standardise and prettify code snippets in readme.md files

nbextensions/slidemode/slidemode/README.md

@@ -6,7 +6,7 @@ This folder contains the legacy slidemode
 Put the following in your custom.js
 
 
-```
+```javascript
 // Slidemode
 require(['nbextensions/IPython-notebook-extensions/slidemode/main','base/js/events'], function(slidemode, events){
     events.on('app_initialized.NotebookApp', function(){

nbextensions/usability/codefolding/readme.md

@@ -48,6 +48,7 @@ Installation
 Install the master version of the IPython-notebook-extensions repository as explained in the [wiki](https://github.com/ipython-contrib/IPython-notebook-extensions/wiki/).
 
 Then load the extension from within the IPyton notebook:
+
 ```javascript
 %%javascript
 IPython.load_extensions('IPython-notebook-extensions-master/usability/codefolding/codefolding');
@@ -60,9 +61,11 @@ Internals
 You need the current master branch from Codemirror in order to get codefolding to work. This is still very much work-in-progress.
 
 The folding information is saved in the metadata of each codecell. The number of the folding start line (beginning with 0) is stored in an array: 
+
 ```javascript
 cell.metadata.code_folding = [ 3, 20, 33 ]
 ```
+
 When reloading the IPython notebook, the folding status is restored.
 
 

nbextensions/usability/dragdrop/readme.md

@@ -9,16 +9,19 @@ Installation
 ============
 
 From IPython simply call
+
 ```python
 import IPython
 IPython.html.nbextensions.install_nbextension('https://raw.githubusercontent.com/ipython-contrib/IPython-notebook-extensions/master/nbextensions/usability/dragdrop/main.js')
 ```
 
 Then load the extension from within the IPyton notebook:
+
 ```javascript
 %%javascript
 IPython.load_extensions('drag-and-drop');
 ```
+
 Alternatively, you can add the load command to your `custom.js`.
 
 
@@ -26,6 +29,9 @@ Internals
 =========
 
 The image will be uploaded to the server into the directory where your notebook resides. This means, the image is not copied into the notebook itself, it will only be linked to. The markdown cell in the notebook will contain this tag:
-`<img  src="http://127.0.0.1:8888/notebooks/myimage.png"/>`
+
+```html
+<img  src="http://127.0.0.1:8888/notebooks/myimage.png"/>
+```
 
 If you run `nbconvert` to generate a HTML file, this image will remain outside of the html file. You can embedd all images by calling `nbconvert` with the option `--post=embed.EmbedPostProcessor`. The file `embed.py`, located in the same directory of this extension needs to be in `PYTHONPATH` to be found.

nbextensions/usability/latex_envs/readme.md

@@ -37,19 +37,26 @@ You should follow the instructions in the wiki.
 the notebook extension directory, usually ~/.local/share/jupyter/nebextensions (Jupyter) or ~/.ipython/nbextensions (IPython 3.x).   
 Copy the scripts in conversion/ to some directory (preferably in your path).
 - Automated installation
-An even more simple procedure is to issue
-```
-jupyter nbextension install https://rawgit.com/jfbercher/latex_envs/master/latex_envs.zip  --user
 
+An even more simple procedure is to issue
+
+``` bash
+jupyter nbextension install https://rawgit.com/jfbercher/latex_envs/master/latex_envs.zip  --user
 ```
+
 at the command line.
 Either load the extension from your `custom.js` or use a code cell with
 
-	%%javascript
-	require("base/js/utils").load_extensions("latex_envs/latex_envs")
+```javascript
+%%javascript
+require("base/js/utils").load_extensions("latex_envs/latex_envs")
+```
 
 You can automatically load the extension via
-	jupyter nbextension enable latex_envs/latex_envs	
+
+```bash
+jupyter nbextension enable latex_envs/latex_envs
+```
 
 
 Disclaimer, sources and acknowledgments

nbextensions/usability/limit_output/readme.md

@@ -3,6 +3,7 @@ This extension limits the number of characters a codecell can output as text. Th
 [![Demo Video](http://img.youtube.com/vi/U26ujuPXf00/0.jpg)](https://youtu.be/U26ujuPXf00)
 
 You can set the number of characters using the ConfigManager:
+
 ```Python
 from IPython.html.services.config import ConfigManager
 ip = get_ipython()

nbextensions/usability/python-markdown/readme.md

@@ -1,14 +1,19 @@
 This extension allows dynamically displaying Python variables in markdown cells.
 Example:
 If you set variable `a` in Python
+
 ```Python
 a = 1.23
 ```
+
 and write the following line in a markdown cell:
+
 ```Markdown
 a = {{a}}
 ```
+
 It will be displayed as:
+
 ```Markdown
 a = 1.23
 ```
@@ -38,6 +43,7 @@ Installation
 Install the master version of the IPython-notebook-extensions repository as explained on the main wiki page.
 
 Then load the extension from within the IPyton notebook:
+
 ```javascript
 %%javascript
 IPython.load_extensions('IPython-notebook-extensions-master/usability/python-markdown/main');

nbextensions/usability/rubberband/readme.md

@@ -22,9 +22,11 @@ Installation
 ============
 
 Copy the `rubberband` directory to a new `/nbextensions/usability/rubberband` directory of your user's IPython directory and add
+
 ```javascript
 IPython.load_extensions('usability/rubberband/main')
 ```
+
 to your `custom.js` file. Take a look at the general installation instructions in the Wiki if you are unsure how to proceed.
 
 

nbextensions/usability/ruler/readme.md

@@ -5,6 +5,7 @@ Configuration
 -------------
 
 You can set the number of characters in the notebook extensions configration page or use the ConfigManager:
+
 ```Python
 from IPython.html.services.config import ConfigManager
 ip = get_ipython()

nbextensions/usability/runtools/readme.md

@@ -45,11 +45,14 @@ A IPython notebook with marked cells looks like this:
 Installation
 ============
 Copy the `runtools` directory to a new `/nbextensions/usability/runtools` directory of your user's IPython directory and add
+
 ```javascript
 IPython.load_extensions('usability/runtools/main.js')
 ```
+
 to your `custom.js` file. Take a look at the general installation instructions in the Wiki if you are unsure how to proceed.
 
+
 Internals
 =========
 

nbextensions/usability/skip-traceback/readme.md

@@ -12,9 +12,11 @@ Installation
 ============
 Copy the `skip-exceptions` directory to a new `/nbextensions/usability/skip-exceptions` directory of your user's IPython
  directory and add
+
 ```javascript
 IPython.load_extensions('usability/skip-exceptions/main.js')
 ```
+
 to your `custom.js` file. Alternatively, you might want to use the `nbextensions` UI. Take a look at the general
  installation instructions in the Wiki if you are unsure how to proceed.