Grammar fixes, whitespace cleanup, flow fixes

Author: rgbkrk

docs/dev/env.rst

@@ -97,8 +97,8 @@ already an Emacs user is `Python Programming in Emacs`_ at EmacsWiki.
 1. Emacs itself comes with a python mode.
 2. Python ships with an alternate version:
    `python-mode.el <https://launchpad.net/python-mode>`_
-3. Fabián Ezequiel Gallina's provides nice functionality and
-   behavior out of the box: `python.el <https://github.com/fgallina/python.el>`_
+3. Fabián Ezequiel Gallina's `python.el <https://github.com/fgallina/python.el>`_
+   provides nice functionality and behavior out of the box
 
 .. _Python Programming in Emacs: http://emacswiki.org/emacs/PythonProgrammingInEmacs
 
@@ -141,16 +141,15 @@ The most popular Eclipse plugin for Python development is Aptana's
 Komodo IDE
 ----------
 `Komodo IDE <http://www.activestate.com/komodo-ide>`_ is developed by
-ActiveState and is a commercial IDE for Windows, Mac
-and Linux.
+ActiveState and is a commercial IDE for Windows, Mac and Linux.
 
 
 Spyder
 ------
 
-`Spyder <http://code.google.com/p/spyderlib/>`_ an IDE specifically geared
+`Spyder <http://code.google.com/p/spyderlib/>`_ is an IDE specifically geared
 toward working with scientific python libraries (namely `Scipy <http://www.scipy.org/>`_).
-Includes integration with pyflakes_, `pylint <http://www.logilab.org/857>`_,
+It includes integration with pyflakes_, `pylint <http://www.logilab.org/857>`_,
 and `rope <http://rope.sourceforge.net/>`_.
 
 Spyder is open-source (free), offers code completion, syntax highlighting,
@@ -160,15 +159,15 @@ class and function browser, and object inspection.
 WingIDE
 -------
 
-`WingIDE <http://wingware.com/>`_ a python specific IDE.   Runs for Linux,
+`WingIDE <http://wingware.com/>`_ is a python specific IDE. It runs on Linux,
 Windows, and Mac (as an X11 application, which frustrates some Mac users).
 
 
 NINJA-IDE
 ---------
 
 `NINJA-IDE <http://www.ninja-ide.org/>`_ (from the recursive acronym: "Ninja-IDE
-Is Not Just Another IDE", is a cross-platform IDE, specially designed to build
+Is Not Just Another IDE") is a cross-platform IDE, specially designed to build
 Python applications, and runs on Linux/X11, Mac OS X and Windows desktop operating
 systems. Installers for these platforms can be downloaded from the website.
 
@@ -207,7 +206,7 @@ library which you can use to install other packages. The name of the
 virtual environment (in this case, it was ``venv``) can be anything;
 omitting the name will place the files in the current directory instead.
 
-In order the start using the virtual environment, run::
+To start using the virtual environment, run::
 
     $ source venv/bin/activate
 
@@ -284,12 +283,12 @@ IDLE
 
 `IDLE <http://docs.python.org/library/idle.html>`_ is an integrated
 development environment that is part of Python standard library. It is
-completely written in Python and uses Tkinter GUI toolkit. Though IDLE
-is not suited for full-blown development using Python , it is quite
+completely written in Python and uses the Tkinter GUI toolkit. Though IDLE
+is not suited for full-blown development using Python, it is quite
 helpful to try out small Python snippets and experiment with different
 features in Python.
 
-It provides following features:
+It provides the following features:
 
 * Python Shell Window (interpreter)
 * Multi window text editor that colorizes Python code