diff --git a/docs/test_cases/t00002.md b/docs/test_cases/t00002.md
index 5adadd4d..1e3b2ca5 100644
--- a/docs/test_cases/t00002.md
+++ b/docs/test_cases/t00002.md
@@ -34,12 +34,12 @@ public:
 
 class B : public A {
 public:
-    virtual void foo_a() override {}
+    virtual void foo_a() override { }
 };
 
 class C : public A {
 public:
-    virtual void foo_c() override {}
+    virtual void foo_c() override { }
 };
 
 class D : public B, public C {
diff --git a/docs/test_cases/t00003.md b/docs/test_cases/t00003.md
index 2b0e8783..299fb8b1 100644
--- a/docs/test_cases/t00003.md
+++ b/docs/test_cases/t00003.md
@@ -35,9 +35,9 @@ public:
     A(const A &) = default;
     virtual ~A() = default;
 
-    void basic_method() {}
+    void basic_method() { }
     static int static_method() { return 0; }
-    void const_method() const {}
+    void const_method() const { }
     auto auto_method() { return 1; }
 
     auto double_int(const int i) { return 2 * i; }
@@ -57,7 +57,7 @@ public:
     static const auto auto_member{10UL};
 
 protected:
-    void protected_method() {}
+    void protected_method() { }
 
     int protected_member;
 
@@ -66,7 +66,7 @@ protected:
     };
 
 private:
-    void private_method() {}
+    void private_method() { }
 
     int private_member;
     int a, b, c;
diff --git a/docs/test_cases/t00004.md b/docs/test_cases/t00004.md
index 2a8bf99d..a6f84008 100644
--- a/docs/test_cases/t00004.md
+++ b/docs/test_cases/t00004.md
@@ -25,7 +25,7 @@ namespace t00004 {
 
 class A {
 public:
-    void foo() const {}
+    void foo() const { }
 
     class AA {
     public:
@@ -35,7 +35,7 @@ public:
         };
     };
 
-    void foo2() const {}
+    void foo2() const { }
 };
 }
 }
diff --git a/docs/test_cases/t00011.md b/docs/test_cases/t00011.md
index ea0560e4..35ce8de0 100644
--- a/docs/test_cases/t00011.md
+++ b/docs/test_cases/t00011.md
@@ -34,7 +34,7 @@ template <typename T> class D {
 
 class A {
 private:
-    void foo() {}
+    void foo() { }
     friend class B;
     friend class external::C;
     // TODO
diff --git a/docs/test_cases/t00013.md b/docs/test_cases/t00013.md
index b374935c..c3bc0857 100644
--- a/docs/test_cases/t00013.md
+++ b/docs/test_cases/t00013.md
@@ -48,7 +48,7 @@ class R;
 
 struct D {
     int d;
-    void print(R *r) {}
+    void print(R *r) { }
 };
 
 template <typename T> struct E {
diff --git a/docs/test_cases/t00015.md b/docs/test_cases/t00015.md
index 8c33c9ba..47c773ba 100644
--- a/docs/test_cases/t00015.md
+++ b/docs/test_cases/t00015.md
@@ -28,7 +28,8 @@ class A {
 }
 
 namespace ns2_v0_9_0 {
-class [[deprecated]] A {};
+class [[deprecated]] A {
+};
 }
 
 namespace {
diff --git a/docs/test_cases/t00021.md b/docs/test_cases/t00021.md
index 32390628..2218a661 100644
--- a/docs/test_cases/t00021.md
+++ b/docs/test_cases/t00021.md
@@ -35,20 +35,20 @@ public:
 
 class Visitor1 : public Visitor {
 public:
-    void visit_A(const A &item) const override {}
-    void visit_B(const B &item) const override {}
+    void visit_A(const A &item) const override { }
+    void visit_B(const B &item) const override { }
 };
 
 class Visitor2 : public Visitor {
 public:
-    void visit_A(const A &item) const override {}
-    void visit_B(const B &item) const override {}
+    void visit_A(const A &item) const override { }
+    void visit_B(const B &item) const override { }
 };
 
 class Visitor3 : public Visitor {
 public:
-    void visit_A(const A &item) const override {}
-    void visit_B(const B &item) const override {}
+    void visit_A(const A &item) const override { }
+    void visit_B(const B &item) const override { }
 };
 
 class Item {
@@ -59,12 +59,12 @@ public:
 
 class A : public Item {
 public:
-    void accept(const Visitor &visitor) const override {}
+    void accept(const Visitor &visitor) const override { }
 };
 
