Fix bug in URLConnection and correct javadoc annotations in StringBuffer.

From-SVN: r38781

libjava/ChangeLog

+2001-01-07  Anthony Green  <green@redhat.com>
+
+	* java/net/URLConnection.java (setDoOutput): URLConnection's may
+	be used for both input and output, so don't clear doInput.
+
+	* java/lang/StringBuffer.java: Fix comments.
+
 2001-01-06  Anthony Green  <green@redhat.com>
 
 	* java/beans/PropertyDescriptor.java: Fix comment.

libjava/java/lang/StringBuffer.java

@@ -299,7 +299,7 @@ public final class StringBuffer implements Serializable
    *  @exception NullPointerException if dst is null.
    *  @exception IndexOutOfBoundsException if any source or target
    *             indices are out of range.
-   *  @see java.lang.System#arrayCopy(java.lang.Object,int,java.lang.Object,int,int)
+   *  @see java.lang.System#arraycopy(java.lang.Object,int,java.lang.Object,int,int)
    */
   public synchronized void getChars (int srcOffset, int srcEnd,
 				     char[] dst, int dstOffset)
@@ -494,7 +494,7 @@ public final class StringBuffer implements Serializable
    *  <em>capacity</em> of the <code>StringBuffer</code>.
    *  @return the length of this <code>StringBuffer</code>.
    *  @see #capacity()
-   *  @see #setLength()
+   *  @see #setLength(int)
    */
   public int length ()
   {

libjava/java/net/URLConnection.java

@@ -204,8 +204,6 @@ public abstract class URLConnection
       throw new IllegalAccessError("Already connected");
 
     doOutput = dooutput;
-    if (doOutput)
-      doInput = false;
   }
 
   public boolean getDoOutput()