Removed unused note and set empty on default note, updated features note

3 files changed, 235 insertions, 150 deletions

diff --git a/public/GFM.md b/public/GFM.md
deleted file mode 100644
index 895bb1c1..00000000
--- a/public/GFM.md
+++ /dev/null
@@ -1,45 +0,0 @@
-GitHub Flavored Markdown
-========================
-
-Everything from markdown plus GFM features:
-
-## URL autolinking
-
-Underscores_are_allowed_between_words.
-asdasdasd
-
-## Strikethrough text
-
-GFM adds syntax to strikethrough text, which is missing from standard Markdown.
-
-~~Mistaken text.~~
-~~**works with other fomatting**~~
-
-~~spans across
-lines~~
-
-## Fenced code blocks (and syntax highlighting)
-
-```javascript
-for (var i = 0; i < items.length; i++) {
-    console.log(items[i], i); // log them
-}
-```
-
-## Task Lists
-
-- [ ] Incomplete task list item
-- [x] **Completed** task list item
-
-## A bit of GitHub spice
-
-* SHA: be6a8cc1c1ecfe9489fb51e4869af15a13fc2cd2
-* User@SHA ref: mojombo@be6a8cc1c1ecfe9489fb51e4869af15a13fc2cd2
-* User/Project@SHA: mojombo/god@be6a8cc1c1ecfe9489fb51e4869af15a13fc2cd2
-* \#Num: #1
-* User/#Num: mojombo#1
-* User/Project#Num: mojombo/god#1
-
-See http://github.github.com/github-flavored-markdown/.
-
-
diff --git a/public/default.md b/public/default.md
index 995fefc3..e69de29b 100644
--- a/public/default.md
+++ b/public/default.md
@@ -1,5 +0,0 @@
-Untitled
-===
-Don't know what to do? [See here](/features)
-Invite your friends to this note via the url.
-Collaborate notes in realtime with no harms!
\ No newline at end of file
diff --git a/public/features.md b/public/features.md
index d041c335..dde852f0 100644
--- a/public/features.md
+++ b/public/features.md
@@ -1,35 +1,118 @@
 Features
 ===
-### Embed HackMD
-```html
-<iframe width="100%" height="500" src="http://hackmd.herokuapp.com/features" frameborder="0">
-</iframe>
+
+Introduction
+===
+<i class="fa fa-file-text"></i> HackMD is a realtime collaborate markdown note in all platforms.
+This mean you can do some notes with any other in **Desktop, Tablet or even Phone**.
+You can Sign in via **Facebook, Twitter, GitHub, Dropbox** in the **[homepage](/)**.
+
+This service still in early stage, might be buggy or crash.
+Please report issue in [GitHub](https://github.com/hackmdio/hackmd).
+If you need instant help, please use [Facebook Message](https://www.facebook.com/messages/866415986748945).
+**Thank you very much!**
+
+Workspace
+===
+## Modes
+**Desktop & Tablet**
+
+<i class="fa fa-edit fa-fw"></i> Edit: See only the editor.
+<i class="fa fa-eye fa-fw"></i> View: See only the result.
+<i class="fa fa-columns fa-fw"></i> Both: See both in split view.
+
+**Mobile**
+
+<i class="fa fa-toggle-on fa-fw"></i> View: See only the result.
+<i class="fa fa-toggle-off fa-fw"></i> Edit: See only the editor.
+
+## Upload image
+You can simply press the camera button <i class="fa fa-camera"></i>.
+Or **drag-n-drop** image in editor, even **paste** image works!
+It will automatically upload to **[imgur](http://imgur.com)**, nothing to worry :tada:
+![](http://i.imgur.com/9cgQVqD.png)
+
+## Share note
+If you want to share a **editable** note, just copy the url.
+If you want to share a **read-only** note, simply press share button <i class="fa fa-share-alt"></i> and copy the url.
+
+## Save
+Currently, you can save to **dropbox** <i class="fa fa-dropbox"></i> or save as **.md** <i class="fa fa-file-text"></i> to local.
+
+## Import
+Like save feature, you can also import **.md** from **dropbox** <i class="fa fa-dropbox"></i>.
+Or import from your **clipboard** <i class="fa fa-clipboard"></i>, and that can parse some **html** which might be useful :smiley:
+
+## Permission
+There is a little button on the top right of the view.
+You can change the permission via theres options.
+It might be one of below:
+
+<i class="fa fa-leaf fa-fw"></i> Freely: Anyone can edit this note.
