |Zebra|
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:UPCASE :CAPITALIZE zebra |zebra|
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:DOWNCASE :UPCASE ZEBRA |ZEBRA|
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:DOWNCASE :UPCASE Zebra |Zebra|
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:DOWNCASE :UPCASE zebra ZEBRA
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:DOWNCASE :DOWNCASE ZEBRA |ZEBRA|
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:DOWNCASE :DOWNCASE Zebra |Zebra|
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:DOWNCASE :DOWNCASE zebra zebra
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:DOWNCASE :CAPITALIZE ZEBRA |ZEBRA|
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:DOWNCASE :CAPITALIZE Zebra |Zebra|
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:DOWNCASE :CAPITALIZE zebra Zebra
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:PRESERVE :UPCASE ZEBRA ZEBRA
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:PRESERVE :UPCASE Zebra Zebra
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:PRESERVE :UPCASE zebra zebra
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:PRESERVE :DOWNCASE ZEBRA ZEBRA
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:PRESERVE :DOWNCASE Zebra Zebra
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:PRESERVE :DOWNCASE zebra zebra
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:PRESERVE :CAPITALIZE ZEBRA ZEBRA
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:PRESERVE :CAPITALIZE Zebra Zebra
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:PRESERVE :CAPITALIZE zebra zebra
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:INVERT :UPCASE ZEBRA zebra
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:INVERT :UPCASE Zebra Zebra
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:INVERT :UPCASE zebra ZEBRA
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:INVERT :DOWNCASE ZEBRA zebra
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:INVERT :DOWNCASE Zebra Zebra
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:INVERT :DOWNCASE zebra ZEBRA
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:INVERT :CAPITALIZE ZEBRA zebra
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:INVERT :CAPITALIZE Zebra Zebra
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:INVERT :CAPITALIZE zebra ZEBRA
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</PRE>
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</TT> <P>
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<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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