Sophie: docbook-style-dsssl-doc-1.79-16.mga7 noarch

docbook-style-dsssl-doc-1.79-16.mga7.noarch.rpm

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN""http://www.w3.org/TR/html4/loose.dtd">
<HTML
><HEAD
><TITLE
>descendant-of?</TITLE
><META
NAME="GENERATOR"
CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK
REL="HOME"
TITLE="DSSSL Library Reference"
HREF="index.html"><LINK
REL="UP"
TITLE="Miscellaneous"
HREF="r300.htm"><LINK
REL="PREVIOUS"
TITLE="has-ancestor-member?"
HREF="has-ancestor-member-p.html"><LINK
REL="NEXT"
TITLE="expand-children"
HREF="expand-children.html"></HEAD
><BODY
CLASS="REFENTRY"
BGCOLOR="#FFFFFF"
TEXT="#000000"
LINK="#0000FF"
VLINK="#840084"
ALINK="#0000FF"
><DIV
CLASS="NAVHEADER"
><TABLE
SUMMARY="Header navigation table"
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
><TR
><TH
COLSPAN="3"
ALIGN="center"
>DSSSL Library Reference: Part of the Modular DocBook Stylesheet distribution</TH
></TR
><TR
><TD
WIDTH="10%"
ALIGN="left"
VALIGN="bottom"
><A
HREF="has-ancestor-member-p.html"
ACCESSKEY="P"
>Prev</A
></TD
><TD
WIDTH="80%"
ALIGN="center"
VALIGN="bottom"
></TD
><TD
WIDTH="10%"
ALIGN="right"
VALIGN="bottom"
><A
HREF="expand-children.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><H1
><A
NAME="DESCENDANT-OFX3F"
></A
>descendant-of?</H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN946"
></A
><H2
>Name</H2
>descendant-of?&nbsp;--&nbsp;Returns true if the child is some descendant of the specified node</DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN949"
></A
><H2
>Synopsis</H2
><PRE
CLASS="SYNOPSIS"
>(descendant-of? ancestor child)</PRE
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN952"
></A
><H2
>Description</H2
><P
>Returns <TT
CLASS="LITERAL"
>#t</TT
> if <TT
CLASS="LITERAL"
>child</TT
> is a descendant of <TT
CLASS="LITERAL"
>ancestor</TT
>.</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN958"
></A
><H2
>Author</H2
><P
>Norman Walsh, &lt;ndw@nwalsh.com&gt;</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN961"
></A
><H2
>Source Code</H2
><PRE
CLASS="PROGRAMLISTING"
>(define (descendant-of? ancestor child)
  ;; Returns true if the child is some descendant of the specified node
  (let loop ((c child))
    (if (node-list-empty? c)
	#f
	(if (node-list=? ancestor c)
	    #t
	    (loop (parent c))))))</PRE
></DIV
><DIV
CLASS="NAVFOOTER"
><HR
ALIGN="LEFT"
WIDTH="100%"><TABLE
SUMMARY="Footer navigation table"
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
><A
HREF="has-ancestor-member-p.html"
ACCESSKEY="P"
>Prev</A
></TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="index.html"
ACCESSKEY="H"
>Home</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
><A
HREF="expand-children.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>has-ancestor-member?</TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="r300.htm"
ACCESSKEY="U"
>Up</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
>expand-children</TD
></TR
></TABLE
></DIV
></BODY
></HTML
>