Fix #41

src/dfmt.d

@@ -335,7 +335,8 @@ private:
                 break;
             case tok!"is":
                 writeToken();
-                write(" ");
+                if (!currentIs(tok!"("))
+                    write(" ");
                 break;
             default:
                 if (index + 1 < tokens.length)

tests/issue0041.d

@@ -0,0 +1,3 @@
+static if (is (typeof(T.init.apply(fp, null))))
+{
+}

tests/issue0041.d.ref

@@ -0,0 +1,3 @@
+static if (is(typeof(T.init.apply(fp, null))))
+{
+}