1 files changed, 21 insertions, 0 deletions

diff --git a/sources/scala/xml/Utility.scala b/sources/scala/xml/Utility.scala
index 2737e75d58..29314774e4 100644
--- a/sources/scala/xml/Utility.scala
+++ b/sources/scala/xml/Utility.scala
@@ -190,6 +190,27 @@ object Utility extends AnyRef with parsing.TokenTests {
     sb.append(ch).append(s).append(ch)
   }
 
+
+  /**
+   * Appends "s" if s does not contain ", 's'
+   * otherwise, and replaces < and &
+   *
+   * @param s
+   * @param sb
+   */
+  def appendAttributeValue(s: String, sb: StringBuffer) = {
+    val ch = if (s.indexOf('"') == -1) '"' else '\'';
+    sb.append(ch);
+    val ss: Seq[Char] = s;
+    val it = ss.elements;
+    while(it.hasNext) it.next match {
+      case '<' => sb.append("&lt;");
+      case '&' => sb.append("&amp;");
+      case x   => sb.append(x);
+    }
+    sb.append(ch)
+  }
+
   /**
    * Appends &quot;s&quot; and escapes and &quot; i s with \&quot;
    *