[Xquery] Comment constructors

• From: David Carlisle <davidc@nag.co.uk>
• Date: Mon, 19 Jan 2004 14:04:00 GMT
• To: public-qt-comments@w3.org
• Message-Id: <200401191404.OAA22905@penguin.nag.co.uk>

Neither form of comment constructor gives any indication of what is to
happen if (after atomization/casting) the string contains the sequence "--"
or ends in "-" neither of which are allowed in an XML comment.
3.7.2 Other Direct Constructors
3.7.3.6 Computed Comment Constructors
<!-- abc -- xyz -->
comment { "-123-"}
Both appear to be legal Xquery, but neither can directly result in an
XML comment and the first can not result in an XPath/Xquery data model
comment node:
https://www.w3.org/TR/xpath-datamodel/#CommentNode
somewhat strangely only bans "--" but allows a trailing "-".
By contrast, the xslt2 draft says,
https://www.w3.org/TR/xslt20/#creating-comments
[ERR XT0950] It is a recoverable dynamic error if the result of
evaluating the content of the xsl:comment contains the string -- or ends
with -. The optional recovery action is to insert a space after any
occurrence of - that is followed by another - or that ends the comment.
David
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Received on Monday, 19 January 2004 09:05:48 UTC