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Re: [xsl] Re: Initial whitespace in PI from XSLT, appendices

2022-05-07 16:51:54
https://www.w3.org/TR/xslt-30/#constructing-simple-content :

"
.  .  .
6. In the case of xsl:processing-instruction
<https://www.w3.org/TR/xslt-30/#element-processing-instruction>, any
leading spaces in the resulting string are removed.
"



On Sat, May 7, 2022 at 2:34 PM Bauman, Syd 
s(_dot_)bauman(_at_)northeastern(_dot_)edu <
xsl-list-service(_at_)lists(_dot_)mulberrytech(_dot_)com> wrote:

*APPENDIX A:* XSLT program and input document
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
  version="1.0">

  <?syd nospace?>
  <?syd already normalized space?>
  <?syd lots of     space    between  stuff   ?>
  <?syd     leading spaces      and     tabs    between!?>
  <?syd let’s try a new
    line ?>
  <?syd
    leading newline?>

  <xsl:template match="/">
    <anOutermostElement>
      <xsl:text>&#x0A;</xsl:text>
      <xsl:apply-templates select="//processing-instruction()"/>
    </anOutermostElement>
  </xsl:template>

  <xsl:template match="processing-instruction()">
    <!-- Announce that we are processing the next PI: -->
    <xsl:text>--------- first 3 chars=</xsl:text>
    <xsl:value-of select="concat('‘', substring( ., 1, 3 ), '’')"/>

    <!-- Try copying to output: -->
    <xsl:text>&#x0A;     copy: </xsl:text>
    <xsl:copy/>

    <!-- I expect this different way of expressing "copy this" to do the
same thing: -->
    <xsl:text>&#x0A;  copy-of: </xsl:text>
    <xsl:copy-of select="."/>

    <!-- Construct a new processing instruction based on the input: -->
    <xsl:text>&#x0A; proc-ins: </xsl:text>
    <xsl:processing-instruction name="{name(.)}">
      <xsl:value-of select="."/>
    </xsl:processing-instruction>

    <!-- Construct, but normalize space on the value string first: -->
    <xsl:text>&#x0A; norm-spc: </xsl:text>
    <xsl:processing-instruction name="{name(.)}">
      <xsl:value-of select="normalize-space(.)"/>
    </xsl:processing-instruction>

    <!-- Construct, but (try to) force a space as 1st char: -->
    <xsl:text>&#x0A;insrt-spc: </xsl:text>
    <xsl:processing-instruction name="{name(.)}">
      <xsl:value-of select="concat(' ', normalize-space(.) )"/>
    </xsl:processing-instruction>

    <!-- Construct, but (try to) force a newline as 1st char: -->
    <xsl:text>&#x0A;insrt-nln: </xsl:text>
    <xsl:processing-instruction name="{name(.)}">
      <xsl:value-of select="concat('&#x0A;', normalize-space(.) )"/>
    </xsl:processing-instruction>

    <xsl:text>&#x0A;</xsl:text>
  </xsl:template>

</xsl:stylesheet>

*APPENDIX B:* Output from `xsltproc`
<?xml version="1.0"?>
<anOutermostElement>
--------- first 3 chars=‘nos’
     copy: <?syd nospace?>
  copy-of: <?syd nospace?>
 proc-ins: <?syd nospace?>
 norm-spc: <?syd nospace?>
insrt-spc: <?syd  nospace?>
insrt-nln: <?syd
nospace?>
--------- first 3 chars=‘alr’
     copy: <?syd already normalized space?>
  copy-of: <?syd already normalized space?>
 proc-ins: <?syd already normalized space?>
 norm-spc: <?syd already normalized space?>
insrt-spc: <?syd  already normalized space?>
insrt-nln: <?syd
already normalized space?>
--------- first 3 chars=‘lot’
     copy: <?syd lots of     space    between  stuff   ?>
  copy-of: <?syd lots of     space    between  stuff   ?>
 proc-ins: <?syd lots of     space    between  stuff   ?>
 norm-spc: <?syd lots of space between stuff?>
insrt-spc: <?syd  lots of space between stuff?>
insrt-nln: <?syd
lots of space between stuff?>
--------- first 3 chars=‘lea’
     copy: <?syd leading spaces and     tabs    between!?>
  copy-of: <?syd leading spaces and     tabs    between!?>
 proc-ins: <?syd leading spaces and     tabs    between!?>
 norm-spc: <?syd leading spaces and tabs between!?>
insrt-spc: <?syd  leading spaces and tabs between!?>
insrt-nln: <?syd
leading spaces and tabs between!?>
--------- first 3 chars=‘let’
     copy: <?syd let’s try a new
    line ?>
  copy-of: <?syd let’s try a new
    line ?>
 proc-ins: <?syd let’s try a new
    line ?>
 norm-spc: <?syd let’s try a new line?>
insrt-spc: <?syd  let’s try a new line?>
insrt-nln: <?syd
let’s try a new line?>
--------- first 3 chars=‘lea’
     copy: <?syd leading newline?>
  copy-of: <?syd leading newline?>
 proc-ins: <?syd leading newline?>
 norm-spc: <?syd leading newline?>
insrt-spc: <?syd  leading newline?>
insrt-nln: <?syd
leading newline?>
</anOutermostElement>

