Merge pull request #15346 from lampepfl/language-reference-backport

Backport changes from stable documentation branch

Author: julienrf

docs/_docs/reference/experimental/main-annotation.md

@@ -89,9 +89,9 @@ import scala.util.CommandLineParser.FromString[T]
   def run(program: () => Int): Unit =
     println("executing program")
 
-    try {
-      val result = program()
-      println("result: " + result)
-      println("executed program")
+    val result = program()
+    println("result: " + result)
+    println("executed program")
+    
 end myMain
 ```