bug#15537: 24.3; Man-completion-cache duplicates entries

[Stefan Monnier]

> Actual result: Each time I switch from requesting completion for one
> string to requesting completion for the other string, this adds once
> more all possible completions to Man-completion-cache.  So the cache
> keeps growing with duplicate entries.  How is the car of
> Man-completion-cache supposedd to help?

Thanks.  This seems to be fixed in the trunk already.


        Stefan