<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto">The building tag is used to show what kind of building it is, not its usage. ”A building that was built as a church” and so on in the descriptions of the values.<div><br></div><div>This does not contradict your point as that speaks about usage.</div><div><br></div><div>For instance this is now a museum, but clearly for many years was used as a church: <a href="https://sv.m.wikipedia.org/wiki/Sankt_Ibbs_nya_kyrka">https://sv.m.wikipedia.org/wiki/Sankt_Ibbs_nya_kyrka</a></div><div><br></div><div>/Andreas</div><div><br><div id="AppleMailSignature">Skickat från min iPhone</div><div><br>28 jan. 2018 kl. 21:21 skrev Rafael Avila Coya <<a href="mailto:ravilacoya@gmail.com">ravilacoya@gmail.com</a>>:<br><br></div><blockquote type="cite"><div><span>Hi, Andreas:</span><br><span></span><br><span>I can't find what you say about buildings in the key:building wiki.</span><br><span></span><br><span>In any case, the life cycle wiki contradicts that:</span><br><span></span><br><span>The date namespace can be added to any tag to indicate a period of validity for the tag.</span><br><span></span><br><span> key:date-date = value</span><br><span> key:date--date = value</span><br><span> key:date- = value</span><br><span> key:-date = value</span><br><span></span><br><span>It says to any tag.</span><br><span></span><br><span>Which one should we follow then?</span><br><span></span><br><span>Cheers,</span><br><span></span><br><span>Rafael.</span><br><span></span><br><span>On 28/01/18 08:59, Andreas Vilén wrote:</span><br><blockquote type="cite"><span>”If a church was a church and is not a church anymore (it is a community centre, for example), it can't be building=church. Let's say the church was constructed in 1780 and ended as church in 1978, and now is a community centre. In that case it should be "building:1780-1978"="church", "amenity:1780-1978"="place_of_worship"”</span><br></blockquote><blockquote type="cite"><span>No, the wiki clearly states that the building tag is used for what the building was built as. A building built as a church will always be building=church no matter the usage.</span><br></blockquote><blockquote type="cite"><span><a href="https://wiki.openstreetmap.org/wiki/Key:building">https://wiki.openstreetmap.org/wiki/Key:building</a></span><br></blockquote><blockquote type="cite"><span>/Andreas</span><br></blockquote><blockquote type="cite"><span>Skickat från min iPhone</span><br></blockquote><blockquote type="cite"><span>28 jan. 2018 kl. 03:30 skrev Rafael Avila Coya <<a href="mailto:ravilacoya@gmail.com">ravilacoya@gmail.com</a> <<a href="mailto:ravilacoya@gmail.com">mailto:ravilacoya@gmail.com</a>>>:</span><br></blockquote></div></blockquote></div></body></html>