-- Later versions available in module space as
local p =
p.upper = function(frame) local s = mw.text.trim(frame.args[1] or "") return string.upper(s)end
p.lower = function(frame) local s = mw.text.trim(frame.args[1] or "") return string.lower(s)end
p.sentence = function (frame) local s = mw.text.trim(frame.args[1] or "") local letterpos = string.find(s, '%a') if letterpos then local first = string.sub(s, 1, letterpos - 1) local letter = string.sub(s, letterpos, letterpos) local rest = string.sub(s, letterpos + 1) return first .. string.upper(letter) .. string.lower(rest) else return s endend
return p