Re: [docbook-apps] Error from DocBook xsls: XTTE0780: Required item type of result of function f:normalize() is document-node();

[Jirka Kosek <jirka@kosek.cz>]

On 19.6.2012 22:14, David Cramer wrote:

> I get the following error:
> 
> Error on line 31 of 4-normalize.xsl:
>   XTTE0780: Required item type of result of function f:normalize() is
> document-node();

Hi David,

I have fixed this in

https://github.com/docbook/xslt20-stylesheets/commit/929bf17e5017a9c71b9adec947424cc0949d9522

but I still don't understand why error is raised in the first place.

> I'm still trying to get my head around the way the xsls do
> preprocessing, but I thought I'd see if anybody has seen this error.

Look at xslt/base/common/preprocess.xsl. There is function f:preprocess
which applies pipeline of preprocessing steps. In order to improve
performance only steps enabled by preprocess parameter are applied.
Preprocessing steps are done in a fixed order, and there are two steps
for doing user-defined document massage -- preprofile and postprofile.
By default those are just identities.

Let me know if you hit any problems. I wrote this code 2 years ago and
not used it since then.

HTH,

					Jirka

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