diff --git a/app/Template/comment/create.php b/app/Template/comment/create.php
index 8d2b05dca..5bd8debc8 100644
--- a/app/Template/comment/create.php
+++ b/app/Template/comment/create.php
@@ -2,7 +2,7 @@
     <h2><?= t('Add a comment') ?></h2>
 </div>
 
-<form method="post" action="<?= $this->u('comment', 'save', array('task_id' => $task['id'], 'project_id' => $task['project_id'], 'ajax' => isset($ajax))) ?>" autocomplete="off">
+<form method="post" action="<?= $this->u('comment', 'save', array('task_id' => $task['id'], 'project_id' => $task['project_id'], 'ajax' => isset($ajax))) ?>" autocomplete="off" class="form-comment">
     <?= $this->formCsrf() ?>
     <?= $this->formHidden('task_id', $values) ?>
     <?= $this->formHidden('user_id', $values) ?>
diff --git a/assets/css/print.css b/assets/css/print.css
index 7b685c555..b2cbfb644 100644
--- a/assets/css/print.css
+++ b/assets/css/print.css
@@ -16,6 +16,8 @@
  *  Font Awesome 4.3.0 by @davegandy - http://fontawesome.io - @fontawesome
  *  License - http://fontawesome.io/license (Font: SIL OFL 1.1, CSS: MIT License)
  */@font-face{font-family:'FontAwesome';src:url('../fonts/fontawesome-webfont.eot?v=4.3.0');src:url('../fonts/fontawesome-webfont.eot?#iefix&v=4.3.0') format('embedded-opentype'),url('../fonts/fontawesome-webfont.woff2?v=4.3.0') format('woff2'),url('../fonts/fontawesome-webfont.woff?v=4.3.0') format('woff'),url('../fonts/fontawesome-webfont.ttf?v=4.3.0') format('truetype'),url('../fonts/fontawesome-webfont.svg?v=4.3.0#fontawesomeregular') format('svg');font-weight:normal;font-style:normal}.fa{display:inline-block;font:normal normal normal 14px/1 FontAwesome;font-size:inherit;text-rendering:auto;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transform:translate(0, 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fa-spin{0%{-webkit-transform:rotate(0deg);transform:rotate(0deg)}100%{-webkit-transform:rotate(359deg);transform:rotate(359deg)}}.fa-rotate-90{filter:progid:DXImageTransform.Microsoft.BasicImage(rotation=1);-webkit-transform:rotate(90deg);-ms-transform:rotate(90deg);transform:rotate(90deg)}.fa-rotate-180{filter:progid:DXImageTransform.Microsoft.BasicImage(rotation=2);-webkit-transform:rotate(180deg);-ms-transform:rotate(180deg);transform:rotate(180deg)}.fa-rotate-270{filter:progid:DXImageTransform.Microsoft.BasicImage(rotation=3);-webkit-transform:rotate(270deg);-ms-transform:rotate(270deg);transform:rotate(270deg)}.fa-flip-horizontal{filter:progid:DXImageTransform.Microsoft.BasicImage(rotation=0, mirror=1);-webkit-transform:scale(-1, 1);-ms-transform:scale(-1, 1);transform:scale(-1, 1)}.fa-flip-vertical{filter:progid:DXImageTransform.Microsoft.BasicImage(rotation=2, mirror=1);-webkit-transform:scale(1, -1);-ms-transform:scale(1, -1);transform:scale(1, -1)}:root .fa-rotate-90,:root .fa-rotate-180,:root .fa-rotate-270,:root .fa-flip-horizontal,:root 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fa-openid:before{content:"\f19b"}.fa-institution:before,.fa-bank:before,.fa-university:before{content:"\f19c"}.fa-mortar-board:before,.fa-graduation-cap:before{content:"\f19d"}.fa-yahoo:before{content:"\f19e"}.fa-google:before{content:"\f1a0"}.fa-reddit:before{content:"\f1a1"}.fa-reddit-square:before{content:"\f1a2"}.fa-stumbleupon-circle:before{content:"\f1a3"}.fa-stumbleupon:before{content:"\f1a4"}.fa-delicious:before{content:"\f1a5"}.fa-digg:before{content:"\f1a6"}.fa-pied-piper:before{content:"\f1a7"}.fa-pied-piper-alt:before{content:"\f1a8"}.fa-drupal:before{content:"\f1a9"}.fa-joomla:before{content:"\f1aa"}.fa-language:before{content:"\f1ab"}.fa-fax:before{content:"\f1ac"}.fa-building:before{content:"\f1ad"}.fa-child:before{content:"\f1ae"}.fa-paw:before{content:"\f1b0"}.fa-spoon:before{content:"\f1b1"}.fa-cube:before{content:"\f1b2"}.fa-cubes:before{content:"\f1b3"}.fa-behance:before{content:"\f1b4"}.fa-behance-square:before{content:"\f1b5"}.fa-steam:before{content:"\f1b6"}.fa-steam-square:before{content:"\f1b7"}.fa-recycle:before{content:"\f1b8"}.fa-automobile:before,.fa-car:before{content:"\f1b9"}.fa-cab:before,.fa-taxi:before{content:"\f1ba"}.fa-tree:before{content:"\f1bb"}.fa-spotify:before{content:"\f1bc"}.fa-deviantart:before{content:"\f1bd"}.fa-soundcloud:before{content:"\f1be"}.fa-database:before{content:"\f1c0"}.fa-file-pdf-o:before{content:"\f1c1"}.fa-file-word-o:before{content:"\f1c2"}.fa-file-excel-o:before{content:"\f1c3"}.fa-file-powerpoint-o:before{content:"\f1c4"}.fa-file-photo-o:before,.fa-file-picture-o:before,.fa-file-image-o:before{content:"\f1c5"}.fa-file-zip-o:before,.fa-file-archive-o:before{content:"\f1c6"}.fa-file-sound-o:before,.fa-file-audio-o:before{content:"\f1c7"}.fa-file-movie-o:before,.fa-file-video-o:before{content:"\f1c8"}.fa-file-code-o:before{content:"\f1c9"}.fa-vine:before{content:"\f1ca"}.fa-codepen:before{content:"\f1cb"}.fa-jsfiddle:before{content:"\f1cc"}.fa-life-bouy:before,.fa-life-buoy:before,.fa-life-saver:before,.fa-support:before,.fa-life-ring:before{content:"\f1cd"}.fa-circle-o-notch:before{content:"\f1ce"}.fa-ra:before,.fa-rebel:before{content:"\f1d0"}.fa-ge:before,.fa-empire:before{content:"\f1d1"}.fa-git-square:before{content:"\f1d2"}.fa-git:before{content:"\f1d3"}.fa-hacker-news:before{content:"\f1d4"}.fa-tencent-weibo:before{content:"\f1d5"}.fa-qq:before{content:"\f1d6"}.fa-wechat:before,.fa-weixin:before{content:"\f1d7"}.fa-send:before,.fa-paper-plane:before{content:"\f1d8"}.fa-send-o:before,.fa-paper-plane-o:before{content:"\f1d9"}.fa-history:before{content:"\f1da"}.fa-genderless:before,.fa-circle-thin:before{content:"\f1db"}.fa-header:before{content:"\f1dc"}.fa-paragraph:before{content:"\f1dd"}.fa-sliders:before{content:"\f1de"}.fa-share-alt:before{content:"\f1e0"}.fa-share-alt-square:before{content:"\f1e1"}.fa-bomb:before{content:"\f1e2"}.fa-soccer-ball-o:before,.fa-futbol-o:before{content:"\f1e3"}.fa-tty:before{content:"\f1e4"}.fa-binoculars:before{content:"\f1e5"}.fa-plug:before{content:"\f1e6"}.fa-slideshare:before{content:"\f1e7"}.fa-twitch:before{content:"\f1e8"}.fa-yelp:before{content:"\f1e9"}.fa-newspaper-o:before{content:"\f1ea"}.fa-wifi:before{content:"\f1eb"}.fa-calculator:before{content:"\f1ec"}.fa-paypal:before{content:"\f1ed"}.fa-google-wallet:before{content:"\f1ee"}.fa-cc-visa:before{content:"\f1f0"}.fa-cc-mastercard:before{content:"\f1f1"}.fa-cc-discover:before{content:"\f1f2"}.fa-cc-amex:before{content:"\f1f3"}.fa-cc-paypal:before{content:"\f1f4"}.fa-cc-stripe:before{content:"\f1f5"}.fa-bell-slash:before{content:"\f1f6"}.fa-bell-slash-o:before{content:"\f1f7"}.fa-trash:before{content:"\f1f8"}.fa-copyright:before{content:"\f1f9"}.fa-at:before{content:"\f1fa"}.fa-eyedropper:before{content:"\f1fb"}.fa-paint-brush:before{content:"\f1fc"}.fa-birthday-cake:before{content:"\f1fd"}.fa-area-chart:before{content:"\f1fe"}.fa-pie-chart:before{content:"\f200"}.fa-line-chart:before{content:"\f201"}.fa-lastfm:before{content:"\f202"}.fa-lastfm-square:before{content:"\f203"}.fa-toggle-off:before{content:"\f204"}.fa-toggle-on:before{content:"\f205"}.fa-bicycle:before{content:"\f206"}.fa-bus:before{content:"\f207"}.fa-ioxhost:before{content:"\f208"}.fa-angellist:before{content:"\f209"}.fa-cc:before{content:"\f20a"}.fa-shekel:before,.fa-sheqel:before,.fa-ils:before{content:"\f20b"}.fa-meanpath:before{content:"\f20c"}.fa-buysellads:before{content:"\f20d"}.fa-connectdevelop:before{content:"\f20e"}.fa-dashcube:before{content:"\f210"}.fa-forumbee:before{content:"\f211"}.fa-leanpub:before{content:"\f212"}.fa-sellsy:before{content:"\f213"}.fa-shirtsinbulk:before{content:"\f214"}.fa-simplybuilt:before{content:"\f215"}.fa-skyatlas:before{content:"\f216"}.fa-cart-plus:before{content:"\f217"}.fa-cart-arrow-down:before{content:"\f218"}.fa-diamond:before{content:"\f219"}.fa-ship:before{content:"\f21a"}.fa-user-secret:before{content:"\f21b"}.fa-motorcycle:before{content:"\f21c"}.fa-street-view:before{content:"\f21d"}.fa-heartbeat:before{content:"\f21e"}.fa-venus:before{content:"\f221"}.fa-mars:before{content:"\f222"}.fa-mercury:before{content:"\f223"}.fa-transgender:before{content:"\f224"}.fa-transgender-alt:before{content:"\f225"}.fa-venus-double:before{content:"\f226"}.fa-mars-double:before{content:"\f227"}.fa-venus-mars:before{content:"\f228"}.fa-mars-stroke:before{content:"\f229"}.fa-mars-stroke-v:before{content:"\f22a"}.fa-mars-stroke-h:before{content:"\f22b"}.fa-neuter:before{content:"\f22c"}.fa-facebook-official:before{content:"\f230"}.fa-pinterest-p:before{content:"\f231"}.fa-whatsapp:before{content:"\f232"}.fa-server:before{content:"\f233"}.fa-user-plus:before{content:"\f234"}.fa-user-times:before{content:"\f235"}.fa-hotel:before,.fa-bed:before{content:"\f236"}.fa-viacoin:before{content:"\f237"}.fa-train:before{content:"\f238"}.fa-subway:before{content:"\f239"}.fa-medium:before{content:"\f23a"}header,
+.sidebar,
+.form-comment,
 .page-header {
     display: none;
 }/* links */
@@ -140,7 +142,103 @@ th a:hover {
 
