You can't customise it, but you can offer a document to be viewed alongside the python source. Check how Browse does it. <blockquote type="cite">On 30 Aug 2010 22:13, "Erik Blankinship" <<a href="mailto:erikb@mediamods.com">erikb@mediamods.com</a>> wrote: How do you customize what is shown when "view source" is selected for an activity? _______________________________________________ Sugar-devel mailing list <a href="mailto:Sugar-devel@lists.sugarlabs.org">Sugar-devel@lists.sugarlabs.org</a> <a href="http://lists.sugarlabs.org/listinfo/sugar-devel" target="_blank">http://lists.sugarlabs.org/listinfo/sugar-devel</a> </blockquote>