improving '{...}' in bash?

[Harald Dunkel]

Hi folks,

This feels weird:

        % echo x{1,2}x
        x1x x2x
        % echo x{1}x
        x{1}x
        % echo x{1..3,5}x
        x1..3x x5x

I would have expected "x1x" and "x1x x2x x3x x5x".

Regards
Harri