In addition to the required modules, this customization loads the modules for drama and for linking, segmentation, and alignment. The latter provides the next and prev attributes which are often useful when dramatic speeches overlap verse lines in a non-hierarchical manner. Other global attributes which are normally provided by this module have been deleted from this customization. In addition the xml:base and xml:space attributes have been removed. Following TEI with Drama by SB and SR, some global linking attributes that come with att.global.linking are removed. Also the global attribute xml:base is removed. defines the attributes used for aggregating partial elements into a single virtual element. a URI which should point to an element of the same type, typically within the same document a URI which should point to an element of the same type, typically within the same document provides a set of attributes common to all elements in the tei_drama customization of the TEI encoding scheme.