diff --git a/client/about.coffee b/client/about.coffee
index de9e341b..8f38c985 100644
--- a/client/about.coffee
+++ b/client/about.coffee
@@ -17,25 +17,23 @@ module.exports = ->
   """
   buttons = []
   if D.clipboardCopy then buttons.push text: 'Copy', click: -> D.clipboardCopy $('textarea', @).val(), 'text'; return
-  buttons.push text: 'Close', click: -> $(@).dialog 'close'
+  buttons.push text: 'Close', click: -> $(@).dialog 'close'; return
   $("""
-    <div class="about">
-      <div class="logo">
-        <div class="contact-info">
+    <div class=about>
+      <div class=logo>
+        <div class=contact-info>
           <span title="Dyalog's UK phone number">+44 (0)1256 830030</span><br>
           <a href="mailto:support@dyalog.com?subject=RIDE&body=#{escape '\n--\n' + info}"
              title="Populate an email draft with the information below">support@dyalog.com</a><br>
-          <a href="http://www.dyalog.com/" target="_blank"
+          <a href="http://www.dyalog.com/" target=_blank
              title="Open Dyalog's website in a new window">www.dyalog.com</a>
         </div>
       </div>
-      <div class="textarea-wrapper">
-        <textarea readonly wrap="off"></textarea>
-      </div>
+      <div class=textarea-wrapper><textarea readonly wrap=off></textarea></div>
     </div>
   """)
     .dialog
       modal: 1, title: 'About', width: 520, height: 410, buttons: buttons
-      open: -> $(@).find('textarea').focus()
+      open: -> $(@).find('textarea').focus(); return
     .find('textarea').val(info).select()
   return
diff --git a/client/connect.coffee b/client/connect.coffee
index 60fbe80c..112eac99 100644
--- a/client/connect.coffee
+++ b/client/connect.coffee
@@ -24,45 +24,45 @@ ipAddresses = [] # of the proxy.  Used in the "Waiting for connections" dialogue
 
 module.exports = (opts) ->
   $('body').html """
-    <fieldset id="connect-fieldset">
+    <fieldset id=connect-fieldset>
       <legend>Connect to an interpreter</legend>
-      <div id="fav-buttons">
-        <a id="about" href="#">About</a>
-        <a href="#" id="fav-new" accessKey="n"><u>N</u>ew</a>
-        <a href="#" id="fav-delete">Delete</a>
+      <div id=fav-buttons>
+        <a id=about href=#>About</a>
+        <a href=# id=fav-new accessKey=n><u>N</u>ew</a>
+        <a href=# id=fav-delete>Delete</a>
       </div>
-      <select multiple id="fav-list"></select>
-      <table id="fav-details">
+      <select multiple id=fav-list></select>
+      <table id=fav-details>
         <tr>
           <td><u>A</u>ddress:</td>
           <td>
-            <input accessKey="a" id="fav-host" class="text-field" value=""> :
-            <input id="fav-port" class="text-field" size="5" value="#{DEFAULT_PORT}">
+            <input accessKey=a id=fav-host class=text-field value=""> :
+            <input id=fav-port class=text-field size=5 value=#{DEFAULT_PORT}>
           </td>
         </tr>
-        <tr><td>Na<u>m</u>e:</td><td><input accessKey="m" id="fav-name" class="text-field"></td></tr>
+        <tr><td>Na<u>m</u>e:</td><td><input accessKey=m id=fav-name class=text-field></td></tr>
         <tr>
           <td></td>
           <td>
-            <a href="#" id="fav-connect" accessKey="o">C<u>o</u>nnect</a>
-            <a href="#" id="fav-save"    accessKey="s"><u>S</u>ave</a>
-            <a href="#" id="fav-cancel"  accessKey="c"><u>C</u>ancel</a>
+            <a href=# id=fav-connect accessKey=o>C<u>o</u>nnect</a>
+            <a href=# id=fav-save    accessKey=s><u>S</u>ave</a>
+            <a href=# id=fav-cancel  accessKey=c><u>C</u>ancel</a>
           </td>
         </tr>
       </table>
     </fieldset>
-    <fieldset id="spawnSection" style="display:none">
+    <fieldset id=spawnSection style=display:none>
       <legend>Spawn an interpreter</legend>
       <p>
-        <a href="#" id="spawn" accessKey="w">Spa<u>w</u>n</a><br>
-        <span id="spawn-status"></span>
+        <a href=# id=spawn accessKey=w>Spa<u>w</u>n</a><br>
+        <span id=spawn-status></span>
       </p>
     </fieldset>
     <fieldset>
       <legend>Listen for connections from interpreter </legend>
       <p>
-        <label>Port <input id="listen-port" class="text-field" value="#{DEFAULT_PORT}" size="5"></label>
-        <a href="#" id="listen" accessKey="l"><u>L</u>isten</a>
