+log 0, 'replace colophon page with one for this edition'
+ xml.xpath('//colophon/para').remove
+s = xml.xpath('//colophon')[0]
+s.first_element_child.after(<<'XML')
+<para>Made with Creative Commons</para>
+
+<para>by Paul Stacey & Sarah Hinchliff Pearson</para>
+
+<para>© 2017 by the Creative Commons Foundation.</para>
+
+<para>Published under a Creative Commons Attribution-ShareAlike
+license (CC BY-SA), version 4.0.</para>
+
+<para>ISBN: YET-TO-BE-DECIDED (PDF), YET-TO-BE-DECIDED (ePub),
+YET-TO-BE-DECIDED (Paperback) </para>
+
+<para>Illustrations by Bryan Mathers,
+<ulink url="https://bryanmmathers.com/"/>.</para>
+
+<para>Publisher: Gunnar Wolf.</para>
+
+<para>
+<!--space for information about translators-->
+
+</para>
+
+<para>Downloadable e-book available at
+<ulink url="https://madewith.cc/"/>.</para>
+
+<para>This book is published under a CC BY-SA license, which means that you
+can copy, redistribute, remix, transform, and build upon the content for
+any purpose, even commercially, as long as you give appropriate credit,
+provide a link to the license, and indicate if changes were made. If you
+remix, transform, or build upon the material, you must distribute your
+contributions under the same license as the original. License details:
+<ulink url="http://creativecommons.org/licenses/by-sa/4.0/"/></para>
+
+<para>Made With Creative Commons is published with the kind support of
+Creative Commons and backers of our crowdfunding-campaign on the
+Kickstarter.com platform.</para>
+
+<para>This edition of the book is maintained on
+<ulink url="https://gitlab.com/gunnarwolf/madewithcc-es/"/>, and the
+translations are maintained on
+<ulink url="https://hosted.weblate.org/projects/madewithcc/"/>. If
+you find any error in the book, please let us know via gitlab.</para>
+
+<para>
+Classifications:
+</para>
+
+<para>
+(Dewey) 346.048, 347.78
+</para>
+
+<para>
+(UDK) ?
+</para>
+
+<para>
+(US Library of Congress) Z286 O63 S73 2017
+</para>
+
+<para>
+(Melvil) 025.523
+</para>
+
+<para>
+(ACM CRCS) ?
+</para>
+
+XML
+
+log 0, 'remove title from colophon'
+xml.css('colophon title')[0].content = ""
+