Handling of "since <time>"

[OdileDevismesSonos]

Fr: depuis - à partir de
En: since -from
De: seit - ab

French: "depuis" combined with durations, but not with simple dates
"depuis le 5 janvier": KO
recognized as "le 5 janvier"

"depuis 3 mois": OK
TimeInterval(Between { start: 2018-07-24T00:00:00+02:00, end: 2018-10-24T12:40:43.829472+02:00, precision: Exact, latent: false })

** French: "à partir de": OK
"à partir du 5 janvier": OK
TimeInterval(After(TimeOutput { moment: 2019-01-05T00:00:00+01:00, grain: Day, precision: Exact, latent: false }))

**English: "from", "from...on": KO
"from october 13th": KO
"from october 13th on": KO
recognized as "october 13th"

German: "seit" combined with simple dates, but not with durations
"seit dem 11. januar" : OK
TimeInterval(After(TimeOutput { moment: 2018-01-11T00:00:00+01:00, grain: Day, precision: Exact, latent: false }))

"seit 3 monaten": KO
recognized as "3 monaten"

**German: "ab" (= from, depuis): OK
"ab dem 11. Januar"
TimeInterval(After(TimeOutput { moment: 2018-01-11T00:00:00+01:00, grain: Day, precision: Exact, latent: false }))

[rosastern]

@Odile-deVismes can we get a few examples of expected/actual behaviours for the problematic cases that you identified?

[OdileDevismesSonos]

@rosastern I have just updated the description.