+        <label>Port <input id=listen-port class=text-field value=#{DEFAULT_PORT} size=5></label>
+        <a href=# id=listen accessKey=l><u>L</u>isten</a>
       </p>
     </fieldset>
   """
@@ -91,7 +91,7 @@ module.exports = (opts) ->
     if !/^[a-z0-9\.\-:]+$/i.test host then $.alert 'Invalid host', 'Error', -> $host.focus(); return
     else if !(0 < port < 0xffff) then $.alert 'Invalid port', 'Error', -> $port.focus(); return
     else
-      $connectDialog = $ '<div class="connect-dialog"><div class="visual-distraction"></div></div>'
+      $connectDialog = $ '<div class=connect-dialog><div class=visual-distraction></div></div>'
         .dialog modal: 1, width: 350, title: 'Connecting...', buttons: Cancel: -> $(@).dialog 'close'; false
       D.socket.emit '*connect', {host, port}
     false
@@ -129,13 +129,13 @@ module.exports = (opts) ->
     else
       D.socket.emit '*listen', {port}
       $listenDialog = $ """
-        <div class='listen'>
-          <div class="visual-distraction"></div>
+        <div class=listen>
+          <div class=visual-distraction></div>
           Please start the remote interpreter with<br>
           #{
             (
               for host in (if proxyInfo.ipAddresses?.length then proxyInfo.ipAddresses else ['host'])
-                "<div class='tt'>RIDE_INIT='CONNECT:#{host}:#{port}'</div>"
+                "<div class=tt>RIDE_INIT='CONNECT:#{host}:#{port}'</div>"
             ).join 'or'
           }
           in its environment, so it connects here.
diff --git a/client/ide.coffee b/client/ide.coffee
index 8318aeff..100b10f2 100644
--- a/client/ide.coffee
+++ b/client/ide.coffee
@@ -13,16 +13,16 @@ class @IDE
   constructor: ->
     ide = @
     $('body').html @$ide = $ """
-      <div class="ide">
-        <div class="lbar ui-layout-north" style="display:none">
-          <a class="lbar-prefs" title="Preferences" href="#"></a>
+      <div class=ide>
+        <div class="lbar ui-layout-north" style=display:none>
+          <a class=lbar-prefs title=Preferences href=#></a>
           #{D.lbarHTML}
         </div>
-        <div class="lbar-tip" style="display:none"><div class="lbar-tip-desc"></div><pre class="lbar-tip-text"></pre></div>
-        <div class="lbar-tip-triangle" style="display:none"></div>
-        <div class="ui-layout-center"></div>
-        <div class="ui-layout-east" ><ul></ul></div>
-        <div class="ui-layout-south"><ul></ul></div>
+        <div class=lbar-tip style=display:none><div class=lbar-tip-desc></div><pre class=lbar-tip-text></pre></div>
+        <div class=lbar-tip-triangle style=display:none></div>
+        <div class=ui-layout-center></div>
+        <div class=ui-layout-east ><ul></ul></div>
+        <div class=ui-layout-south><ul></ul></div>
       </div>
     """
 
@@ -138,7 +138,7 @@ class @IDE
     # demo mode
     demoLines = []; demoIndex = -1
     demoLoad = ->
-      $('<input type="file" style="display:none">').appendTo('body').trigger('click').change ->
+      $('<input type=file style=display:none>').appendTo('body').trigger('click').change ->
         if @value then D.readFile @value, 'utf8', (err, s) ->
           if err then console?.error? err; $.alert 'Cannot load demo file'
           else demoLines = s.replace(/^[\ufeff\ufffe]/, '').split /\r?\n/; demoIndex = -1
@@ -271,9 +271,9 @@ class @IDE
   openWindow: (ee) -> # "ee" for EditableEntity
     @layout.open dir = if ee.debugger then 'south' else 'east'
     w = ee.token
-    $("<li id='wintab#{w}'><a href='#win#{w}'></a></li>").appendTo(".ui-layout-#{dir} ul")
+    $("<li id=wintab#{w}><a href=#win#{w}></a></li>").appendTo(".ui-layout-#{dir} ul")
       .find('a').text(ee.name).click (e) => e.which == 2 && @wins[w].EP(); return # middle click
-    $tabContent = $("<div class='win' id='win#{w}'></div>").appendTo ".ui-layout-#{dir}"
+    $tabContent = $("<div class=win id=win#{w}></div>").appendTo ".ui-layout-#{dir}"
     @wins[w] = new Editor $tabContent,
       id: w, name: ee.name, debugger: ee.debugger, emit: @emit.bind(@)
       weakInterrupt: @WI.bind(@), openInExternalEditor: D.openInExternalEditor
diff --git a/client/init.coffee b/client/init.coffee
index 6f8d027d..5f12be79 100644
--- a/client/init.coffee
+++ b/client/init.coffee
@@ -34,7 +34,7 @@ $ ->
     [_, k, v] = /^([^=]*)=?(.*)$/.exec kv; urlParams[unescape(k or '')] = unescape(v or '')
   if D.floating && (win = urlParams.win)?
