On Tue, 19 Feb 2019 at 23:16, Warin <61sundow...@gmail.com> wrote: > On 19/02/19 22:03, Paul Allen wrote: > > On Tue, 19 Feb 2019 at 03:48, Warin <61sundow...@gmail.com> wrote: > >> Nothing I could see on the wiki for this. So some guidance would be good. >> >> Units. >> > > I added a maxstay a few weeks ago and I found info about units at > https://wiki.openstreetmap.org/wiki/Key:maxstay > > Units are not explicitly defined, but there are several examples. Units > in those examples > are minutes, hours, and days. I expect that weeks, months and years would > also be > acceptable for long-stay parking. Maybe even decades and centuries, > should they be > needed. Seconds are too small to be practicable. > > No information on default units. >
True. But the examples show which units are permissible and how they should be specified. There are some numerical values in the data base without units ... from > those values I would guess hours, but they could be days. > Or minutes, depending on actual value. One place near me says waiting is limited to 90 minutes. But 90 days is close to 3 months. Could be either if units aren't given. As there is no documentation 'we' could make a decision. > > No information on abbreviations. > >From the examples, unit names are spelled out in full. So the choice is between: 1) Spelling units in full (as per the examples) and specifying which unit is the default. 2) Coming up with abbreviations and specifying which unit is the default. I'd go with 1). Firstly, somebody (like me) may have specified units that way already. Secondly, different languages may have different names for those units of time. We can agree to (mostly) use SI units for mass and length because those are applicable in much of the world and have standard abbreviations. Common time units like minute, hour and month probably have different abbreviations in different parts of the world. Less error prone if an editor drop-down has minutes/hours/days than m/h/d if "d" is the abbreviation for a period of 3600 seconds in some language. Thirdly, minutes and months (m and m). -- Paul
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