Print package symbols always under their full names

Author: odersky

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

@@ -438,6 +438,7 @@ class PlainPrinter(_ctx: Context) extends Printer {
     (kindString(sym) ~~ {
       if (sym.isAnonymousClass) toTextParents(sym.info.parents) ~~ "{...}"
       else if (hasMeaninglessName(sym) && !printDebug) simpleNameString(sym.owner) + idString(sym)
+      else if sym.is(Package) then fullNameString(sym)
       else nameString(sym)
     }).close
 

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

@@ -900,6 +900,8 @@ class RefinedPrinter(_ctx: Context) extends PlainPrinter(_ctx) {
     def name =
       if (printDebug)
         nameString(sym)
+      else if sym.is(Package) then
+        fullNameString(sym)
       else if (sym.is(ModuleClass) && sym.isPackageObject && sym.name.stripModuleClassSuffix == tpnme.PACKAGE)
         nameString(sym.owner.name)
       else if (sym.is(ModuleClass))