diff --git a/js/id/graph/entity.js b/js/id/graph/entity.js
index bce9675ee..bd402552e 100644
--- a/js/id/graph/entity.js
+++ b/js/id/graph/entity.js
@@ -9,22 +9,22 @@ iD.Entity = function(attrs) {
     return (new iD.Entity()).initialize(arguments);
 };
 
-iD.Entity.id = function (type) {
+iD.Entity.id = function(type) {
     return iD.Entity.id.fromOSM(type, iD.Entity.id.next[type]--);
 };
 
 iD.Entity.id.next = {node: -1, way: -1, relation: -1};
 
-iD.Entity.id.fromOSM = function (type, id) {
+iD.Entity.id.fromOSM = function(type, id) {
     return type[0] + id;
 };
 
-iD.Entity.id.toOSM = function (id) {
+iD.Entity.id.toOSM = function(id) {
     return id.slice(1);
 };
 
 // A function suitable for use as the second argument to d3.selection#data().
-iD.Entity.key = function (entity) {
+iD.Entity.key = function(entity) {
     return entity.id;
 };
 
@@ -84,7 +84,7 @@ iD.Entity.prototype = {
     },
 
     hasInterestingTags: function() {
-        return _.keys(this.tags).some(function (key) {
+        return _.keys(this.tags).some(function(key) {
             return key != "attribution" &&
                 key != "created_by" &&
                 key != "source" &&
@@ -93,6 +93,23 @@ iD.Entity.prototype = {
         });
     },
 
+    deprecatedTags: function() {
+        var tags = _.pairs(this.tags);
+        var deprecated = {};
+
+        iD.data.deprecated.forEach(function(d) {
+            var match = _.pairs(d.old)[0];
+            tags.forEach(function(t) {
+                if (t[0] == match[0] &&
+                    (t[1] == match[1] || match[1] == '*')) {
+                    deprecated[t[0]] = t[1];
+                }
+            });
+        });
+
+        return deprecated;
+    },
+
     friendlyName: function() {
         // Generate a string such as 'river' or 'Fred's House' for an entity.
         if (!this.tags || !Object.keys(this.tags).length) { return ''; }
diff --git a/js/id/ui/save.js b/js/id/ui/save.js
index fc593c463..4e3bf883c 100644
--- a/js/id/ui/save.js
+++ b/js/id/ui/save.js
@@ -17,6 +17,7 @@ iD.ui.save = function(context) {
 
                 d3.select('.shaded').remove();
                 var l = iD.ui.loading(t('uploading_changes'), true);
+
                 connection.putChangeset(history.changes(),
                     e.comment,
                     history.imagery_used(), function(err, changeset_id) {
diff --git a/js/id/util.js b/js/id/util.js
index 645d15363..9ebd4d761 100644
--- a/js/id/util.js
+++ b/js/id/util.js
@@ -8,8 +8,8 @@ iD.util.trueObj = function(arr) {
 
 iD.util.tagText = function(entity) {
     return d3.entries(entity.tags).map(function(e) {
-        return e.key + ': ' + e.value;
-    }).join('\n');
+        return e.key + '=' + e.value;
+    }).join(', ');
 };
 
 iD.util.stringQs = function(str) {
diff --git a/js/id/validate.js b/js/id/validate.js
index 6329b626f..dacff7889 100644
--- a/js/id/validate.js
+++ b/js/id/validate.js
@@ -29,6 +29,14 @@ iD.validate = function(changes, graph) {
             warnings.push({ message: t('validations.untagged_line'), entity: change });
         }
 
+        var deprecatedTags = change.deprecatedTags();
+        if (!_.isEmpty(deprecatedTags)) {
+            warnings.push({
+                message: t('validations.deprecated_tags', {
+                    tags: iD.util.tagText({ tags: deprecatedTags })
+                }), entity: change });
+        }
+
         if (change.geometry(graph) === 'area' && _.isEmpty(change.tags)) {
             warnings.push({ message: t('validations.untagged_area'), entity: change });
         }
diff --git a/locale/en.js b/locale/en.js
index 0fa3c1ea2..8f00590c6 100644
--- a/locale/en.js
+++ b/locale/en.js
@@ -127,7 +127,8 @@ locale.en = {
         untagged_point: "Untagged point which is not part of a line or area",
         untagged_line: "Untagged line",
         untagged_area: "Untagged area",
-        tag_suggests_area: "The tag {tag} suggests line should be area, but it is not an area"
+        tag_suggests_area: "The tag {tag} suggests line should be area, but it is not an area",
+        deprecated_tags: "Deprecated tags: {tags}"
     },
 
     "save": "Save",
diff --git a/test/spec/graph/entity.js b/test/spec/graph/entity.js
index f2ac85f17..f0b7e0b19 100644
--- a/test/spec/graph/entity.js
+++ b/test/spec/graph/entity.js
@@ -114,6 +114,16 @@ describe('iD.Entity', function () {
         });
     });
 
+   describe("#hasDeprecatedTags", function () {
+        it("returns false if entity has no tags", function () {
+            expect(iD.Entity().deprecatedTags()).to.eql({});
+        });
+
+        it("returns true if entity has deprecated tags", function () {
+            expect(iD.Entity({ tags: { barrier: 'wire_fence' } }).deprecatedTags()).to.eql({ barrier: 'wire_fence' });
+        });
+   });
+
     describe("#hasInterestingTags", function () {
         it("returns false if the entity has no tags", function () {
             expect(iD.Entity().hasInterestingTags()).to.equal(false);
diff --git a/test/spec/util.js b/test/spec/util.js
index de3fab735..d866a7b39 100644
--- a/test/spec/util.js
+++ b/test/spec/util.js
@@ -6,8 +6,8 @@ describe('iD.Util', function() {
 
     it('.tagText', function() {
         expect(iD.util.tagText({})).to.eql('');
-        expect(iD.util.tagText({tags:{foo:'bar'}})).to.eql('foo: bar');
-        expect(iD.util.tagText({tags:{foo:'bar',two:'three'}})).to.eql('foo: bar\ntwo: three');
+        expect(iD.util.tagText({tags:{foo:'bar'}})).to.eql('foo=bar');
+        expect(iD.util.tagText({tags:{foo:'bar',two:'three'}})).to.eql('foo=bar, two=three');
     });
 
     it('.stringQs', function() {