#2119. Fix typos in descriptions (#3109)

Author: sgrekhov

LanguageFeatures/Constructor-tear-offs/expression_A03_t01.dart

@@ -12,8 +12,8 @@
 /// the current implicitly instantiated method tear-off except that the types
 /// are provided instead of inferred.
 ///
-/// @description Checks that if e denotes a generic instance method then then
-/// e<typeArgs> performs an explicitly instantiated method tear-off
+/// @description Checks that if `e` denotes a generic instance method, then
+/// `e<typeArgs>` performs an explicitly instantiated method tear-off.
 /// @author [email protected]
 
 import "../../Utils/expect.dart";

LanguageFeatures/Constructor-tear-offs/expression_A03_t02.dart

@@ -12,8 +12,8 @@
 /// the current implicitly instantiated method tear-off except that the types
 /// are provided instead of inferred.
 ///
-/// @description Checks that if e denotes a generic instance method then then
-/// e<typeArgs> performs an explicitly instantiated method tear-off
+/// @description Checks that if `e` denotes a generic instance method, then
+/// `e<typeArgs>` performs an explicitly instantiated method tear-off.
 /// @author [email protected]
 
 import "../../Utils/expect.dart";

LanguageFeatures/Constructor-tear-offs/expression_A04_t01.dart

@@ -10,8 +10,8 @@
 /// non-function type with a generic method named call), then e<typeArgs> is
 /// equivalent to the instantiated method-tear off e.call<typeArgs>.
 ///
-/// @description Checks that if e denotes a generic instance method then then
-/// e<typeArgs> performs an explicitly instantiated method tear-off
+/// @description Checks that if `e` denotes a generic instance method, then
+/// `e<typeArgs>` performs an explicitly instantiated method tear-off.
 /// @author [email protected]
 
 import "../../Utils/expect.dart";

LanguageFeatures/Constructor-tear-offs/expression_A04_t02.dart

@@ -10,8 +10,8 @@
 /// non-function type with a generic method named call), then e<typeArgs> is
 /// equivalent to the instantiated method-tear off e.call<typeArgs>.
 ///
-/// @description Checks that if e denotes a generic instance method then then
-/// e<typeArgs> performs an explicitly instantiated method tear-off
+/// @description Checks that if `e` denotes a generic instance method, then
+/// `e<typeArgs>` performs an explicitly instantiated method tear-off.
 /// @author [email protected]
 
 import "../../Utils/expect.dart";

LanguageFeatures/Constructor-tear-offs/expression_A04_t03.dart

@@ -10,8 +10,8 @@
 /// non-function type with a generic method named call), then e<typeArgs> is
 /// equivalent to the instantiated method-tear off e.call<typeArgs>.
 ///
-/// @description Checks that if e denotes a generic instance method then then
-/// e<typeArgs> performs an explicitly instantiated method tear-off
+/// @description Checks that if `e` denotes a generic instance method, then
+/// `e<typeArgs>` performs an explicitly instantiated method tear-off.
 /// @author [email protected]
 
 import "../../Utils/expect.dart";

LanguageFeatures/Static-access-shorthand/type_inference_A02_t01.dart

@@ -13,7 +13,7 @@
 ///
 /// @description Checks that if a shorthand context type schema has one of the
 /// forms `const .id(arguments)`, or `const .new(arguments)`, `D` is the
-/// declaration denoted by the shorthand context then then the shorthand context
+/// declaration denoted by the shorthand context then the shorthand context
 /// denotes the type declaration `D`. Test a class.
 /// @author [email protected]
 

LanguageFeatures/Static-access-shorthand/type_inference_A02_t02.dart

@@ -13,7 +13,7 @@
 ///
 /// @description Checks that if a shorthand context type schema has one of the
 /// forms `const .id(arguments)`, or `const .new(arguments)`, `D` is the
-/// declaration denoted by the shorthand context then then the shorthand context
+/// declaration denoted by the shorthand context then the shorthand context
 /// denotes the type declaration `D`. Test an extension type.
 /// @author [email protected]