I thought what was wanted was to write the _comments_ vertically, as in:

mean=: +/ % #
NB.  i sr d l
NB.  s ue i e
NB.    md v n
NB.     u i g
NB.     c d t
NB.     t e h
NB.     i d
NB. o NB. n b
NB.       y

On Wed, 27 Apr 2022, Raul Miller wrote:

For what it's worth, J could easily be written vertically. But that's
probably not quite what people would want.

vertical=: {{ 0!:0;:inv{.@;:;._2 m}}
{{)n
 mean
   =:
    +
      /
     %
     #
}}vertical

  mean 1 2 3
2

--
Raul

On Wed, Apr 27, 2022 at 2:01 PM Hauke Rehr <hauke.r...@uni-jena.de> wrote:

What keeps you from writing your comments vertically‽

Am 27.04.22 um 14:50 schrieb Ed Gottsman:
> If J were written vertically, it might be easier to comment.

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