AJAX core library: possible breaking change, readystatechange functions are now called with the XHR instance as the first parameter, to allow requests to run in parallel. This means much better stability but may break some applets (compatibility hack is included)
tinyMCE.addI18n('en.xhtmlxtras_dlg',{
attribute_label_title:"Title",
attribute_label_id:"ID",
attribute_label_class:"Class",
attribute_label_style:"Style",
attribute_label_cite:"Cite",
attribute_label_datetime:"Date/Time",
attribute_label_langdir:"Text Direction",
attribute_option_ltr:"Left to right",
attribute_option_rtl:"Right to left",
attribute_label_langcode:"Language",
attribute_label_tabindex:"TabIndex",
attribute_label_accesskey:"AccessKey",
attribute_events_tab:"Events",
attribute_attrib_tab:"Attributes",
general_tab:"General",
attrib_tab:"Attributes",
events_tab:"Events",
fieldset_general_tab:"General Settings",
fieldset_attrib_tab:"Element Attributes",
fieldset_events_tab:"Element Events",
title_ins_element:"Insertion Element",
title_del_element:"Deletion Element",
title_acronym_element:"Acronym Element",
title_abbr_element:"Abbreviation Element",
title_cite_element:"Citation Element",
remove:"Remove",
insert_date:"Insert current date/time",
option_ltr:"Left to right",
option_rtl:"Right to left",
attribs_title:"Insert/Edit Attributes"
});