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context = id;
addTags = { building: 'yes' };
removeTags = ['area','natural','landuse'];

function changeTags() {
    var actions = [],
        entities = _.filter(_.map(context.selectedIDs(), context.entity), 
            function(entity) { return entity.geometry(context.graph()) === 'area'; });

    _.each(entities, function(entity) {

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id.surface().on('mousemove.custom', function() {
    function wrap(x, min, max) { var d = max - min; return ((x - min) % d + d) % d + min; }

    var ll = d3.select('#content')
        .selectAll('#latLng')
        .data([0]);

    ll.enter()
        .append('div')
        .attr('id', 'latLng')

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// https://github.com/twain47/Nominatim/blob/master/lib/ReverseGeocode.php
function whereami(z) {
    var endpoint = 'https://nominatim.openstreetmap.org/reverse?',
        loc = id.map().center();
    d3.json(endpoint +
        iD.util.qsString({format: 'json', addressdetails: 1, lat: loc[1], lon: loc[0], zoom: z }), 
        function(err, result) { console.info(result); }
    );
}

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##iD history transplant

###Browser 1

• Open "Help" and start walkthrough
• Open developer console
• Change "main frame/top frame" to "id-embed" if necessary, eg. running from openstreetmap.org
• Run this:

(function getHistory() {

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DECLARE @search VARCHAR(255)
SET @search = '[10.10.100.50]'

SELECT DISTINCT
    o.name AS Object_Name,
    o.type_desc
FROM
    sys.sql_modules m 
    INNER JOIN sys.objects o ON m.object_id = o.object_id
WHERE 

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iD.util.displayName = function(entity) { return entity.id; }

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obj = { 
  presets: {
    'aerialway/zip_line': {
      geometry: ["line"],
      fields: ["incline"],
      tags: { "aerialway": "zip_line" },
      name: "Zipline"
    }
  }
};