fo template 'header.content'

I want to tweak the header contents.
http://www.sagehill.net/docbookxsl/PrintHeaders.html#PrintHeadersText
suggests header.content is the right place.

Running that, no priority attribute I get

Error at xsl:call-template on line 2025 of 
file:/sgml/docbook/docbook-xsl-ns-1.76.1/fo/pagesetup.xsl:
   There are several templates named 'header.content' with the same 
import precedence

3 times.

Documentation or use of include rather than import?


regards

-- 
Dave Pawson
XSLT XSL-FO FAQ.
http://www.dpawson.co.uk