Bug 66923 [typing]Can delete word (Ctrl-Backspace) on read only file
When you open read-only java file, all editing functions are disabled except deleting with Ctrl-Backspace and Ctrl-Del, then it is imposible to save this file. On simple text file it works ok - it blocks all edditing functions (including Ctrl-Backspace). I am using build 200406111814
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/JavaEditor.java
String s= (String) fOptions.get(name);
			if (s != null)
				value= s.equals(TRUE);
			return value;
		}
		/**
		 * {@inheritDoc}
		 */
		public boolean getDefaultBoolean(String name) {
			return BOOLEAN_DEFAULT_DEFAULT;
		}
		/**
		 * {@inheritDoc}
		 */
		public double getDefaultDouble(String name) {
			return DOUBLE_DEFAULT_DEFAULT;
		}
		/**
		 * {@inheritDoc}
		 */
		public float getDefaultFloat(String name) {
			return FLOAT_DEFAULT_DEFAULT;
		}
		/**
		 * {@inheritDoc}
		 */
		public int getDefaultInt(String name) {
			return INT_DEFAULT_DEFAULT;
		}
		/**