Implementation of http://sourceforge.net/p/tei/feature-requests/443/ (global @resp)
as detailed in the plan here: http://wiki.tei-c.org/index.php/Global_@resp_attribute.


git-svn-id: svn+ssh://svn.code.sf.net/p/tei/code/trunk@13092 e5332ce4-a50f-0410-b94b-d658400b0204