Small cleanups

src/Data/Syntax.hs

@@ -130,7 +130,7 @@ instance Show1 Program where liftShowsPrec = genericLiftShowsPrec
 instance Evaluatable Program where
   eval (Program statements) = eval statements
 
--- | Imperative sequence of statements/declarations
+-- | Imperative sequence of statements/declarations s.t.:
 --
 --   1. Each statement’s effects on the store are accumulated;
 --   2. Each statement can affect the environment of later statements (e.g. by 'modify'-ing the environment); and

src/Language/PHP/Assignment.hs

@@ -138,8 +138,7 @@ type Syntax = '[
   , Syntax.UseClause
   , Syntax.VariableName
   , Type.Annotation
-  , []
-  ]
+  , [] ]
 
 type Term = Term.Term (Sum Syntax) (Record Location)
 type Assignment = Assignment.Assignment [] Grammar Term

src/Language/Python/Assignment.hs

@@ -174,7 +174,6 @@ expressionChoices =
   , yield
   ]
 
-
 expressions :: Assignment
 expressions = makeTerm'' <$> location <*> manyTerm expression