This is working now, thanks!

my xquery file: ---------------------------- (: A unique, sorted list of all unique ingredients in the recipe collection, with URLS to link to the recipes. :) <ingredients> { for $ingr in distinct-values(collection('recipeml/docs.xml')/recipeml/recipe/ingredients/ing/item) order by $ingr return <ite...

I was looking at this tutorial http://www.xml.com/pub/a/2005/03/02/xquery.html which I think makes use of the xquery collection function, and I'm getting 'invalid URI passed to {recipeml/docs.xml} passed to collection() function' error I've check that the example runs with saxon using command line. ...