scala.xml.dtd.ParsedEntityDecl: toString method not overridden

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The toString method is not correctly overridden for scala.xml.dtd.ParsedEntityDecl and related EntityDeclarations, causing an incorrect DocType to be generated

Workaround for 2.7.7: create a local class that overrides toString:

 class PE(name: String, entdef: EntityDef) extends scala.xml.dtd.ParsedEntityDecl(name, entdef) {
    override def toString : String = {
      val sb = new StringBuilder()
      
      return this.toString(sb).toString
    }
  } 

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Imported From: https://issues.scala-lang.org/browse/SI-3246?orig=1
Reporter: Marc Kster (mwkuster)

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Marc Kster (mwkuster) said:
This problem is quite similar to https://lampsvn.epfl.ch/trac/scala/ticket/1620

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@acruise said:
I haven't touched a DTD in years, is there any way you can give us a self-contained test?

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@SethTisue said:
The scala-xml library is now community-maintained. Issues with it are now tracked at https://github.com/scala/scala-xml/issues instead of here in the Scala JIRA.

Interested community members: if you consider this issue significant, feel free to open a new issue for it on GitHub, with links in both directions.