Re: saxon xmlspy discrepancy in whitespace handling

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Subject: Re: saxon xmlspy discrepancy in whitespace handling
From: Abel Braaksma <abel.online@xxxxxxxxx>
Date: Wed, 17 Jan 2007 14:45:24 +0100

David Carlisle wrote:

<xsl:variable name="newline" select=" '
' " />
2nd one, not the 1st (which is equivalent to <xsl:variable name="newline"/>

Oops!

(side note:) I tend to solve my own whitespace problems with character maps, so that I can use a private use character everywhere in my code. That way I do not need to think about the whitespace removal of the stylesheet:

inside a stylesheet dtd:

<!ENTITY newline "&#38;#x0A;" >
<!ENTITY newline_substitute "&#xE0F2;" >   <!-- mapped to newline -->
<!ENTITY nsub "&newline_substitute;" >     <!-- alias -->

the xslt:

<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE xsl:stylesheet SYSTEM "../../xslt-common/dtd/webitor-transformation.dtd" >

<xsl:stylesheet
   version                    = "2.0"
   xmlns:xsl                = "http://www.w3.org/1999/XSL/Transform" >

<xsl:character-map name="substitutes"> <xsl:output-character character="&newline_substitute;" string="&newline;"/> </xsl:character-map>

<xsl:output use-character-map="substitutes" />

   <xsl:template match="/">
       <xsl:value-of select=" '&nsub;' " />
   </xsl:template>
</xsl:stylesheet>

In the example above there is no reason at all of course for using &nbsub; instead of 
 unless for readability (but you could use &newline; too). However, when passing around variables, doing copy-of, value-of etc, or even a normalice-space, you can loose the newlines. This way you can preserve them more easily and, the better part, when I place an &nsub; anywhere, it will always be output (which is not so for 
)

There are other possibilities that have to do with linebreaking and proper indentation that are otherwise hard to achieve or may get lost in parameter passing as value-of instead of copy-of etc., but I am drifting too far away now from the OP's question....

(I wonder if this technique is used by others, too and for what purposes; I use similar tricks for easier handling of quote-escapes in source documents and outputting tab characters for indentation when normal indentation does not suffice)

-- Abel Braaksma

Current Thread

Re: saxon xmlspy discrepancy in whitespace handling, (continued)
- George Cristian Bina - 17 Jan 2007 10:04:04 -0000
- Abel Braaksma - 17 Jan 2007 10:48:23 -0000
  - Colin Adams - 17 Jan 2007 11:10:49 -0000
  - David Carlisle - 17 Jan 2007 13:01:48 -0000
    - Abel Braaksma - 17 Jan 2007 13:46:52 -0000 <=
    - Alexey Nickolaenkov - 17 Jan 2007 14:32:35 -0000
    - Abel Braaksma - 17 Jan 2007 14:38:43 -0000
    - Alexey Nickolaenkov - 17 Jan 2007 14:42:00 -0000
    - Michael Kay - 17 Jan 2007 18:49:18 -0000

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Re: saxon xmlspy discrepancy , David Carlisle	Thread	saxon error, Alexey Nickolaenkov
Re: saxon xmlspy discrepancy , David Carlisle	Date	saxon error, Alexey Nickolaenkov
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