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On Mon, Nov 4, 2013 at 8:50 PM, mniip <> wrote:
> If you look into the source, when you write %+ you actually create a
> character class consisting of a single character, '+', same with %%

Ok, that makes sense. So you can't use '%'  as the bound of a range,
but [!-$%%] will do.

Actually, %x as an escape sequence is described in the character class
section, I had not realized the implications.


-- Pierre-Yves