diff --git a/ape/hood.hoon b/ape/hood.hoon
index 479517163..9432d9d28 100644
--- a/ape/hood.hoon
+++ b/ape/hood.hoon
@@ -127,6 +127,7 @@
 ++  poke-kiln-overload        (wrap poke-overload):from-kiln
 ++  poke-kiln-unmount         (wrap poke-unmount):from-kiln
 ++  poke-kiln-unsync          (wrap poke-unsync):from-kiln
+++  poke-write-comment        (wrap poke-comment):from-write
 ++  poke-write-paste          (wrap poke-paste):from-write
 ++  poke-write-tree           (wrap poke-tree):from-write
 ++  poke-write-wipe           (wrap poke-wipe):from-write
diff --git a/lib/write.hoon b/lib/write.hoon
index 83013eed7..15278529b 100644
--- a/lib/write.hoon
+++ b/lib/write.hoon
@@ -48,6 +48,12 @@
   |=  [typ=?(%hoon %md %txt) txt=@t]  ^+  abet
   (poke--data [`typ /web/paste/(scot %da now)] %mime / (taco txt))
 ::
+++  poke-comment
+  |=  [pax=path txt=@t]  ^+  abet
+  =.  pax  [%web (welp pax /(scot %da now))]
+  =.  txt  (rap 3 (scot %p src) ': ' txt ~)
+  (poke--data [`%comment-md pax] %mime / (taco txt))
+::
 ++  poke--data
   |=  [[ext=(unit ,@t) pax=path] dat=data]  ^+  abet
   ?~  ext  $(ext [~ -.dat])
@@ -59,8 +65,8 @@
 ::
 ++  made
   |=  [pax=wire @ res=gage]  ^+  abet
-  ?.  =(our src)
-    ~|(foreign-write/[our=our src=src] !!)
+  :: ?.  =(our src)
+  ::   ~|(foreign-write/[our=our src=src] !!)
   ?+  -.res  ~|(gage/-.res !!)
     %|  (mean p.res)
     %&  =-  abet:(emit %info write/~ our -)
diff --git a/mar/comment-md.hoon b/mar/comment-md.hoon
new file mode 100644
index 000000000..820866bf3
--- /dev/null
+++ b/mar/comment-md.hoon
@@ -0,0 +1,6 @@
+::
+::::  /hoon/core/md/pro
+  ::
+/?  314
+::
+//  /===/mar/md  :: alias
diff --git a/mar/write/comment.hoon b/mar/write/comment.hoon
new file mode 100644
index 000000000..e1592f0d1
--- /dev/null
+++ b/mar/write/comment.hoon
@@ -0,0 +1,12 @@
+::
+::::  /hoon/core/save/mar
+  ::
+!:
+|_  [pax=path txt=@t]
+++  grab
+  |%
+  ++  noun  ,[path @t]
+  ++  json  
+    (corl need =>(jo (ot pax/(su fel:stab) txt/so ~)))
+  --
+--
diff --git a/ren/tree/combine.hoon b/ren/tree/combine.hoon
index 49676d178..e463fb97c 100644
--- a/ren/tree/combine.hoon
+++ b/ren/tree/combine.hoon
@@ -2,11 +2,20 @@
 /=    mime    /mime/
 /=    body    /tree-elem/
 /=    sect    /tree-index/
-/=    meta    /|(/front/ /~[~])
 /=    snip    /&snip&elem&/tree-elem/
+/=    meta    /^  (map span cord)  /|(/front/ /~[~])
+/=    comt    /^  (list (pair time manx))
+              /@    /&elem&md&mime&/comment-md/
 !:
 ^-    tree-include
 =+  rj=react-to-json:react
-=+  fj=|=(atr=(map span span) [%o (~(run by atr) |=(a=span s/a))])
 =+  ij=(map-to-json:tree |=(a=path (crip (spud a))) |=(a=marl [%a (turn a rj)]))
-[mime (rj body) (rj /h1 hed.snip) (rj /div tal.snip) (fj meta) (ij sect)]
+=+  cj=|=([a=time b=manx] (jobe time/(jode a) body/(rj b) ~))
+:*  mime
+    (rj body)
+    (rj /h1 hed.snip)   :: head
+    (rj /div tal.snip)  :: snip
+    [%o (~(run by meta) |=(a=span s/a))]
+    (ij sect)
+    [%a (turn (sort comt lor) cj)]
+==
