[CodeReview]

Author: karolchmist

compiler/src/dotty/tools/dotc/parsing/Parsers.scala

@@ -2496,7 +2496,7 @@ object Parsers {
           }
         else if (!isStatSep && (in.token != CASE)) {
           exitOnError = mustStartStat
-          syntaxErrorOrIncomplete(IllegalStartOfStatement(isModifier = isModifier))
+          syntaxErrorOrIncomplete(IllegalStartOfStatement(isModifier))
         }
         acceptStatSepUnlessAtEnd(CASE)
       }

compiler/src/dotty/tools/dotc/reporting/diagnostic/messages.scala

@@ -1882,12 +1882,10 @@ object messages {
 
   case class IllegalStartOfStatement(isModifier: Boolean)(implicit ctx: Context) extends Message(IllegalStartOfStatementID) {
     val kind = "Syntax"
-    private val addendum = if(isModifier) "(no modifiers allowed here)" else ""
-    val msg = hl"Illegal start of statement $addendum"
-    val explanation = hl"""
-      | Expected an import, a statement or an expression at the start of a statement.
-      | For a detailed list of allowed statements, please consult the syntax of BlockStat at http://dotty.epfl.ch/docs/internals/syntax.html#expressions
-    """
-
+    val msg = {
+      val addendum = if(isModifier) "(no modifiers allowed here)" else ""
+      hl"Illegal start of statement $addendum"
+    }
+    val explanation = hl"A statement is either an import, a definition or an expression."
   }
 }

compiler/test/dotty/tools/dotc/reporting/ErrorMessagesTests.scala

@@ -1140,7 +1140,6 @@ class ErrorMessagesTests extends ErrorMessagesTest {
         |  { ) }
         |  { private ) }
         |}
-        |
       """.stripMargin
     }
       .expect { (ictx, messages) =>