 .column-70 {
     width: 70%;
-}/* task inside the board */
+}/* board filters */
+.board-filters {
+    font-size: 0.95em;
+}
+
+#more-filters {
+    display: none; /* Hide this filter initially, to avoid re-layout */
+}
+
+/* public board */
+.public-board {
+    margin-top: 5px;
+}
+
+.public-task {
+    max-width: 700px;
+    margin: 0 auto;
+    margin-top: 5px;
+}
+
+/* board table */
+#board-container {
+    padding-bottom: 200px; /* Space to avoid dropdown menu truncated */
+    overflow-x: scroll;
+}
+
+.board-container-compact {
+    overflow-x: initial;
+}
+
+.board-container-compact #board {
+    table-layout: auto;
+}
+
+#board {
+    table-layout: fixed;
+}
+
+#board th {
+    width: 120px; /* Width of swimlane column */
+}
+
+#board th.board-column {
+    width: 240px; /* Width of other columns, in default [horizontal scrolling] view mode */
+}
+
+#board th.board-column.board-column-compact {
+    width: initial; /* Do not force the width of the columns in compact view mode */
+}
+
+#board th a {
+    text-decoration: none;
+    color: #3366CC;
+    font-size: 150%;
+}
+
+#board td {
+    vertical-align: top;
+}
+
+#board td.task-limit-warning {
+    background-color: #DF5353;
+}
+
+/* column header */
+.board-add-icon {
+    float: left;
+    padding: 0 5px;
+}
+
+.board-add-icon a {
+    line-height: 70%;
+}
+
+.task-count {
+    color: #999;
+    font-weight: normal;
+}
+
+/* drag and drop */
+.draggable-item {
+    cursor: pointer;
+    user-select: none;
+}
+
+.draggable-placeholder {
+    border: 2px dashed #000;
+    background: #fafafa;
+    height: 70px;
+    margin-bottom: 10px;
+}
+
+/* swimlanes */
+#board th a.board-swimlane-toggle {
+    font-size: 0.95em;
+}
+/* task inside the board */
 .task-board {
     position: relative;
     margin-bottom: 5px;
@@ -445,99 +543,148 @@ span.task-board-date-overdue {
 
