> Ah, well I have installed locate (mlocate to be precise, I am using
> Ubuntu)

> And I have used locate in the past, nevertheless

>  helm-locate keeps failing and giving me the screenshot I attached in my
>  earlier message, so some sort of bug in helm-locate for Ubuntu?

I tried it again, 

Maybe the fact that run sudo updatedb
made the difference, it seems that the update is not done automatically.

Be it as it may

 helm-locate finds %ftag_

But not not -- which is the 
(setq filetags-delimiter-between-filename-and-tags " -- ") 

orginal setting, hm, not sure why this is so


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