Applied review comments

Updated test check files and Markdown syntax used in Scaladoc

Author: mucciolo

compiler/src/dotty/tools/dotc/core/Types.scala

@@ -3471,11 +3471,8 @@ object Types {
     }
 
     /** Returns the set of non-union (leaf) types composing this union tree with Nothing types
-     *  absorbed by other types, if present.
-     *  For example:
-     *  {{{A | B | C | B | (A & (B | C)) | Nothing}}}
-     *  returns
-     *  {{{Set(A, B, C, (A & (B | C)))}}}
+     *  absorbed by other types, if present. For example:<br>
+     *  `(A | B | C | B | (A & (B | C)) | Nothing)` returns `Set(A, B, C, (A & (B | C)))`.
      */
     private def gatherTreeUniqueMembersAbsorbingNothingTypes(using Context): Set[Type] = {
       (tp1, tp2) match

tests/printing/i10693.check

@@ -1,22 +1,22 @@
 [[syntax trees at end of                     typer]] // tests/printing/i10693.scala
 package <empty> {
   final lazy module val i10693$package: i10693$package = new i10693$package()
-  final module class i10693$package() extends Object() { 
+  final module class i10693$package() extends Object() {
     this: i10693$package.type =>
     def test[A >: Nothing <: Any, B >: Nothing <: Any](a: A, b: B): A | B = a
     val v0: String | Int = test[String, Int]("string", 1)
     val v1: Int | String = test[Int, String](1, "string")
-    val v2: String | Int = test[(String | Int), (Int | String)](v0, v1)
-    val v3: Int | String = test[(Int | String), (String | Int)](v1, v0)
-    val v4: String | Int = test[(String | Int), (Int | String)](v2, v3)
-    val v5: Int | String = test[(Int | String), (String | Int)](v3, v2)
-    val v6: String | Int = test[(String | Int), (Int | String)](v4, v5)
+    val v2: String | Int = test[String | Int, Int | String](v0, v1)
+    val v3: Int | String = test[Int | String, String | Int](v1, v0)
+    val v4: String | Int = test[String | Int, Int | String](v2, v3)
+    val v5: Int | String = test[Int | String, String | Int](v3, v2)
+    val v6: String | Int = test[String | Int, Int | String](v4, v5)
     val t0: List[Int] = Tuple1.apply[Int](1).toList
     val t1: List[Int] = Tuple2.apply[Int, Int](1, 2).toList
     val t2: List[Int] = Tuple3.apply[Int, Int, Int](1, 2, 3).toList
-    val t3: List[Int | String] = 
+    val t3: List[Int | String] =
       Tuple3.apply[String, Int, Int]("A", 2, 3).toList
-    val t4: List[String | Int] = 
+    val t4: List[String | Int] =
       Tuple3.apply[Int, String, String](1, "B", "C").toList
   }
 }