Errors:
Obsolete doctype. Expected “<!DOCTYPE html>”.
When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.
Saw “<!--” within a comment. Probable cause: Nested comment (not allowed).
Bad value “” for attribute “action” on element “form”: Must be non-empty.
Start tag “a” seen but an element of the same type was already open.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “li” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Bad value “/whats_on/events_calendar/event_detail.aspx?eventId=4779&title=Sanskrit: an introduction for absolute beginners&eventType=Course” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/whats_on/events_calendar/event_detail.aspx?eventId=4780&title=Mandarin Chinese: an introduction for absolute beginners&eventType=Course” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/whats_on/events_calendar/event_detail.aspx?eventId=4691&title=Mastering Japanese lacquer: Murose Kazumi in conversation&eventType=Special event” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/whats_on/events_calendar/event_detail.aspx?eventId=4690&title=Looking for Oum Kulthum by Shirin Neshat and Shoja Azeri&eventType=Special event” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/whats_on/events_calendar/event_detail.aspx?eventId=4856&title=Poet in the City presents: Shifting Dimensions&eventType=Performance” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/whats_on/events_calendar/event_detail.aspx?eventId=4698&title=The future of Europe in the age of Asia&eventType=Panel discussion” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Bad value “//” for attribute “action” on element “form”: Invalid host: empty host.
Duplicate attribute “class”.
Bad value for attribute “src” on element “iframe”: Tab, new line or carriage return found.
Warnings:
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
Document uses the Unicode Private Use Area(s), which should not be used in publicly exchanged documents. (Charmod C073)
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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