<RefEntry id="url-encode-char">
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<?html-filename url-encode-char.html>

<RefMeta>
  <RefEntryTitle>url-encode-char</RefEntryTitle>
  <RefMiscInfo Role="file">dblib.dsl</RefMiscInfo>
</RefMeta>

<RefNameDiv>
  <RefName>url-encode-char</RefName>
  <RefPurpose>Returns the url-encoded equivalent of a character</RefPurpose>
</RefNameDiv>

<RefSynopsisDiv><Title>Synopsis</Title>
<Synopsis>
(url-encode-char ch)
</Synopsis>
</RefSynopsisDiv>

<RefSect1><Title>Description</Title>

<para>
Converts <literal>ch</literal> to a properly encoded URL character.</para>


</RefSect1>

<RefSect1><Title>Author</Title>

<para>
Norman Walsh, &lt;ndw@nwalsh.com&gt;
</para>
</RefSect1>
<RefSect1><Title>Source Code</Title>

<ProgramListing>
(define (url-encode-char ch)
  ;; Returns the url-encoded equivalent of a character
  (cond ((char=? ch #\space)  "%20") ; space
	((char=? ch #\U-0026) "%26") ; ampersand
	((char=? ch #\?)      "%3F") ; question
	((char=? ch #\{)      "%7B") ; open curly
	((char=? ch #\})      "%7D") ; close curly
	((char=? ch #\|)      "%7C") ; vertical bar
	((char=? ch #\\)      "%5C") ; backslash
	((char=? ch #\/)      "%2F") ; slash
	((char=? ch #\^)      "%5E") ; caret
	((char=? ch #\~)      "%7E") ; tilde
	((char=? ch #\[)      "%5B") ; open square
	((char=? ch #\])      "%5D") ; close square
	((char=? ch #\`)      "%60") ; backtick
	((char=? ch #\%)      "%25") ; percent
	((char=? ch #\+)      "%2B") ; plus
	(else (string ch))))
</ProgramListing>
</RefSect1>

</RefEntry>