diff --git a/ren/tree/hymn.hoon b/ren/tree/hymn.hoon
index 4deb12433..150b3c859 100644
--- a/ren/tree/hymn.hoon
+++ b/ren/tree/hymn.hoon
@@ -3,8 +3,11 @@
 /-    tree-include
 /=    dat    /%  /tree-json/ :: default include
 /=    tub    /$  |=([bem=beam *] (flop s.bem))
-/=    aut    /;  |=(gas=epic (~(has ju aut.ced.gas) %$ (scot %p p.bem.gas)))
-             /$    fuel
+/=    aut
+  /$  %+  cork  fuel                                    :: after parsing params,
+      |=  gas=epic  ^-  ?                               :: check that the fcgi
+      %+  lien  (~(tap in (~(get ju aut.ced.gas) %$)))  :: has an identity
+      |=(a=span !=(%pawn (slav %p a)))                  :: which isn't a comet
 ::
 !:
 ::::
@@ -31,8 +34,8 @@
     ;script(type "text/javascript", src "/tree/main.js");
     ;script(type "text/javascript", src "//cdnjs.cloudflare.com/ajax/libs/".
       "codemirror/4.3.0/mode/markdown/markdown.min.js");
-    ;*  ?.  aut  ~
-        [;script(type "text/javascript", src "/~/as/own/~/at/lib/js/urb.js");]~
+    ;script(type "text/javascript", src "{?.(aut "" "/~~")}".
+                                        "/~/at/lib/js/urb.js");
   ==
   ;body
     ;script(type "text/javascript"): window.tree = {(pojo (joba %data dat))}
@@ -43,4 +46,4 @@
       ==
     ==
   ==
-==
\ No newline at end of file
+==
diff --git a/ren/tree/json.hoon b/ren/tree/json.hoon
index f1df613e7..a2a4666e8 100644
--- a/ren/tree/json.hoon
+++ b/ren/tree/json.hoon
@@ -18,9 +18,11 @@
       [%name %t]
       [%path %t]
       [%spur %t]
+  ::
+      [%comt %j]
+      [%head %r]
       [%sect %j]
       [%snip %r]
-      [%head %r]
       [%body %r]
       [%meta %j]
       [%mime %m]
@@ -52,6 +54,7 @@
     %name  (from-type +.a ?^(s.bem i.s.bem q.bem))
     %path  (from-type +.a (crip (spud (flop s.bem))))
     %spur  (from-type +.a (crip (spud s.bem)))
+    %comt  (from-type +.a comt.dat)
     %head  (from-type +.a head.dat)
     %snip  (from-type +.a snip.dat)
     %sect  (from-type +.a sect.dat)
@@ -69,7 +72,8 @@
   ::
 [tree .]
 ^-  json
+=+  default='spur.t_mime.m_body.r_comt.j_kids.name.t'
 =+  ^=  schem
-    =+  seh=(fall (~(get by qix.gas) 'q') 'spur.t_mime.m_body.r_kids.name.t')
+    =+  seh=(fall (~(get by qix.gas) 'q') default)
     ~|(bad-noun/seh ;;(schema (rash seh read-schem)))
 (from-queries bem.gas(s but.gas) (to-queries schem))
diff --git a/sur/tree-include.hoon b/sur/tree-include.hoon
index e8733ef6d..b0330376d 100644
--- a/sur/tree-include.hoon
+++ b/sur/tree-include.hoon
@@ -5,4 +5,5 @@ $:  mime=mime
     snip=json
     meta=json
     sect=json
+    comt=json
 ==
diff --git a/web/lib/js/urb.js b/web/lib/js/urb.js
index 9cf5d2004..948831446 100644
--- a/web/lib/js/urb.js
+++ b/web/lib/js/urb.js
@@ -282,14 +282,12 @@ window.urb.util = {
     if(spur === '/') spur = ''
     pathname = pathname || window.location.pathname
     if(pathname[0] == '/') pathname = pathname.slice(1)
-    if(pathname[0] != '~' && pathname[0] != '='){
-      return spur
-    }
     pathname = pathname.split("/")
     
