Fix whitespace in docs

CONTRIBUTING.md

@@ -142,7 +142,7 @@ and should be written in the body of the ticket or PR under their own heading, l
 For instance:
 
 > \#\# QA Notes
-> 
+>
 > Calling `cabal haddock-project` should produce documentation for the whole cabal project with the following defaults enabled:
 > * Documentation lives in ./haddocks
 > * The file `./haddocks/index.html` should exist
@@ -408,7 +408,7 @@ Running workflow manually as discussed above requires you to supply two inputs:
 
 Going via an example, imagine that Cabal only allows `tar` or version less then
 or equal to 0.6, and you want to bump it to 0.6. Then, to show that Validate
-succeeds with `tar` 0.6, you should input 
+succeeds with `tar` 0.6, you should input
 
 - `tar` to the "allow-newer line"
 - `tar ==0.6` to the "constraints line"

README.md

@@ -43,15 +43,15 @@ Currently, we only provide binaries for `x86_64` platforms.
     ```
 
     Replace "Linux" with "Windows" or "macOS" as appropriate.
-    
+
     The default Linux build is dynamically linked against `zlib`, `gmp` and `glibc`.
     You will need to have appropriate versions of these libraries installed to use it.
     Alternatively a statically linked "Linux-static" binary is also provided.
 
     You might need to add the following to your `cabal.project` file
     if your build fails because of an out-of-date `Cabal` library:
     ```
-    allow-newer: 
+    allow-newer:
       *:Cabal,
       *:Cabal-syntax
 

doc/cabal-commands.rst

@@ -1381,8 +1381,8 @@ to Hackage.
 
 .. option:: -t TOKEN or -tTOKEN, --token=TOKEN
 
-    Your Hackage authentication token. You can create and delete 
-    authentication tokens on Hackage's `account management page 
+    Your Hackage authentication token. You can create and delete
+    authentication tokens on Hackage's `account management page
     <https://hackage.haskell.org/users/account-management>`__.
 
 .. option:: -u USERNAME or -uUSERNAME, --username=USERNAME
@@ -1416,8 +1416,8 @@ cabal report
 
 .. option:: -t TOKEN or -tTOKEN, --token=TOKEN
 
-    Your Hackage authentication token. You can create and delete 
-    authentication tokens on Hackage's `account management page 
+    Your Hackage authentication token. You can create and delete
+    authentication tokens on Hackage's `account management page
     <https://hackage.haskell.org/users/account-management>`__.
 
 .. option:: -u USERNAME or -uUSERNAME, --username=USERNAME

doc/getting-started.rst

@@ -4,16 +4,16 @@ Getting Started
 Installing Cabal
 ----------------
 
-The easiest and recommended way to install the ``cabal`` command-line tool 
-on Linux, macOS, FreeBSD or Windows is through `ghcup <https://www.haskell.org/ghcup/>`__. 
+The easiest and recommended way to install the ``cabal`` command-line tool
+on Linux, macOS, FreeBSD or Windows is through `ghcup <https://www.haskell.org/ghcup/>`__.
 It installs the “Haskell toolchain”, which includes Cabal,
-the Haskell compiler `GHC <https://www.haskell.org/ghc/>`__ 
+the Haskell compiler `GHC <https://www.haskell.org/ghc/>`__
 and optionally other useful Haskell tools.
 
 Creating a new application
 --------------------------
 
-We create a minimal Haskell application to get a quick overview 
+We create a minimal Haskell application to get a quick overview
 of the ``cabal`` command-line tool:
 
 1. How to initialize a Haskell package.
@@ -59,9 +59,9 @@ The ``myapp.cabal`` file is a package description file, commonly referred to as
         default-language: Haskell2010
 
 It contains metadata (package name and version, author name, license, etc.) and sections
-to define package components. Components can be used to split large codebases into smaller, 
+to define package components. Components can be used to split large codebases into smaller,
 more managable building blocks.
-A component can be of one of several types (executable, library, etc.) and describes, 
+A component can be of one of several types (executable, library, etc.) and describes,
 among other things, the location of source files and its dependencies.
 The ``myapp.cabal`` file above defines a single component named ``myapp`` of the executable type.
 Inside the ``executable`` section, the ``build-depends`` field lists the dependencies of this component.
@@ -77,7 +77,7 @@ The ``app/Main.hs`` file is where your executable's code lives:
     main = putStrLn "Hello, Haskell!"
 
 
-To run the executable, switch into the application directory with ``cd myapp`` and  run 
+To run the executable, switch into the application directory with ``cd myapp`` and  run
 
 .. code-block:: console
 
@@ -86,7 +86,7 @@ To run the executable, switch into the application directory with ``cd myapp`` a
      Hello, Haskell!
 
 This command automatically determines if the executable needs to be (re)built
-before running the executable. With only one executable component in the package, 
+before running the executable. With only one executable component in the package,
 ``cabal run`` (without a component name) is smart enough to infer it, so the name can be omitted.
 
 If you just want to build the executable without running it, run:
@@ -181,11 +181,11 @@ Now you can build and re-run your code to see the new output:
 Running a single-file Haskell script
 ------------------------------------
 
-Cabal also supports running single-file Haskell scripts like 
+Cabal also supports running single-file Haskell scripts like
 the following file named ``myscript``:
 
 .. code-block:: haskell
-    
+
     #!/usr/bin/env cabal
     {- cabal:
     build-depends: