to_char support for intervals

I'm going to be looking into this, and was wondering what things people 
were looking for  as formatting types.

I don't have the original discussions, and don't want to just invent stuff.

LER


-- 
Larry Rosenman                     http://www.lerctr.org/~ler
Phone: +1 972-414-9812                 E-Mail: ler@lerctr.org
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