 #screenshot-zone.screenshot-pasted {
     border: 2px solid #333;
-}/* board filters */
-.board-filters {
-    font-size: 0.95em;
+}/* comments */
+.comment {
+    margin-bottom: 20px;
 }
 
-#more-filters {
-    display: none; /* Hide this filter initially, to avoid re-layout */
+.comment:hover {
+    background: #F7F8E0;
 }
 
-/* public board */
-.public-board {
+.comment-inner {
+    border-left: 4px solid #333;
+    padding-bottom: 10px;
+    padding-left: 20px;
+    margin-left: 20px;
+    margin-right: 10px;
+}
+
+.comment-preview {
+    border: 2px solid #000;
+    border-radius: 3px;
+    padding: 10px;
+}
+
+.comment-preview .comment-inner {
+    border: none;
+    padding: 0;
+    margin: 0;
+}
+
+.comment-title {
+    margin-bottom: 8px;
+    padding-bottom: 3px;
+    border-bottom: 1px dotted #aaa;
+}
+
+.ui-tooltip .comment-title {
+    font-size: 80%;
+}
+
+.ui-tooltip .comment-inner {
+    padding-bottom: 0;
+}
+
+.comment-actions {
+    font-size: 0.8em;
+    padding: 0;
+    text-align: right;
+}
+
+.comment-actions li {
+    display: inline;
+    padding-left: 5px;
+    padding-right: 5px;
+    border-right: 1px dotted #000;
+}
+
+.comment-actions li:last-child {
+    padding-right: 0;
+    border: 0;
+}
+
+.comment-username {
+    font-weight: bold;
+}
+
+.comment-textarea {
+    height: 200px;
+    width: 80%;
+    max-width: 800px;
+}
+
+#comments .comment-textarea {
+    height: 80px;
+    width: 500px;
+}/* subtasks */
+.subtasks-table {
+    font-size: 0.85em;
+}
+
+.subtasks-table td {
+    vertical-align: middle;
+}/* markdown content */
+.markdown {
+    line-height: 1.4em;
+    font-size: 1.0em;
+}
+
+.markdown h1 {
     margin-top: 5px;
+    margin-bottom: 10px;
+    font-size: 1.5em;
+    font-weight: bold;
+    text-decoration: underline;
 }
 
