I have reworked the page as per your instructions, please let me know if it 
still needs more clarification.

https://wiki.openstreetmap.org/wiki/Proposed_features/landuse%3Dopen_defecation

Cheers

Bob

> On 13 Sep 2019, at 03:13, Joseph Eisenberg <joseph.eisenb...@gmail.com> wrote:
> 
> Thanks for working on this, Bob,
> 
> Check out the page "Proposal_process" and in particular
> Proposal_process#Creating_a_proposal_page to help improve the
> formatting and make sure you've included important information.
> 
> Please clarify exactly what should be mapped with this new tag. Is
> going to be added to whole villages, as suggested in the section about
> "open_defecation=yes?
> 
> "It would have its own sign and could be used as a node or area.
> Although it may be added to small villages to indicate if it is their
> primary source of human waste disposal."
> 
> This would not be a good idea, since it's not possible for mappers to
> confirm that every house or a majority of houses in a village lack
> latrines or toilet. But the rest of the page suggests that this tag is
> supposed to be applied to areas where there are visible signs, in
> other words, there's human feces exposed on the ground?
> 
> There are a couple of problems with the proposed subtags. It's not
> best practice to use abbreviations or uppercase letters in tags, so
> instead of "ODA_" it should be "open_defecation_" or
> "open_defecation:", if need.
> 
> "ODA_Radius_.." "ODA_area_size..." - The first two subtags are not
> needed - the area can be mapped instead, and this provides the shape
> and size just from the position of the nodes in the database.
> 
> "ODA_survey_date=" - there is already a tag for this, survey:date=* or
> source:date=* , but it is recommended to add such information to the
> changeset rather than to individual OSM objects.
> 
> "ODA_responsibility=" is unclear. What would this mean, and how would
> a local mapper in confirm this information?
> 
> "ODA_proposed_solution=" - Unfortunately, this is not appropriate for
> Openstreetmap. We map real, current features, not opinions, reviews or
> suggestions, because such information is too subjective for individual
> mappers to maintain.
> 
> "ODA_abandoned=yes/no" - generally features in Openstreetmap should be
> current, so if an area that was used for open defecation in the past
> has now been abandoned, and there are no signs "on the ground", then
> it should be removed from the database. Some mappers use a prefix
> "abandoned:" like "abandoned:landuse=open_defecation".
> 
> However, if the area is "disused" - not currently in use, but there
> are still signs that it was recently used, and perhaps it's still a
> health hazard because of the presence of decomposing human waste, this
> could be tagged with "disused=yes".
> 
> ODA_survey_hazardous materials_data_weblink= - I'm not sure what is
> intended by this tag. Perhaps the existing tag url=* would be
> sufficient?
> 
> (I've also left these comments on the Talk page of the proposal, so we
> can continue discussion there)
> 
> -Joseph Eisenberg
> 
>> On 9/12/19, Bob Kerr via Tagging <tagging@openstreetmap.org> wrote:
>> I have created a proposal page for landuse=open defecation.
>> 
>> https://wiki.openstreetmap.org/wiki/Proposed_features/landuse%3Dopen_defecation
>> 
>> Please review it, my wiki page editing skills have suffered from lack of use
>> so it could do with a little tidy if anyone wants to.
>> 
>> Please discuss your thoughts here. The most controversial area is I am using
>> the landuse tag rather than open_defication = yes. Please let me know which
>> you would prefer.
>> 
>> All the best
>> 
>> Bob
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