 class B : public Item {
 public:
-    void accept(const Visitor &visitor) const override {}
+    void accept(const Visitor &visitor) const override { }
 };
 }
 }
diff --git a/docs/test_cases/t00022.md b/docs/test_cases/t00022.md
index b8b9e1b9..15da0671 100644
--- a/docs/test_cases/t00022.md
+++ b/docs/test_cases/t00022.md
@@ -38,14 +38,14 @@ protected:
 
 class A1 : public A {
 protected:
-    void method1() override {}
-    void method2() override {}
+    void method1() override { }
+    void method2() override { }
 };
 
 class A2 : public A {
 protected:
-    void method1() override {}
-    void method2() override {}
+    void method1() override { }
+    void method2() override { }
 };
 }
 }
diff --git a/docs/test_cases/t00023.md b/docs/test_cases/t00023.md
index f8bef705..606e7aa5 100644
--- a/docs/test_cases/t00023.md
+++ b/docs/test_cases/t00023.md
@@ -31,17 +31,17 @@ public:
 
 class StrategyA : public Strategy {
 public:
-    void algorithm() override {}
+    void algorithm() override { }
 };
 
 class StrategyB : public Strategy {
 public:
-    void algorithm() override {}
+    void algorithm() override { }
 };
 
 class StrategyC : public Strategy {
 public:
-    void algorithm() override {}
+    void algorithm() override { }
 };
 
 class Context {
diff --git a/docs/test_cases/t00024.md b/docs/test_cases/t00024.md
index f4266f2e..9d2b1248 100644
--- a/docs/test_cases/t00024.md
+++ b/docs/test_cases/t00024.md
@@ -33,14 +33,14 @@ public:
 
 class Target1 : public Target {
 public:
-    void m1() override {}
-    void m2() override {}
+    void m1() override { }
+    void m2() override { }
 };
 
 class Target2 : public Target {
 public:
-    void m1() override {}
-    void m2() override {}
+    void m1() override { }
+    void m2() override { }
 };
 
 class Proxy : public Target {
diff --git a/docs/test_cases/t00025.md b/docs/test_cases/t00025.md
index d9cf06dd..de475cf1 100644
--- a/docs/test_cases/t00025.md
+++ b/docs/test_cases/t00025.md
@@ -25,14 +25,14 @@ namespace t00025 {
 
 class Target1 {
 public:
-    void m1() {}
-    void m2() {}
+    void m1() { }
+    void m2() { }
 };
 
 class Target2 {
 public:
-    void m1() {}
-    void m2() {}
+    void m1() { }
+    void m2() { }
 };
 
 template <typename T> class Proxy {
diff --git a/docs/test_cases/t00027.md b/docs/test_cases/t00027.md
index b794cfe3..7b9c36a9 100644
--- a/docs/test_cases/t00027.md
+++ b/docs/test_cases/t00027.md
@@ -36,7 +36,7 @@ class Line : public Shape, public T<Line<>>... {
 public:
     void display() override
     {
-        std::apply([](auto &&... x) { (x.display(), ...); },
+        std::apply([](auto &&...x) { (x.display(), ...); },
             std::forward_as_tuple(T<Line<>>()...));
     }
 };
@@ -46,7 +46,7 @@ class Text : public Shape, public T<Text<>>... {
 public:
     void display() override
     {
-        std::apply([](auto &&... x) { (x.display(), ...); },
+        std::apply([](auto &&...x) { (x.display(), ...); },
             std::forward_as_tuple(T<Text<>>()...));
     }
 };
@@ -57,12 +57,12 @@ struct ShapeDecorator {
 
 template <typename T> class Color : public ShapeDecorator {
 public:
-    void display() override {}
+    void display() override { }
 };
 
 template <typename T> class Weight : public ShapeDecorator {
 public:
-    void display() override {}
+    void display() override { }
 };
 
 struct Window {
diff --git a/docs/test_cases/t20001.md b/docs/test_cases/t20001.md
index d24a578a..18bf4669 100644
--- a/docs/test_cases/t20001.md
+++ b/docs/test_cases/t20001.md
@@ -43,7 +43,7 @@ struct C {
 
 class A {
 public:
-    A() {}
+    A() { }
 
     int add(int x, int y) { return m_c.add(x, y); }
 
@@ -58,7 +58,7 @@ public:
         return res;
     }
 
-    void log_result(int r) {}
+    void log_result(int r) { }
 
 private:
     detail::C m_c{};