+<i class="fa fa-pencil fa-fw"></i> Editable: Signed user can edit this note.
+<i class="fa fa-lock fa-fw"></i> Locked: Only owner can edit this note.
+<i class="fa fa-hand-stop-o fa-fw"></i> Private: Only owner can view and edit this note.
+
+**Only the owner of the note can change the permission**
+
+## Embed
+```xml
+<iframe width="100%" height="500" src="http://hackmd.io/features" frameborder="0"></iframe>
 ```
 
-### Emoji
-:smile: :smiley: :cry:
-
-### Todo List
-- [ ] Not
-	- [ ] No yet
-	- asd
-	- [ ] right away
-- [x] Done
-- Test
-	- [x] yes
-	- asd
-	- [x] cool
-- Test
-	- asd
-	- qwe
-	- vgfhddfgh
-- jhlkj
-	- jkhkjh
-	- kjhgkh
-	- gkjhgkj
-
-### Code Highlighting
-```javascript
+View
+===
+## Table of content
+You can look at bottom right place of the view area, there is a TOC button <i class="fa fa-bars"></i>.
+Press that will show current table of content and will emphasis which your section on.
+Support up to **three header levels**.
+
+## Permalink
+Every header will automatically add a permalink on the right side.
+You can hover and click <i class="fa fa-chain"></i> to anchor on it.
+
+Edit
+===
+## Shortcut keys
+Just like sublime text, which is pretty quick and convinent.
+> For more infomations, see [here](https://codemirror.net/demo/sublime.html).
+
+## Auto complete
+This editor provide full auto complete hint of markdown.
+- Emojis: type `:` to show hint.
+- Code blocks: type ` ``` ` and plus a character to show hint. <i hidden>```</i>
+- Headers: type `#` to show hint.
+- Referrals: type `[]` to show hint.
+- Externals: type `{}` to show hint.
+- Images: type `!` to show hint.
+
+## Title
+This will take the first **level 1 header** as the note title.
+
+## Tags
+Using tags like below, these will show in your **history**.
+###### tags: `features` `cool` `updated`
+
+## [YAML metadata](https://hackmd.io/IwFgZgxiBsBGCsBaAnPYAORJm07gDMImGAKYnrwDsUI8QA==)
+Provide advanced note information to set the browse behavior, visit above link for detail
+- robots: set search engine to index or not
+- lang: set browse language
+- dir: set text direction
+- breaks: set to use line breaks
+
+## Emoji
+You can type any emoji like this :smile: :smiley: :cry: :wink:
+> See full emoji list [here](http://www.emoji-cheat-sheet.com/)
+
+## Todo List
+- [ ] Todos
+	- [x] Buy some salad
+    - [ ] Brush teeth
+	- [x] Drink some water
+
+## Code block
+We support many code languages, use the auto complete to see the list.
+```javascript=
 var s = "JavaScript syntax highlighting";
 alert(s);
 function $initHighlight(block, cls) {
@@ -46,10 +129,10 @@ function $initHighlight(block, cls) {
   }
 }
 ```
-#### with line number
-> add '=' after the code block lang
-
-```javascript=
+> If you want **line numbers**, type `=` after specify the code block languagues.
+> Also, you can specify the start line number.
+> Like below, the line number starts from 101:
+```javascript=101
 var s = "JavaScript syntax highlighting";
 alert(s);
 function $initHighlight(block, cls) {
@@ -67,70 +150,115 @@ function $initHighlight(block, cls) {
 }
 ```
 
-smartList
----
-#### cool
+> Or you might want to continue the previous code block line number, use `=+`
 
-* XD
-* QQ
+```javascript=+
+var s = "JavaScript syntax highlighting";
+alert(s);
+```
 
+### Blockquotes tags
+> Using like below to specifiy your **name, time and color** to differ the blockquotes.
+> [name=ChengHan Wu] [time=Sun, Jun 28, 2015 9:59 PM] [color=#907bf7]
+> > Even support the nest blockquotes!
+> > [name=ChengHan Wu] [time=Sun, Jun 28, 2015 10:00 PM] [color=red]
 
-1. yes
-2. no
+## Externals
 
-smartypants
----
-- "asd"
-- --asd
-- asd---
+### Youtube
+{%youtube 1G4isv_Fylg %}
 
-Table
----
-First Header  | Second Header
-------------- | -------------
-Content Cell  | Content Cell
-Content Cell  | Content Cell
+### Vimeo
+{%vimeo 124148255 %}
 
-First Header  | Second Header
-------------- | -------------
+### Gist
+{%gist schacon/4277%}
 
-Image
----
