Changes approved

• Allow units for mods:extent - approved 2012-03-12
• add RFC5646 to languageAuthorityAttributeDefinition - approved 2012-03-12
• add @altFormat and @contentType attributes  - approved 2012-04-09, revised 2012-09-17
• define @eventType under originInfo to indicate production, publication, distribution, manufacture - approved 2012-04-23, revised 2013-01-23
• @typeURI - approved 2012-09-17
• encoding machine generator for classification - approved 2013-01-09

Changes not approved

• New MODS element to point to cover images. The MODS/MADS Editorial Committee recommends the use of <relatedItem> for this purpose. - decision 2012-05-21
• editionURI attribute on classification element. The MODS/MADS Editorial Committee concluded that a classification scheme in editions would typically include the edition number in the URI that would be used in @authorityURI. - decision 2012-07-12
• Expressing transliterations

Documentation changes needed

• Add an instruction to use the value @transliteration="unspecified" to indicate an element is transliterated but the transliteration scheme is not known or otherwise is not provided. 
• Add example within <relatedItem> of linking to a cover image to the MODS User Guidelines.