     wins = D.wins = opener.D.wins
-    $('body').addClass('floating-window').html('<div class="ui-layout-center"></div>').layout
+    $('body').addClass('floating-window').html('<div class=ui-layout-center></div>').layout
       defaults: enableCursorHotkey: 0
       center: onresize: -> ed?.updateSize(); return
       fxName: ''
diff --git a/client/prefs-ui-keyboard.coffee b/client/prefs-ui-keyboard.coffee
index 0ec9f7ab..4fd9369d 100644
--- a/client/prefs-ui-keyboard.coffee
+++ b/client/prefs-ui-keyboard.coffee
@@ -54,26 +54,26 @@ layouts = # indexed by scancode; see http://www.abreojosensamblador.net/Producto
 @init = ($e) ->
   specialKeys = 15: '⟵', 16: '↹', 30: 'Caps', 43: '↲', 44: '⇧', 57: '⇧'
   $e.html """
-    <table id='keyboard-legend' class='key'
+    <table id=keyboard-legend class=key
            title='Prefix followed by shift+key produces the character in red.
                   Prefix followed by an unshifted key produces the character in blue.'>
-      <tr><td class='g2'>⇧x</td><td class='g3'><span class='pk-double'>`</span>&nbsp;⇧x</td></tr>
-      <tr><td class='g0'>x</td><td class='g1'><span class='pk-double'>`</span>&nbsp;x</td></tr>
+      <tr><td class=g2>⇧x</td><td class=g3><span class=pk-double>`</span>&nbsp;⇧x</td></tr>
+      <tr><td class=g0>x</td><td class=g1><span class=pk-double>`</span>&nbsp;x</td></tr>
     </table>
-    <label id='keyboard-pk-label'>Prefix: <input class="text-field pk" size="1"></label>
-    <div id="keyboard-layout">#{join(
+    <label id=keyboard-pk-label>Prefix: <input class="text-field pk" size=1></label>
+    <div id=keyboard-layout>#{join(
       for i in [1...NK]
         if s = specialKeys[i]
-          "<span id='k#{i}' class='key'>#{esc s}</span>"
+          "<span id=k#{i} class=key>#{esc s}</span>"
         else
           """
-            <span id='k#{i}' class='key'>
-              <span class='g2'></span><input class='g3'><br>
-              <span class='g0'></span><input class='g1'>
+            <span id=k#{i} class=key>
+              <span class=g2></span><input class=g3><br>
+              <span class=g0></span><input class=g1>
             </span>
           """
     )}</div>
-    <select id="keyboard-locale">#{join((for x, _ of layouts then "<option>#{x}").sort())}</select>
+    <select id=keyboard-locale>#{join((for x, _ of layouts then "<option>#{x}").sort())}</select>
   """
   .on 'focus', '.key input', -> setTimeout (=> $(@).select(); return), 1; return
   .on 'blur', '.key input', -> $(@).val(v = $(@).val()[-1..] || ' ').prop 'title', "U+#{hex ord(v), 4}"; return
diff --git a/client/prefs-ui-title.coffee b/client/prefs-ui-title.coffee
index 95a0bdfc..2480d2da 100644
--- a/client/prefs-ui-title.coffee
+++ b/client/prefs-ui-title.coffee
@@ -4,22 +4,21 @@ $wt = null
 @name = 'Title'
 @init = ($e) ->
   $e.html """
-    Window title:
-    <input class="text-field">
+    Window title: <input class=text-field>
     <pre>
-    <a href='#'>{WSID}</a>            workspace name
