Web Mapping Illustrated by Tyler Mitchell This errata page lists errors outstanding in the most recent printing. If you have technical questions or error reports, you can send them to booktech@oreilly.com. Please specify the printing date of your copy. This page was updated November 8, 2005. Here's a key to the markup: [page-number]: serious technical mistake {page-number}: minor technical mistake : important language/formatting problem (page-number): language change or minor formatting problem ?page-number?: reader question or request for clarification Confirmed errors: {179} Example 11-2 listing; Missing opening element between and elements {180} Example 11-3 listing; Opening of element missing between and elements. (194) first paragraph; Last sentence, first paragraph: There are two "add"s in a row, i.e., "Now you'll add add three options..." {272} Last code example; This line: select buffer( simplify(wkb_geometry,0.01), 0.2) as wkb_geometry Has the simplify and buffer distance and simplify tolerance mixed up. It should read: select buffer( simplify(wkb_geometry,0.2), 0.01) as wkb_geometry