Fix spacing after toTextParents

Author: OlivierBlanvillain

compiler/src/dotty/tools/dotc/printing/PlainPrinter.scala

@@ -343,7 +343,7 @@ class PlainPrinter(_ctx: Context) extends Printer {
         val declsText =
           if (trueDecls.isEmpty || !ctx.settings.Ydebug.value) Text()
           else dclsText(trueDecls)
-        tparamsText ~ " extends " ~ toTextParents(tp.parents) ~ "{" ~ selfText ~ declsText ~
+        tparamsText ~ " extends " ~ toTextParents(tp.parents) ~~ "{" ~ selfText ~ declsText ~
           "} at " ~ preText
       case mt: MethodType =>
         toTextGlobal(mt)
@@ -424,7 +424,7 @@ class PlainPrinter(_ctx: Context) extends Printer {
 
   def toText(sym: Symbol): Text =
     (kindString(sym) ~~ {
-      if (sym.isAnonymousClass) toText(sym.info.parents, " with ") ~ "{...}"
+      if (sym.isAnonymousClass) toTextParents(sym.info.parents) ~~ "{...}"
       else if (hasMeaninglessName(sym)) simpleNameString(sym.owner) + idString(sym)
       else nameString(sym)
     }).close

compiler/src/dotty/tools/dotc/printing/RefinedPrinter.scala

@@ -212,7 +212,7 @@ class RefinedPrinter(_ctx: Context) extends PlainPrinter(_ctx) {
       case ErasedValueType(tycon, underlying) =>
         return "ErasedValueType(" ~ toText(tycon) ~ ", " ~ toText(underlying) ~ ")"
       case tp: ClassInfo =>
-        return toTextParents(tp.parents) ~ "{...}"
+        return toTextParents(tp.parents) ~~ "{...}"
       case JavaArrayType(elemtp) =>
         return toText(elemtp) ~ "[]"
       case tp: AnnotatedType if homogenizedView =>