[Tilesathome] construction=yes causes black tiles

[Heiko Jacobs]

Ed Loach <ed at loach.me.uk> wrote:
> I'm not sure whether it is related,

partially...

> but one of the changes made to JOSM in the last 24 hours
> (rev 1327) had this note next to it:
> "remove construction=yes, this is not supported by existing
> renderers and therefore will lead to confusion"

On talk-de there is just a dispute on construction=yes
One Mapper uses this often, but a lot of applications routes or
render this as a normal road not under construction.

> I'm assuming this means from the presets, as I think
> you can still add your own keys manually.

yes

> In the case of Tiles at Home though, if it is causing a problem
> then it looks like it is trying to support it in some way.

I added a small "hack" to avoid wrong rendering of construction=yes
but rendering of highway=construction construction=... works better,
so this is the better way now...

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