Remove trailing whitespace.

docs/contributing.rst

@@ -84,8 +84,8 @@ internally.
 
 .. note ::
 
-    Those working in a Windows environment wanting to run the above basic sets without aleth or libz3 in Git Bash, you would have to do: ``./build/test/RelWithDebInfo/soltest.exe -- --no-ipc --no-smt``. 
-    If you're running this in plain Command Prompt, use ``.\build\test\RelWithDebInfo\soltest.exe -- --no-ipc --no-smt``. 
+    Those working in a Windows environment wanting to run the above basic sets without aleth or libz3 in Git Bash, you would have to do: ``./build/test/RelWithDebInfo/soltest.exe -- --no-ipc --no-smt``.
+    If you're running this in plain Command Prompt, use ``.\build\test\RelWithDebInfo\soltest.exe -- --no-ipc --no-smt``.
 
 The option ``--no-smt`` disables the tests that require ``libz3`` and
 ``--no-ipc`` disables those that require ``aleth``.

libsolidity/parsing/Parser.cpp

@@ -1556,7 +1556,7 @@ ASTPointer<Expression> Parser::parsePrimaryExpression()
 	}
 	case Token::IllegalHex:
 		fatalParserError("Expected even number of hex-nibbles within double-quotes.");
-		break;		
+		break;
 	default:
 		if (TokenTraits::isElementaryTypeName(token))
 		{

test/libyul/yulOptimizerTests/varDeclPropagator/multi_assignment_vardecl.yul

@@ -1,6 +1,6 @@
 {
   function f() -> a, b, c {}
-  let x, y, z 
+  let x, y, z
   z, x, y := f()
 }
 // ----

test/libyul/yulOptimizerTests/varDeclPropagator/simple1.yul

@@ -1,5 +1,5 @@
 {
-  let f 
+  let f
   f := mload(0)
 }
 // ----