Documentation[créer] [purger]
local p = {}

function p.main( frame )
	local str = frame.args[ 1 ]
	local nb = frame.args[ 'nb' ]

	-- http://lua-users.org/wiki/StringTrim
	local function trim( s )
		return string.match( s, '^()%s*$' ) and '' or string.match( s, '^%s*(.*%S)' )
	end

	for i = 1, nb do
		trim( str )
	end
end

return p