     var pref, pred, prec, base = "" 
-    while(base += "/"+(pref = pathname.shift()), pathname.length>0){
-      if(pref[0] !== '~') break;
+    while(pref = pathname.shift(), pathname.length>0){
+      if(pref[0] != '~' && pref[0] != '=') break;
+      base += "/"+pref;
       if(pref === "~~") continue;
       base += "/"+(pred = pathname.shift())
       if(/[a-z\-]+/.test(pref.slice(1))){
diff --git a/web/tree/main.js b/web/tree/main.js
index aa3d533f0..7b957e570 100644
--- a/web/tree/main.js
+++ b/web/tree/main.js
@@ -43,6 +43,9 @@ module.exports = {
       components: components
     });
   },
+  addComment: function(path, text) {
+    return TreePersistence.put("write-comment", path, text);
+  },
   setCurr: function(path) {
     return TreeDispatcher.handleViewAction({
       type: "setCurr",
@@ -73,6 +76,7 @@ module.exports = {
 };
 
 
+
 },{"../dispatcher/Dispatcher.coffee":18,"../persistence/TreePersistence.coffee":20}],2:[function(require,module,exports){
 var BodyComponent, Dpad, Nav, Sibs, TreeActions, TreeStore, a, button, clas, div, li, query, reactify, recl, ref, rend, ul, util;
 
@@ -338,6 +342,7 @@ module.exports = query({
 }));
 
 
+
 },{"../actions/TreeActions.coffee":1,"../stores/TreeStore.coffee":21,"../utils/util.coffee":23,"./Async.coffee":3,"./BodyComponent.coffee":4,"./DpadComponent.coffee":7,"./Reactify.coffee":13,"./SibsComponent.coffee":16,"classnames":24}],3:[function(require,module,exports){
 var TreeActions, TreeStore, _load, code, div, recl, ref, span;
 
@@ -448,22 +453,33 @@ module.exports = function(queries, Child, load) {
 };
 
 
+
 },{"../actions/TreeActions.coffee":1,"../stores/TreeStore.coffee":21,"./LoadComponent.coffee":11}],4:[function(require,module,exports){
-var a, clas, div, extras, img, p, query, reactify, recl, ref, rele, util;
+var Comment, TreeActions, a, clas, div, extras, img, input, load, p, query, reactify, recl, ref, rele, util;
 
 clas = require('classnames');
 
+load = require('./LoadComponent.coffee');
+
 query = require('./Async.coffee');
 
 reactify = require('./Reactify.coffee');
 
+TreeActions = require('../actions/TreeActions.coffee');
+
 util = require('../utils/util.coffee');
 
 recl = React.createClass;
 
 rele = React.createElement;
 
-ref = React.DOM, div = ref.div, p = ref.p, img = ref.img, a = ref.a;
+ref = React.DOM, div = ref.div, p = ref.p, img = ref.img, a = ref.a, input = ref.input;
+
+Comment = function(arg) {
+  var body, time;
+  time = arg.time, body = arg.body;
+  return div({}, "" + (new Date(time)), reactify(body));
+};
 
 extras = {
   spam: recl({
@@ -523,17 +539,46 @@ extras = {
           if (next) {
             return div({
               className: "link-next"
-            }, [
-              a({
-                href: this.props.path + "/" + next.name
-              }, "Next: " + next.meta.title)
-            ]);
+            }, a({
+              href: this.props.path + "/" + next.name
+            }, "Next: " + next.meta.title));
           }
         }
       }
       return div({}, "");
     }
   })),
+  comments: query({
+    comt: 'j',
+    path: 't'
+  }, recl({
+    displayName: "Comments",
+    getInitialState: function() {
+      return {
+        loading: false
+      };
+    },
+    onKeyDown: function(e) {
+      if ("Enter" === e.key) {
+        this.setState({
+          loading: true
+        });
+        return TreeActions.addComment(this.props.path, this.refs["in"].value);
+      }
+    },
+    render: function() {
+      return div({}, "Add comment:", (this.state.loading ? rele(load) : input({
+        className: "comment",
+        type: "text",
+        ref: "in",
+        onKeyDown: this.onKeyDown
+      })), this.props.comt.map(function(props, key) {
+        return rele(Comment, _.extend({
+          key: key
+        }, props));
+      }));
+    }
+  })),
   footer: recl({
     displayName: "Footer",
     render: function() {
@@ -576,13 +621,14 @@ module.exports = query({
       }), reactify(this.props.body), extra('next', {
         dataPath: this.props.sein,
         curr: this.props.name
-      }), extra('footer'))
+      }), extra('comments'), extra('footer'))
     ]);
   }
 }));
 
