On Tue, Apr 12, 2011 at 2:35 AM, Steven Taylor <[email protected]> wrote: > The domain error occured while trying to use `symname instead of s: ' > symname'. I guess this is not defined (pity).
` is a separator, for composing gerunds, it needs something on both sides. (You can use '' on one side if you only want one item in your list, but I am pretty sure that it does not generate symbols.) > The syntax error occurs when I try to be sneaky and define ` as a verb. > Probably this is not allowed. Please confirm. Correct. > NB. so lets try to define ` as a verb. Is there a limit on which characters > can form a verb? > `=: s: > |syntax error > | `=:s: Names which can be assigned need to begin with a letter and must be followed by alphanumeric characters (in addition to letters you can use digits 0-9 and _ though be cautioned that when you have two _ in the name that sometimes has special significance (those times are: when one of the _ is final or when two _ are adjacent.)) I hope this helps, -- Raul ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