-![](http://cached.imagescaler.hbpl.co.uk/resize/scaleWidth/620/offlinehbpl.hbpl.co.uk/news/OKM/bubblescropped-20141024090315599.png)
+### SlideShare
+{%slideshare briansolis/26-disruptive-technology-trends-2016-2018-56796196 %}
 
-Video
----
-#### Youtube
+### Speakerdeck
+{%speakerdeck sugarenia/xxlcss-how-to-scale-css-and-keep-your-sanity %}
 
-{%youtube 1G4isv_Fylg %}
+## MathJax
 
-#### Vimeo
+You can render *LaTeX* mathematical expressions using **MathJax**, as on [math.stackexchange.com](http://math.stackexchange.com/):
 
-{%vimeo 124148255 %}
+The *Gamma function* satisfying $\Gamma(n) = (n-1)!\quad\forall n\in\mathbb N$ is via the Euler integral
 
-Gist
----
-{%gist schacon/4277 %}
+$$
+x = {-b \pm \sqrt{b^2-4ac} \over 2a}.
+$$
 
-tags
----
-> using like below
+$$
+\Gamma(z) = \int_0^\infty t^{z-1}e^{-t}dt\,.
+$$
+
+> More information about **LaTeX** mathematical expressions [here](http://meta.math.stackexchange.com/questions/5020/mathjax-basic-tutorial-and-quick-reference).
+
+## UML diagrams
+
+### Sequence diagrams
+
+You can render sequence diagrams like this:
 
-###### tags: `features` `cool`
+```sequence
+Alice->Bob: Hello Bob, how are you?
+Note right of Bob: Bob thinks
+Bob-->Alice: I am good thanks!
+Note left of Alice: Alice responds
+Alice->Bob: Where have you been?
+```
+
+### Flow charts
+
+And flow charts like this:
+```flow
+st=>start: Start
+e=>end: End
+op=>operation: My Operation
+op2=>operation: lalala
+cond=>condition: Yes or No?
 
+st->op->op2->cond
+cond(yes)->e
+cond(no)->op2
+```
 
+### Graphviz
+```graphviz
+digraph hierarchy {
 
+                nodesep=1.0 // increases the separation between nodes
+                
+                node [color=Red,fontname=Courier,shape=box] //All nodes will this shape and colour
+                edge [color=Blue, style=dashed] //All the lines look like this
 
+                Headteacher->{Deputy1 Deputy2 BusinessManager}
+                Deputy1->{Teacher1 Teacher2}
+                BusinessManager->ITManager
+                {rank=same;ITManager Teacher1 Teacher2}  // Put them on the same level
+}
+```
 
+> More information about **Sequence diagrams** syntax [here](http://bramp.github.io/js-sequence-diagrams/).
+> More information about **Flow charts** syntax [here](http://adrai.github.io/flowchart.js/).
+> More information about **Graphviz** syntax [here](http://www.tonyballantyne.com/graphs.html)
+
+## Typography
+
+### Headers
+
+```
 # h1 Heading
 ## h2 Heading
 ### h3 Heading
 #### h4 Heading
 ##### h5 Heading
 ###### h6 Heading
+```
 
-
-## Horizontal Rules
+### Horizontal rules
 
 ___
 
@@ -139,7 +267,7 @@ ___
 ***
 
 
-## Typographic replacements
+### Typographic replacements
 
 Enable typographer option to see result.
 
@@ -155,8 +283,7 @@ Remarkable -- awesome
 
 'Smartypants, single quotes'
 
-
-## Emphasis
+### Emphasis
 
 **This is bold text**
 
@@ -168,6 +295,8 @@ _This is italic text_
 
 ~~Deleted text~~
 
+lu~lala~
+
 Superscript: 19^th^
 
 Subscript: H~2~O
@@ -177,17 +306,17 @@ Subscript: H~2~O
 ==Marked text==
 
 
-## Blockquotes
+### Blockquotes
 
 
 > Blockquotes can also be nested...
 >> ...by using additional greater-than signs right next to each other...
-> > > ...or with spaces between arrows.
+> > > ...or with spaces between arrows. 
 
 
-## Lists
+### Lists
 
-Unordered
+#### Unordered
 
 + Create a list by starting a line with `+`, `-`, or `*`
 + Sub-lists are made by indenting 2 spaces:
@@ -197,7 +326,7 @@ Unordered
     - Nulla volutpat aliquam velit
 + Very easy!
 
-Ordered
+#### Ordered
 
 1. Lorem ipsum dolor sit amet
 2. Consectetur adipiscing elit
@@ -206,14 +335,18 @@ Ordered
 
 1. You can use sequential numbers...
 1. ...or keep all the numbers as `1.`
+1. feafw
+2. 332
+3. 242
+4. 2552
+1. e2
 
 Start numbering with offset:
 
 57. foo
 1. bar
 
-
-## Code
+### Code
 
 Inline `code`
 
@@ -241,7 +374,7 @@ var foo = function (bar) {
 console.log(foo(5));
 ```
 
