Shift tab

This extension is redundant in 4.x Jupyter.

The dedent hotkey for the IPython notebook is Ctrl-]. Unfortunately, for non-US keyboards it is difficult or even impossible to generate this key combination.

Therefore, the shift-tab extension allows using Shift-tab keys for dedent operation.

Installation

Copy the file shift-tab.js to the /nbextensions/usability/ directory of your local .ipython directory. Then load the extension from within the IPyton notebook:

%%javascript
IPython.load_extensions('usability/shift-tab');

Alternatively, you can add the load command to your custom.js. Take a look at the general installation instructions in the Wiki if you are unsure how to proceed.

Internals

The extension registers Shift-tab to the IPython keyboard_manager and calls the indentLess command in codemirror when shift-tab is pressed. Be aware, this overrides the configuration to show docstrings when pressing shift-tab. Your choice...