> Character class>>separators
>     "Answer a collection of the standard ASCII separator characters."
> 
>     ^ #(32 "space"
>         13 "cr"
>         9 "tab"
>         10 "line feed"
>         12 "form feed"
>         1 "text separator")
>         collect: [:v | Character value: v] as: String
> 
> This seems simple and clear to me.

+1, just were stumbling upon this missing separator right now, too. See also: http://forum.world.st/ENH-isSeparator-tp5129517.html :-)

Hm, why don't we have #separators depend on #isSeparator and use a cache? It should not be slower but we would save some duplication ...

Best,
Christoph