Merge pull request #11 from gabalafou/nbsphinx

Nbsphinx: pull request against pull request

docs/community/topics/manual-dev.md

@@ -12,30 +12,34 @@ This is optional, but it's best to start with a fresh development environment so
 
 To do so, use a tool like [conda](https://docs.conda.io/en/latest/), [mamba](https://github.com/mamba-org/mamba), or [virtualenv](https://virtualenv.pypa.io/).
 
-## Clone the repository locally
+## Install dependencies
 
-First clone this repository from the `pydata` organization, or from a fork that you have created:
+You must install `sphinx-theme-builder` and Pandoc.
+
+We use the `sphinx-theme-builder` to install `nodejs` locally and to compile all CSS and JS assets needed for the theme.
+Install it like so (note the `cli` option so that we can run it from the command line):
 
 ```console
-$ git clone https://github.com/pydata/pydata-sphinx-theme
-$ cd pydata-sphinx-theme
+$ pip install "sphinx-theme-builder[cli]"
 ```
 
-## Install the `sphinx-theme-builder`
+We use `nbsphinx` to support notebook (.ipynb) files in the documentation, which requires [installing Pandoc](https://pandoc.org/installing.html) at a system level (or within a Conda environment).
 
-We use the `sphinx-theme-builder` to install `nodejs` locally and to compile all CSS and JS assets needed for the theme.
-Install it like so (note the `cli` option so that we can run it from the command line):
+## Clone the repository locally
+
+First clone this repository from the `pydata` organization, or from a fork that you have created:
 
 ```console
-$ pip install sphinx-theme-builder[cli]
+$ git clone https://github.com/pydata/pydata-sphinx-theme
+$ cd pydata-sphinx-theme
 ```
 
 ## Install this theme locally
 
 Next, install this theme locally so that we have the necessary dependencies to build the documentation and testing suite:
 
 ```console
-$ pip install -e .[dev]
+$ pip install -e ".[dev]"
 ```
 
 Note that the `sphinx-theme-builder` will automatically install a local copy of `nodejs` for building the theme's assets.