-    <a href='#'>{HOST}</a>:<a href='#'>{PORT}</a>     interpreter's TCP endpoint
-    <a href='#'>{PID}</a>             PID of the interpreter process
-    <a href='#'>{CHARS}</a>           Unicode or Classic
-    <a href='#'>{BITS}</a>            64 or 32
-    <a href='#'>{VER}</a>             interpreter version
-      <a href='#'>{VER_A}</a>           major
-      <a href='#'>{VER_B}</a>           minor
-      <a href='#'>{VER_C}</a>           svn revision
-    <a href='#'>{RIDE_VER}</a>        RIDE version
-      <a href='#'>{RIDE_VER_A}</a>      major
-      <a href='#'>{RIDE_VER_B}</a>      minor
-      <a href='#'>{RIDE_VER_C}</a>      git commit number
+    <a href=#>{WSID}</a>            workspace name
+    <a href=#>{HOST}</a>:<a href='#'>{PORT}</a>     interpreter's TCP endpoint
+    <a href=#>{PID}</a>             PID of the interpreter process
+    <a href=#>{CHARS}</a>           Unicode or Classic
+    <a href=#>{BITS}</a>            64 or 32
+    <a href=#>{VER}</a>             interpreter version
+      <a href=#>{VER_A}</a>           major
+      <a href=#>{VER_B}</a>           minor
+      <a href=#>{VER_C}</a>           svn revision
+    <a href=#>{RIDE_VER}</a>        RIDE version
+      <a href=#>{RIDE_VER_A}</a>      major
+      <a href=#>{RIDE_VER_B}</a>      minor
+      <a href=#'>{RIDE_VER_C}</a>      git commit number
     </pre>
   """
   $e.on 'click', 'pre a', (e) -> $wt.insert $(e.target).text(); return
diff --git a/client/prefs-ui.coffee b/client/prefs-ui.coffee
index c7f5e330..c993dee4 100644
--- a/client/prefs-ui.coffee
+++ b/client/prefs-ui.coffee
@@ -25,11 +25,11 @@ ok = ->
 module.exports = (tabName) ->
   if !$d # the dialogue, lazily initialized
     $d = $ """
-      <div id="prefs">
-        <ul id="prefs-tabs-nav">
-          #{join tabs.map (t) -> "<li><a href='#prefs-tab-#{safe t.name}'>#{t.name}</a></li>"}
+      <div id=prefs>
+        <ul id=prefs-tabs-nav>
+          #{join tabs.map (t) -> "<li><a href=#prefs-tab-#{safe t.name}>#{t.name}</a></li>"}
         </ul>
-        #{join tabs.map (t) -> "<div id='prefs-tab-#{safe t.name}'></div>"}
+        #{join tabs.map (t) -> "<div id=prefs-tab-#{safe t.name}></div>"}
       </div>
     """
       .tabs()
diff --git a/empty.html b/empty.html
index 26b829bf..371b3630 100644
--- a/empty.html
+++ b/empty.html
@@ -1,2 +1,2 @@
 <!doctype html>
-<html><head><meta charset="utf-8"><title></title></head><body></body></html>
+<html><head><meta charset=utf-8><title></title></head><body></body></html>
diff --git a/index.html b/index.html
index 03295da7..80e3415b 100644
--- a/index.html
+++ b/index.html
@@ -1,11 +1,11 @@
 <!doctype html>
 <html>
 <head>
-	<meta charset="utf-8">
+	<meta charset=utf-8>
 	<title>Dyalog IDE</title>
-	<link rel="stylesheet" href="codemirror.css">
-	<link rel="stylesheet" href="style.css">
-	<script src="D.js"></script>
+	<link rel=stylesheet href=codemirror.css>
+	<link rel=stylesheet href=style.css>
+	<script src=D.js></script>
 </head>
 <body><noscript>JavaScript is not enabled.</noscript></body>
 </html>