[tldoc] TL translation strings updated

[Denis Bitouzé]

Le 08/03/19 à 17h25, Norbert Preining a écrit :

> On Fri, 08 Mar 2019, Denis Bitouzé wrote:
>
>> Question to the TL team: is there indeed only a single `*.po' file per
>> language?
>
>> I asked the very same question :)
>
> Please ask Siep!

OK but I don't see any hint about what are the strings for "pure"
`tlmgr' and what are the ones for `tlshell'.
-- 
Denis