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Re: Option in form problem
- To: XSL-List at mulberrytech dot com
- Subject: Re: Option in form problem
- From: "G. Ken Holman" <gkholman at CraneSoftwrights dot com>
- Date: Mon, 08 May 2000 11:57:01 -0400
- Reply-To: xsl-list at mulberrytech dot com
At 00/05/08 11:12 -0400, Elder, Larry wrote:
>I'm trying to create a blank line in a drop down list. The list is inside a
>form, obviously.
>
>What I'm using, and works BTW, is...
>
><xsl:element name="OPTION">
> <xsl:attribute name="SELECTED"/>
> </xsl:element>
>
>The output I get is
>
><Option selected="" />
Correct, because you haven't supplied a value for the attribute.
You can use a literal result element:
<OPTION selected="selected"/>
... or instructions:
<xsl:element name="OPTION">
<xsl:attribute name="selected">selected</xsl:selected>
</xsl:element>
>What I want is the more robust...
>
><Option selected />
Actually, "robust" isn't the word to use here ... SGML markup minimization
allows the name of the attribute to be omitted when the available tokens
are unique. If you looked at the SGML Document Type Definition for HTML
you would find:
<!ELEMENT OPTION - O (#PCDATA)*>
<!ATTLIST OPTION
selected (selected) #IMPLIED
value CDATA #IMPLIED -- defaults to element content --
>
The SGML way of specifying this without using minimization is:
<OPTION selected="selected"></OPTION>
This need is recognized by XSLT processors recognizing the HTML output
method, thus those processors will suppress the attribute name.
I hope my example below helps (the use of the HTML document element may
screw up some mail readers, such as my Eudora 4).
.............. Ken
T:\ftemp>type test.xsl
<?xml version="1.0"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
version="1.0">
<xsl:template match="/"> <!--root rule-->
<html><body>
<test1>
<OPTION selected="selected"/>
</test1>
<test2>
<xsl:element name="OPTION">
<xsl:attribute name="selected">selected</xsl:attribute>
</xsl:element>
</test2>
</body></html>
</xsl:template>
</xsl:stylesheet>
T:\ftemp>xt test.xsl test.xsl
<html>
<body>
<test1><OPTION selected></OPTION></test1><test2><OPTION
selected></OPTION></test
2>
</body>
</html>
T:\ftemp>
--
G. Ken Holman mailto:gkholman@CraneSoftwrights.com
Crane Softwrights Ltd. http://www.CraneSoftwrights.com/s/
Box 266, Kars, Ontario CANADA K0A-2E0 +1(613)489-0999 (Fax:-0995)
Web site: XSL/XML/DSSSL/SGML services, training, libraries, products.
Practical Transformation Using XSLT and XPath ISBN 1-894049-04-7
Next instructor-led training: 2000-05-11/12,2000-05-15,
- 2000-06-12,2000-06-13,2001-01-27
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