usr/lib/learn/eqn/L11.1e

#once #create message
.ND
.tr %$
.EQ
delim $$
.EN
.LP
Sometimes there will be a need for a subscript or superscript
that has nothing to the left of it, as in references like
  $"" sup 1$Smith, J. `A great paper...'

Experiment and decide if you can get this effect
by writing simply
  %sup 1%Smith, J.....

Type yes if this works, no if it does not.
.pl 1
#
#once neqn message | nroff -T$term %s/tinyms -
#copyin
#user
#uncopyin
#match no
#log
#next
11.1f 10