updated text-transform per https://www.w3.org/TR/2018/WD-css-text-3-20181212/#white-space-property , see #220

Author: ylafon

org/w3c/css/properties/css3/CssWhiteSpace.java

@@ -1,6 +1,6 @@
 // Author: Yves Lafon <ylafon@w3.org>
 //
-// (c) COPYRIGHT MIT, ERCIM and Keio University, 2012.
+// (c) COPYRIGHT MIT, ERCIM and Keio University, Beihang, 2012.
 // Please first read the full copyright statement in file COPYRIGHT.html
 package org.w3c.css.properties.css3;
 
@@ -12,7 +12,7 @@
 import org.w3c.css.values.CssValue;
 
 /**
- * @spec https://www.w3.org/TR/2017/WD-css-text-3-20170822/#white-space-property
+ * @spec https://www.w3.org/TR/2018/WD-css-text-3-20181212/#white-space-property
  */
 public class CssWhiteSpace extends org.w3c.css.properties.css.CssWhiteSpace {
 
@@ -21,7 +21,7 @@ public class CssWhiteSpace extends org.w3c.css.properties.css.CssWhiteSpace {
 
     static {
         String[] WHITESPACE = {
-                "normal", "pre", "nowrap", "pre-wrap", "pre-line"
+                "normal", "pre", "nowrap", "pre-wrap", "break-spaces", "pre-line"
         };
         allowed_values = new CssIdent[WHITESPACE.length];
         int i = 0;