This section handles the sanitization of URLs by defining variables for illegal characters and their replacements. It ensures that any invalid or unsafe characters in URLs are replaced with a safe string to avoid errors or security issues.

Description: This variable defines a list of characters that are not allowed in URLs, such as spaces, punctuation, and special symbols. These characters need to be replaced to create valid, safe URLs.

<xsl:variable name="illegalURLString">
	<xsl:text> /\.:!"'£$%^&amp;*()|</xsl:text>
</xsl:variable>

Description: This variable defines the string that will replace any illegal characters found in URLs. In this case, it replaces them with four dashes (----).

<xsl:variable name="illegalReplaceString" select="'----'" />

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