An initial Schematron Schema for any EAD to validate for EHRI-preprocess this is before any EHRI preprocess. after validating according to the ead.xsd, this establishes some rules, according to Deliverable 17.3, for ead's provided to EHRI. It may be used as a starting point for data providers. Version History: 0.1 (2014-10-07) : Initial rules 0.2 (2014-10-17) DEFINITIONS MUST-WP19: mandatory for import process according to WP19 MUST-EAD: mandatory according to the EAD specification of LoC SHOULD-WP17: mandatory for description process according to WP17 SHOULD-WP19: desirable for description process according to WP19 COULD: desirable for description process according to WP17 EAD header the EAD header contains useful information, like language of description, eadid etc. eadid MUST contain text eadheader MUST contain a profiledesc eadheader MUST specify a langusage/language did's a did MUST have a unitid, according 17.3 and WP19 unitid's MUST be unique within one eadfile, according 17.3 a did MUST have a unittitle, according 17.3 a did MUST have at least one non-empty unittitle unitdate's the xsd imposes a regexp on the 'normal' attribute. the unitdate itself however is free-text. level attribute archdesc/c-level with @level 'otherlevel' MUST have an @otherlevel attribute describing the level dsc with @type 'othertype' MUST have an @othertype attribute describing the type archdesc's and c-levels archdesc MUST have a level-attribute language MUST contain a langcode attribute c01 MUST have a level-attribute c02 MUST have a level-attribute c03 MUST have a level-attribute c04 MUST have a level-attribute c05 MUST have a level-attribute c06 MUST have a level-attribute