mpdinbrief – An enhanced version of dinbrief

A mi­nor en­hance­ment of din­brief, im­ple­ment­ing (as its par­ent pack­age does) the let­ter lay­out rules of DIN (Deutsches In­sti­tut für Nor­mung, Ger­man stan­dard­i­s­a­tion in­sti­tute).