displaying one character per line.

[Joe Corneli <jcorneli@math.utexas.edu>]

What to do to get this to look like this:

W
h
a
t

t
o

d
o

t
o

g
e
t

t
h
i
s

t
o

l
o
o
k

l
i
k
e

t
h
i
s
:

I don't mean just the search-and-replace solution: I am thinking
that the buffer should have the same content as it does normally,
just shown in this weird display mode.  I'd also like to be able to
do a word-based version of the same thing:

What
to
do
to
get
this
to
look
like
this: