[x] Build Letters Interface with PHP (combination of GET and POST).
[x] Be sure to remove duplicate files from eXist!
[ ] Comb through XSLT: Are we missing salutation lines or is MRM not using them? What else?
[ ] Build drama interface
[ ] Write page of basic editorial style for the Digital Mitford project to document choice of international Oxford spelling and other style decisions: this is for the Codebook as well as for the website.
Flexible menus and suchlike (for future reference): http://www.w3schools.com/css/css_rwd_viewport.asp
and SDavis-Pitt/GoTDH#22 (comment)