 
-},{"../utils/util.coffee":23,"./Async.coffee":3,"./Reactify.coffee":13,"classnames":24}],5:[function(require,module,exports){
+
+},{"../actions/TreeActions.coffee":1,"../utils/util.coffee":23,"./Async.coffee":3,"./LoadComponent.coffee":11,"./Reactify.coffee":13,"classnames":24}],5:[function(require,module,exports){
 var div, recl, ref, textarea;
 
 recl = React.createClass;
@@ -605,6 +651,7 @@ module.exports = recl({
 });
 
 
+
 },{}],6:[function(require,module,exports){
 var div, recl;
 
@@ -629,6 +676,7 @@ module.exports = {
 };
 
 
+
 },{"./CodeMirror.coffee":5,"./EmailComponent.coffee":8,"./KidsComponent.coffee":9,"./ListComponent.coffee":10,"./ModuleComponent.coffee":12,"./ScriptComponent.coffee":14,"./SearchComponent.coffee":15,"./TocComponent.coffee":17}],7:[function(require,module,exports){
 var a, div, recl, ref, util;
 
@@ -682,11 +730,12 @@ module.exports = React.createFactory(recl({
     return div({
       className: 'dpad',
       key: 'dpad'
-    }, [this.renderUp(), this.renderArrows()]);
+    }, this.renderUp(), this.renderArrows());
   }
 }));
 
 
+
 },{"../utils/util.coffee":23}],8:[function(require,module,exports){
 var button, div, input, p, reactify, recl, ref;
 
@@ -768,6 +817,7 @@ module.exports = recl({
 });
 
 
+
 },{"./Reactify.coffee":13}],9:[function(require,module,exports){
 var a, div, hr, li, query, reactify, recl, ref, ul;
 
@@ -849,6 +899,7 @@ module.exports = query({
 }));
 
 
+
 },{"./Async.coffee":3,"./Reactify.coffee":13}],10:[function(require,module,exports){
 var a, clas, div, h1, li, pre, query, reactify, recl, ref, span, ul, util;
 
@@ -1006,6 +1057,7 @@ module.exports = query({
 }));
 
 
+
 },{"../utils/util.coffee":23,"./Async.coffee":3,"./Reactify.coffee":13,"classnames":24}],11:[function(require,module,exports){
 var div, recl, ref, span;
 
@@ -1044,6 +1096,7 @@ module.exports = recl({
 });
 
 
+
 },{}],12:[function(require,module,exports){
 var TreeActions, div, recl;
 
@@ -1078,6 +1131,7 @@ module.exports = recl({
 });
 
 
+
 },{"../actions/TreeActions.coffee":1}],13:[function(require,module,exports){
 var TreeStore, Virtual, div, load, reactify, recl, ref, rele, span, walk;
 
@@ -1148,7 +1202,7 @@ Virtual = recl({
       gn = arg.gn, ga = arg.ga, c = arg.c;
       return rele((ref1 = components[gn]) != null ? ref1 : gn, _.extend({
         key: key
-      }, ga), c);
+      }, ga), c.length ? c : void 0);
     });
   }
 });
@@ -1166,6 +1220,7 @@ module.exports = _.extend(reactify, {
 });
 
 
+
 },{"../stores/TreeStore.coffee":21,"./LoadComponent.coffee":11}],14:[function(require,module,exports){
 var recl, rele;
 
@@ -1192,6 +1247,7 @@ module.exports = recl({
 });
 
 
+
 },{}],15:[function(require,module,exports){
 var a, div, input, query, reactify, recl, ref,
   slice = [].slice;
@@ -1330,6 +1386,7 @@ module.exports = query({
 }));
 
 
+
 },{"./Async.coffee":3,"./Reactify.coffee":13}],16:[function(require,module,exports){
 var a, clas, li, reactify, recl, ref, ul, util;
 
@@ -1391,6 +1448,7 @@ module.exports = React.createFactory(recl({
 }));
 
 
+
 },{"../utils/util.coffee":23,"./Reactify.coffee":13,"classnames":24}],17:[function(require,module,exports){
 var div, query, reactify, recl,
   slice = [].slice;
@@ -1519,6 +1577,7 @@ module.exports = query({
 }));
 
 
+
 },{"./Async.coffee":3,"./Reactify.coffee":13}],18:[function(require,module,exports){
 module.exports = _.extend(new Flux.Dispatcher(), {
   handleServerAction: function(action) {
@@ -1536,6 +1595,7 @@ module.exports = _.extend(new Flux.Dispatcher(), {
 });
 
 
+
 },{}],19:[function(require,module,exports){
 var rend;
 
