Hi Mukul,



i just spot one thing that was due to a missing point in my business rule 
description, regarding the concatenation of ";headlines;" for the 
"display_on" attribute.



some releases do not need to have ";headlines;" to be added in the 
"display_on" attribute.



i tried to make changes on the solution you gave me below but i was not 
successful. here is what i have revised on your solution:



<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" 
version="1.0">

	<xsl:output method="xml" indent="yes" omit-xml-declaration="yes"/>

	<xsl:template match="node() | @*">

		<xsl:copy>

			<xsl:apply-templates select="node() | @*"/>

		</xsl:copy>

	</xsl:template>

	<xsl:template match="release[@display_on = 'headlines;'][fcc_doc_number = 
../release[not(@display_on = 'headlines;')]/fcc_doc_number]">

		<xsl:attribute name="display_on"><xsl:value-of select="concat(., 
';headlines')"/></xsl:attribute>

	</xsl:template>



	<xsl:template match="release[@display_on = 
'headlines;'][normalize-space(fcc_doc_number) = '']">

		<xsl:copy-of select="."/>

	</xsl:template>

</xsl:stylesheet>



it simply did not append ";headlines:" to all "display_on" attributes.
here is the sample file i am trying to work on, notice release id 19:

<?xml version="1.0" encoding="UTF-8"?>

<releases xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">

	<!-- Data group A -->

	<release id="2" name="Chairman Bureau" display_on="headlines;" type="NEWS 
RELEASE">

		<fcc_doc_number>6</fcc_doc_number>

	</release>

	<release id="4" name="Wireless Telecommunications Bureau" 
display_on="headlines;" type="PUBLIC NOTICE">

		<fcc_doc_number>5</fcc_doc_number>

	</release>

	<release id="6" name="Georgia Pacific Corporation" display_on="headlines;" 
type="ORDER">

		<fcc_doc_number>4</fcc_doc_number>

	</release>

	<release id="8" name="Garmin International" display_on="headlines;" 
type="ORDER">

		<fcc_doc_number>3</fcc_doc_number>

	</release>

	<release id="10" name="Wireless Telecommunications Bureau" 
display_on="headlines;" type="PUBLIC NOTICE">

		<fcc_doc_number>2</fcc_doc_number>

	</release>

	<release id="12" name=" Wireless " display_on="headlines;" type="PUBLIC 
NOTICE">

		<fcc_doc_number />

	</release>

	<!-- Data group B -->

	<release id="14" name="In the Matter of Applications" display_on="uls" 
type="MEMORANDUM OPINION AND ORDER">

		<fcc_doc_number>5</fcc_doc_number>

	</release>

	<release id="16" name="Auction of FM" display_on="asas" type="PUBLIC 
NOTICE">

		<fcc_doc_number>4</fcc_doc_number>

	</release>

	<release id="18" name="Modification of Ex Parte Status" display_on="asr" 
type="PUBLIC NOTICE">

		<fcc_doc_number>3</fcc_doc_number>

	</release>

	<release id="19" name="Modification of Ex Parte Status" display_on="poc" 
type="ORDER">

		<fcc_doc_number>13</fcc_doc_number>

	</release>

</releases>



and here is the desried resulting file, noltice release id 19:

<releases xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">

	<!-- Data group A -->

	<release id="2" name="Chairman Bureau" display_on="headlines;" type="NEWS 
RELEASE">

		<fcc_doc_number>6</fcc_doc_number>

	</release>

	<release id="10" name="Wireless Telecommunications Bureau" 
display_on="headlines;" type="PUBLIC NOTICE">

		<fcc_doc_number>2</fcc_doc_number>

	</release>

	<release id="12" name=" Wireless " display_on="headlines;" type="PUBLIC 
NOTICE">

		<fcc_doc_number/>

	</release>

	<!-- Data group B -->

	<release id="14" name="In the Matter of Applications" 
display_on="uls;headlines;" type="MEMORANDUM OPINION AND ORDER">

		<fcc_doc_number>5</fcc_doc_number>

	</release>

	<release id="16" name="Auction of FM" display_on="asas;headlines;" 
type="PUBLIC NOTICE">

		<fcc_doc_number>4</fcc_doc_number>

	</release>

	<release id="18" name="Modification of Ex Parte Status" 
display_on="asr;headlines;" type="PUBLIC NOTICE">

		<fcc_doc_number>3</fcc_doc_number>

	</release>

	<release id="19" name="Modification of Ex Parte Status" display_on="poc" 
type="ORDER">

		<fcc_doc_number>13</fcc_doc_number>

	</release>

</releases>




Thank you and have a nice day!



Best Regards,



Wei Chin



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