grammar checkers are 'down the road' a bit, I'm afraid, and I will tolerate those who obviously haven't had the education/practice .......but as I have posted several times, if you have a PC, a spelling checker for typing right HERE, in this box, is only as far away as this clicky FREE spelling checker...for several languages.

as to lack of capitals OR ALL CAPS, that is a matter of attitude and, perhaps, in the case of e.e. cummings and tex, a matter of taste/art.