@@ -1557,6 +1617,7 @@ $(function() {
 });
 
 
+
 },{"./actions/TreeActions.coffee":1,"./components/AnchorComponent.coffee":2,"./components/BodyComponent.coffee":4,"./components/Components.coffee":6,"./utils/scroll.coffee":22,"./utils/util.coffee":23}],20:[function(require,module,exports){
 var dedup, util;
 
@@ -1575,12 +1636,22 @@ module.exports = {
       return;
     }
     dedup[url] = true;
-    return $.get(url, {}, function(data) {
+    return $.get(url, {}, function(data, status, xhr) {
+      urb.waspLoadedXHR.call(xhr);
       if (cb) {
         return cb(null, data);
       }
     });
   },
+  put: function(mark, pax, txt) {
+    return urb.send({
+      pax: pax,
+      txt: txt
+    }, {
+      mark: mark,
+      appl: 'hood'
+    });
+  },
   encode: function(obj) {
     var _encode, delim;
     delim = function(n) {
@@ -1617,6 +1688,7 @@ module.exports = {
 };
 
 
+
 },{"../utils/util.coffee":23}],21:[function(require,module,exports){
 var EventEmitter, MessageDispatcher, QUERIES, TreeStore, _curr, _data, _nav, _tree, _virt, clog;
 
@@ -1641,7 +1713,8 @@ QUERIES = {
   head: 'r',
   snip: 'r',
   sect: 'j',
-  meta: 'j'
+  meta: 'j',
+  comt: 'j'
 };
 
 TreeStore = _.extend(new EventEmitter, {
@@ -1881,6 +1954,7 @@ TreeStore.dispatchToken = MessageDispatcher.register(function(p) {
 module.exports = TreeStore;
 
 
+
 },{"../dispatcher/Dispatcher.coffee":18,"events":25}],22:[function(require,module,exports){
 var scroll;
 
@@ -1973,6 +2047,7 @@ scroll.init();
 module.exports = scroll;
 
 
+
 },{}],23:[function(require,module,exports){
 var _basepath;
 
@@ -2022,6 +2097,7 @@ module.exports = {
 };
 
 
+
 },{}],24:[function(require,module,exports){
 /*!
   Copyright (c) 2016 Jed Watson.
@@ -2156,11 +2232,18 @@ EventEmitter.prototype.emit = function(type) {
         break;
       // slower
       default:
-        args = Array.prototype.slice.call(arguments, 1);
+        len = arguments.length;
+        args = new Array(len - 1);
+        for (i = 1; i < len; i++)
+          args[i - 1] = arguments[i];
         handler.apply(this, args);
     }
   } else if (isObject(handler)) {
-    args = Array.prototype.slice.call(arguments, 1);
+    len = arguments.length;
+    args = new Array(len - 1);
+    for (i = 1; i < len; i++)
+      args[i - 1] = arguments[i];
+
     listeners = handler.slice();
     len = listeners.length;
     for (i = 0; i < len; i++)
@@ -2198,6 +2281,7 @@ EventEmitter.prototype.addListener = function(type, listener) {
 
   // Check for listener leak
   if (isObject(this._events[type]) && !this._events[type].warned) {
+    var m;
     if (!isUndefined(this._maxListeners)) {
       m = this._maxListeners;
     } else {
@@ -2319,7 +2403,7 @@ EventEmitter.prototype.removeAllListeners = function(type) {
 
   if (isFunction(listeners)) {
     this.removeListener(type, listeners);
-  } else if (listeners) {
+  } else {
     // LIFO order
     while (listeners.length)
       this.removeListener(type, listeners[listeners.length - 1]);
@@ -2340,20 +2424,15 @@ EventEmitter.prototype.listeners = function(type) {
   return ret;
 };
 
-EventEmitter.prototype.listenerCount = function(type) {
-  if (this._events) {
-    var evlistener = this._events[type];
-
-    if (isFunction(evlistener))
-      return 1;
-    else if (evlistener)
-      return evlistener.length;
-  }
-  return 0;
-};
-
 EventEmitter.listenerCount = function(emitter, type) {
-  return emitter.listenerCount(type);
+  var ret;
+  if (!emitter._events || !emitter._events[type])
+    ret = 0;
+  else if (isFunction(emitter._events[type]))
+    ret = 1;
+  else
+    ret = emitter._events[type].length;
+  return ret;
 };
 
 function isFunction(arg) {