-.public-task {
-    max-width: 700px;
-    margin: 0 auto;
-    margin-top: 5px;
+.markdown h2 {
+    font-size: 1.2em;
+    font-weight: bold;
+    text-decoration: underline;
 }
 
-/* board table */
-#board-container {
-    padding-bottom: 200px; /* Space to avoid dropdown menu truncated */
-    overflow-x: scroll;
+.markdown h3 {
+    font-size: 1.1em;
+    text-decoration: underline;
 }
 
-.board-container-compact {
-    overflow-x: initial;
+.markdown h4 {
+    font-size: 1.1em;
+    text-decoration: underline;
 }
 
-.board-container-compact #board {
-    table-layout: auto;
-}
-
-#board {
-    table-layout: fixed;
-}
-
-#board th {
-    width: 120px; /* Width of swimlane column */
-}
-
-#board th.board-column {
-    width: 240px; /* Width of other columns, in default [horizontal scrolling] view mode */
-}
-
-#board th.board-column.board-column-compact {
-    width: initial; /* Do not force the width of the columns in compact view mode */
-}
-
-#board th a {
-    text-decoration: none;
-    color: #3366CC;
-    font-size: 150%;
-}
-
-#board td {
-    vertical-align: top;
-}
-
-#board td.task-limit-warning {
-    background-color: #DF5353;
-}
-
-/* column header */
-.board-add-icon {
-    float: left;
-    padding: 0 5px;
-}
-
-.board-add-icon a {
-    line-height: 70%;
-}
-
-.task-count {
-    color: #999;
-    font-weight: normal;
-}
-
-/* drag and drop */
-.draggable-item {
-    cursor: pointer;
-    user-select: none;
-}
-
-.draggable-placeholder {
-    border: 2px dashed #000;
-    background: #fafafa;
-    height: 70px;
+.markdown p {
     margin-bottom: 10px;
 }
 
-/* swimlanes */
-#board th a.board-swimlane-toggle {
-    font-size: 0.95em;
+.markdown ol,
+.markdown ul {
+    margin-left: 25px;
+    margin-top: 10px;
+    margin-bottom: 10px;
 }
+
+.markdown pre {
+    background: #fdfdfd;
+    padding: 10px;
+    border-radius: 5px;
+    border: 1px solid #ddd;
+    overflow: auto;
+    color: #444;
+}
+
+.markdown blockquote {
+    font-style: italic;
+    border-left: 3px solid #ddd;
+    padding-left: 10px;
+    margin-bottom: 10px;
+    margin-left: 20px;
+}
+
+.markdown img {
+    display: block;
+    max-width: 80%;
+    margin-top: 10px;
+}
+
diff --git a/assets/css/src/print.css b/assets/css/src/print.css
index 1d7c27ea4..6f71b4219 100644
--- a/assets/css/src/print.css
+++ b/assets/css/src/print.css
@@ -1,4 +1,6 @@
 header,
+.sidebar,
+.form-comment,
 .page-header {
     display: none;
 }
\ No newline at end of file
diff --git a/scripts/make-assets.sh b/scripts/make-assets.sh
index e1cfbfe91..22d496c81 100755
--- a/scripts/make-assets.sh
+++ b/scripts/make-assets.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-print_css="print links table task board"
+print_css="print links table board task comment subtask markdown"
 app_css="base links title table form button alert tooltip header board task comment subtask markdown listing activity dashboard pagination popover confirm sidebar responsive dropdown"
 vendor_css="jquery-ui.min chosen.min fullcalendar.min font-awesome.min"