Comment # 3 on bug 1227807 from Dr. Werner Fink

(In reply to Michael Andres from comment #2)
> @Werner any idea why bash does not complete after a {}? 
> (my message to you in SLACK has a few more details)

AFAIK the braces should be expanded *before* completion like with

   echo libopenal{0,1}
   libopenal0 libopenal1

but what I see is

   compgen -W '' -- 'libopenal{0,1}'

if I trace the bash with `set -x` which is correct ... AFAIK there is no
completion working with {x,y} nor with {x..y} as this would require an eval
builtin and introduces a security risk (let one of the arguments be a
executable script below e.g. /tmp/ with the same name)