mfirstuc – Up­per­case the first let­ter of a word

The pack­age pro­vides com­mands \make­firstuc that up­per­cases the first let­ter in its ar­gu­ment, and \xmake­firstuc which ex­pands the ar­gu­ment be­fore up­per­cas­ing.
The pack­age is pro­vided as part of the glos­saries dis­tri­bu­tion.