asyncio doc: rewrite subprocess doc
* add a new example using transport and protocol
* rewrite the example using streams to make it much simpler (remove error
handling, use a simpler Python code)
* copy (and adapt) more documentation from the subprocess module:
- add a note about Process.wait() deadlock
- add a note about shell injection
- etc.
* sort Process methods and attributes in the same order than subprocess.Popen
methods and attributes, so the documentation looks closer
* list differences between Process and subprocess.Popen APIs
2 files changed