http://en.wikipedia.org/wiki/Combining_character has a list of combining characters.
But unicode imposes other structures on strings. For example: 4 u: 16bfff9 +i.3 or http://en.wikipedia.org/wiki/Bi-directional_text For that matter, line end characters impose structure on a string, unicode or not. -- Raul ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
