Revert "Fix SI-5645 Don't escape quotes in PCDATA"

jvm/src/test/scala/scala/xml/XMLTest.scala

@@ -315,10 +315,7 @@ class XMLTestJVM {
     val inputStream = new java.io.ByteArrayInputStream(outputStream.toByteArray)
     val streamReader = new java.io.InputStreamReader(inputStream, XML.encoding)
 
-    def unescapeQuotes(str: String) = 
-      """.r.replaceFirstIn(str, "\"")
-    val xmlFixed = unescapeQuotes(xml.toString)
-    assertEquals(xmlFixed, XML.load(streamReader).toString)
+    assertEquals(xml.toString, XML.load(streamReader).toString)
   }
 
   @UnitTest

shared/src/main/scala/scala/xml/Text.scala

@@ -27,7 +27,7 @@ class Text(data: String) extends Atom[String](data) {
    *  specification.
    */
   override def buildString(sb: StringBuilder): StringBuilder =
-    Utility.escapeText(data, sb)
+    Utility.escape(data, sb)
 }
 
 /**

shared/src/main/scala/scala/xml/Utility.scala

@@ -131,20 +131,6 @@ object Utility extends AnyRef with parsing.TokenTests {
     }
   }
 
-  /**
-   * Appends escaped string to `s`, but not ".
-   */
-  final def escapeText(text: String, s: StringBuilder): StringBuilder = {
-    val escTextMap = escMap - '"' // Remove quotes from escMap
-    text.iterator.foldLeft(s) { (s, c) =>
-      escTextMap.get(c) match {
-        case Some(str)                             => s ++= str
-        case _ if c >= ' ' || "\n\r\t".contains(c) => s += c
-        case _ => s // noop
-      }
-    }
-  }
-
   /**
    * Appends unescaped string to `s`, `amp` becomes `&`,
    * `lt` becomes `<` etc..

shared/src/test/scala/scala/xml/XMLTest.scala

@@ -256,10 +256,10 @@ class XMLTest {
   @UnitTest
   def escape =
     assertEquals("""
- "Come, come again, whoever you are, come!
+ "Come, come again, whoever you are, come!
 Heathen, fire worshipper or idolatrous, come!
 Come even if you broke your penitence a hundred times,
-Ours is the portal of hope, come as you are."
+Ours is the portal of hope, come as you are."
                               Mevlana Celaleddin Rumi""", <![CDATA[
  "Come, come again, whoever you are, come!
 Heathen, fire worshipper or idolatrous, come!
@@ -422,22 +422,6 @@ Ours is the portal of hope, come as you are."
     assertHonorsIterableContract(<a a="" y={ null: String }/>.attributes)
   }
 
-  @UnitTest
-  def t5645: Unit = {
-
-    val bar = "baz"
-    val script = <script type="text/javascript">
-      foo("{bar}");
-    </script>
-
-    val expected =
-      """|<script type="text/javascript">
-         |      foo("baz");
-         |    </script>""".stripMargin
-
-    assertEquals(expected, script.toString)
-  }
-
   @UnitTest
   def t5843: Unit = {
     val foo = scala.xml.Attribute(null, "foo", "1", scala.xml.Null)