- section titles: uppercase (?)
- \all, \priest and \lector: first letter of the text at the same distance from the left border
- replace \newcommand with \NewDocumentCommand (xparse package); probably xkeyval and fixltx2e become obsolete
- redefine \maketitle
- booklet: provide a title page
- setting correctly white and rose liturgical colour
- more space between text and music; music: more compact
- improve \otherwise
- use "ambrosian" option
- bibleref.sty: send the modified file to the author
- i18n (babel and/or polyglossia)
- LuaLaTeX compatibility