*APPENDIX C:* Output from Saxon:
<?xml version="1.0" encoding="UTF-8"?><anOutermostElement>
--------- first 3 chars=‘nos’
     copy: <?syd nospace?>
  copy-of: <?syd nospace?>
 proc-ins: <?syd nospace?>
 norm-spc: <?syd nospace?>
insrt-spc: <?syd nospace?>
insrt-nln: <?syd nospace?>
--------- first 3 chars=‘alr’
     copy: <?syd already normalized space?>
  copy-of: <?syd already normalized space?>
 proc-ins: <?syd already normalized space?>
 norm-spc: <?syd already normalized space?>
insrt-spc: <?syd already normalized space?>
insrt-nln: <?syd already normalized space?>
--------- first 3 chars=‘lot’
     copy: <?syd lots of     space    between  stuff   ?>
  copy-of: <?syd lots of     space    between  stuff   ?>
 proc-ins: <?syd lots of     space    between  stuff   ?>
 norm-spc: <?syd lots of space between stuff?>
insrt-spc: <?syd lots of space between stuff?>
insrt-nln: <?syd lots of space between stuff?>
--------- first 3 chars=‘lea’
     copy: <?syd leading spaces and     tabs    between!?>
  copy-of: <?syd leading spaces and     tabs    between!?>
 proc-ins: <?syd leading spaces and     tabs    between!?>
 norm-spc: <?syd leading spaces and tabs between!?>
insrt-spc: <?syd leading spaces and tabs between!?>
insrt-nln: <?syd leading spaces and tabs between!?>
--------- first 3 chars=‘let’
     copy: <?syd let’s try a new
    line ?>
  copy-of: <?syd let’s try a new
    line ?>
 proc-ins: <?syd let’s try a new
    line ?>
 norm-spc: <?syd let’s try a new line?>
insrt-spc: <?syd let’s try a new line?>
insrt-nln: <?syd let’s try a new line?>
--------- first 3 chars=‘lea’
     copy: <?syd leading newline?>
  copy-of: <?syd leading newline?>
 proc-ins: <?syd leading newline?>
 norm-spc: <?syd leading newline?>
insrt-spc: <?syd leading newline?>
insrt-nln: <?syd leading newline?>
</anOutermostElement>

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-- 
Cheers,
Dimitre Novatchev
---------------------------------------
Truly great madness cannot be achieved without significant intelligence.
---------------------------------------
To invent, you need a good imagination and a pile of junk
-------------------------------------
Never fight an inanimate object
-------------------------------------
To avoid situations in which you might make mistakes may be the
biggest mistake of all
------------------------------------
Quality means doing it right when no one is looking.
-------------------------------------
You've achieved success in your field when you don't know whether what
you're doing is work or play
-------------------------------------
To achieve the impossible dream, try going to sleep.
-------------------------------------
Facts do not cease to exist because they are ignored.
-------------------------------------
Typing monkeys will write all Shakespeare's works in 200yrs.Will they write
all patents, too? :)
-------------------------------------
Sanity is madness put to good use.
-------------------------------------
I finally figured out the only reason to be alive is to enjoy it.
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