--- jsr166/src/jsr166y/ForkJoinTask.java	2009/08/05 23:37:32	1.41
+++ jsr166/src/jsr166y/ForkJoinTask.java	2009/10/22 08:19:44	1.45
@@ -56,9 +56,9 @@ import java.util.WeakHashMap;
  * exceptions such as {@code IOExceptions} to be thrown. However,
  * computations may still encounter unchecked exceptions, that are
  * rethrown to callers attempting to join them. These exceptions may
- * additionally include RejectedExecutionExceptions stemming from
- * internal resource exhaustion such as failure to allocate internal
- * task queues.
+ * additionally include {@link RejectedExecutionException} stemming
+ * from internal resource exhaustion, such as failure to allocate
+ * internal task queues.
  *
  * <p>The primary method for awaiting completion and extracting
  * results of a task is {@link #join}, but there are several variants:
@@ -80,16 +80,14 @@ import java.util.WeakHashMap;
  * <p>The execution status of tasks may be queried at several levels
  * of detail: {@link #isDone} is true if a task completed in any way
  * (including the case where a task was cancelled without executing);
- * {@link #isCancelled} is true if completion was due to cancellation;
  * {@link #isCompletedNormally} is true if a task completed without
- * cancellation or encountering an exception; {@link
- * #isCompletedExceptionally} is true if if the task encountered an
- * exception (in which case {@link #getException} returns the
- * exception); {@link #isCancelled} is true if the task was cancelled
- * (in which case {@link #getException} returns a {@link
- * java.util.concurrent.CancellationException}); and {@link
- * #isCompletedAbnormally} is true if a task was either cancelled or
- * encountered an exception.
+ * cancellation or encountering an exception; {@link #isCancelled} is
+ * true if the task was cancelled (in which case {@link #getException}
+ * returns a {@link java.util.concurrent.CancellationException}); and
+ * {@link #isCompletedAbnormally} is true if a task was either
+ * cancelled or encountered an exception, in which case {@link
+ * #getException} will return either the encountered exception or
+ * {@link java.util.concurrent.CancellationException}.
  *
  * <p>The ForkJoinTask class is not usually directly subclassed.
  * Instead, you subclass one of the abstract classes that support a
@@ -513,6 +511,11 @@ public abstract class ForkJoinTask<V> im
      * Arranges to asynchronously execute this task.  While it is not
      * necessarily enforced, it is a usage error to fork a task more
      * than once unless it has completed and been reinitialized.
+     * Subsequent modifications to the state of this task or any data
+     * it operates on are not necessarily consistently observable by
+     * any thread other than the one executing it unless preceded by a
+     * call to {@link #join} or related methods, or a call to {@link
+     * #isDone} returning {@code true}.
      *
      * <p>This method may be invoked only from within {@code
      * ForkJoinTask} computations (as may be determined using method
@@ -755,15 +758,6 @@ public abstract class ForkJoinTask<V> im
     }
 
     /**
-     * Returns {@code true} if this task threw an exception.
-     *
-     * @return {@code true} if this task threw an exception
-     */
-    public final boolean isCompletedExceptionally() {
-        return (status & COMPLETION_MASK) == EXCEPTIONAL;
-    }
-
-    /**
      * Returns the exception thrown by the base computation, or a
      * {@code CancellationException} if cancelled, or {@code null} if
      * none or if the method has not yet completed.
@@ -787,9 +781,9 @@ public abstract class ForkJoinTask<V> im
      * overridable, but overridden versions must invoke {@code super}
      * implementation to maintain guarantees.
      *
-     * @param ex the exception to throw. If this exception is
-     * not a RuntimeException or Error, the actual exception thrown
-     * will be a RuntimeException with cause ex.
+     * @param ex the exception to throw. If this exception is not a
+     * {@code RuntimeException} or {@code Error}, the actual exception
+     * thrown will be a {@code RuntimeException} with cause {@code ex}.
      */
     public void completeExceptionally(Throwable ex) {
         setDoneExceptionally((ex instanceof RuntimeException) ||
@@ -1225,7 +1219,7 @@ public abstract class ForkJoinTask<V> im
     private static final long serialVersionUID = -7721805057305804111L;
 
     /**
-     * Save the state to a stream.
+     * Saves the state to a stream.
      *
      * @serialData the current run status and the exception thrown
      * during execution, or {@code null} if none
@@ -1238,7 +1232,7 @@ public abstract class ForkJoinTask<V> im
     }
 
     /**
-     * Reconstitute the instance from a stream.
+     * Reconstitutes the instance from a stream.
      *
      * @param s the stream
      */