-## Tables
+### Tables
 
 | Option | Description |
 | ------ | ----------- |
@@ -257,52 +390,56 @@ Right aligned columns
 | engine | engine to be used for processing templates. Handlebars is the default. |
 | ext    | extension to be used for dest files. |
 
+Left aligned columns
 
-## Links
+| Option | Description |
+|:------ |:----------- |
+| data   | path to data files to supply the data that will be passed into templates. |
+| engine | engine to be used for processing templates. Handlebars is the default. |
+| ext    | extension to be used for dest files. |
 
-[link text](http://dev.nodeca.com)
+Center aligned columns
 
-[link with title](http://nodeca.github.io/pica/demo/ "title text!")
+| Option | Description |
+|:------:|:-----------:|
+| data   | path to data files to supply the data that will be passed into templates. |
+| engine | engine to be used for processing templates. Handlebars is the default. |
+| ext    | extension to be used for dest files. |
 
-Autoconverted link https://github.com/nodeca/pica
 
+### Links
+[link text](http://dev.nodeca.com)
+[link with title](http://nodeca.github.io/pica/demo/ "title text!")
+Autoconverted link https://github.com/nodeca/pica
 
-## Images
 
+### Images
 ![Minion](https://octodex.github.com/images/minion.png)
 ![Stormtroopocat](https://octodex.github.com/images/stormtroopocat.jpg "The Stormtroopocat")
-
 Like links, Images also have a footnote style syntax
-
 ![Alt text][id]
-
 With a reference later in the document defining the URL location:
 
 [id]: https://octodex.github.com/images/dojocat.jpg  "The Dojocat"
 
 
-## Footnotes
+### Footnotes
 
 Footnote 1 link[^first].
-
 Footnote 2 link[^second].
-
 Inline footnote^[Text of inline footnote] definition.
-
 Duplicated footnote reference[^second].
 
 [^first]: Footnote **can have markup**
-
     and multiple paragraphs.
-
 [^second]: Footnote text.
 
-
-## Definition lists
+### Definition lists
 
 Term 1
 
 :   Definition 1
+
 with lazy continuation.
 
 Term 2 with *inline markup*
@@ -322,11 +459,9 @@ Term 2
   ~ Definition 2a
   ~ Definition 2b
 
-
-## Abbreviations
+### Abbreviations
 
 This is HTML abbreviation example.
-
 It converts "HTML", but keep intact partial entries like "xxxHTMLyyy" and so on.
 
 *[HTML]: Hyper Text Markup Language
\ No newline at end of file