Small fixes

Author: odersky

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

@@ -1502,7 +1502,7 @@ object Parsers {
     def typedFunParam(start: Offset, name: TermName, mods: Modifiers = EmptyModifiers): ValDef =
       atSpan(start) {
         accept(COLON)
-        makeParameter(name, typ(), mods | Param)
+        makeParameter(name, typ(), mods)
       }
 
     /**  FunParamClause ::=  ‘(’ TypedFunParam {‘,’ TypedFunParam } ‘)’

docs/docs/internals/syntax.md

@@ -322,7 +322,7 @@ ClosureMods       ::=  { ‘implicit’ | ‘given’}
 
 ### Bindings and Imports
 ```ebnf
-Bindings          ::=  ‘(’ [[‘using’] Binding {‘,’ Binding}] ‘)’
+Bindings          ::=  ‘(’ [Binding {‘,’ Binding}] ‘)’
 Binding           ::=  (id | ‘_’) [‘:’ Type]                                    ValDef(_, id, tpe, EmptyTree)
 
 Modifier          ::=  LocalModifier