Thank you ... I had thought of using perl. In fact the transformation
script is a perl script that first converts from SGML to XML and then
changes graphic names and bunch of other strings. The problem for me
with perl is that I have to do more work to handle items, like
elements starting on one line and finishing on another. I wanted to
move from my serial and string based approach to XSL thinkin' I could
get my skills more current and do more with less effort.
D
On Sat, Dec 20, 2008 at 11:05 PM, Deborah Pickett
<debbiep-list-xsl(_at_)futzle(_dot_)com> wrote:
Hi Douglas,
Douglas Wade wrote:
<applic><assert></assert></
applic>
to
<!-- <applic><assert></assert></applic> -->
The reason this isn't working for you is that XSLT doesn't produce
serialized XML (at least, not directly). It produces a result tree
(think of something like a DOM tree), which is serialized to XML by
another agent*. In other words, XSLT works on elements and nodes, not
tags and text.
It's not allowed for an XML result tree to have comment nodes (made with
<xsl:comment>) with child nodes other than text. If you try something like
<xsl:comment><xsl:element name="foo"/></xsl:comment>
you will get an error reminding you of this.
That said, there are a couple of ways you can do this. One is to not
use XSLT at all, and treat this as a text-substitution problem to be
done in a general text-processing language like Perl. The other is to
use an XPath extension function such as saxon:serialize(), which can
turn an XML result tree into a string that represents the tree, which
you can then stick into your output with <xsl:value-of>.
Whichever way you go, you will need to ensure that the comment never
contains the sequence of characters "--", which is forbidden in XML
comments to prevent the possibility of comments nesting.
* That agent is usually your XSLT processor, after it has finished
processing the stylesheet, but XSLT processors don't have to do this.
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