8025236: [javadoc] fix some errors in AWT

Reviewed-by: yan, anthony
Contributed-by: NDmitry Ginzburg <dmitry.ginzburg@oracle.com>

src/share/classes/java/awt/event/InputEvent.java

@@ -445,7 +445,7 @@ public abstract class InputEvent extends ComponentEvent {
      * <PRE>
      *    int onmask = SHIFT_DOWN_MASK | BUTTON1_DOWN_MASK;
      *    int offmask = CTRL_DOWN_MASK;
-     *    if ((event.getModifiersEx() & (onmask | offmask)) == onmask) {
+     *    if ((event.getModifiersEx() &amp; (onmask | offmask)) == onmask) {
      *        ...
      *    }
      * </PRE>

src/share/classes/java/awt/event/MouseEvent.java

@@ -146,12 +146,12 @@ import sun.awt.SunToolkit;
  * {@link InputEvent#getMaskForButton(int) getMaskForButton(button)} method may be used
  * as button masks.
  * <p>
- * <code>MOUSE_DRAGGED</code> events are delivered to the <code>Component</code>
+ * {@code MOUSE_DRAGGED} events are delivered to the {@code Component}
  * in which the mouse button was pressed until the mouse button is released
  * (regardless of whether the mouse position is within the bounds of the
- * <code>Component</code>).  Due to platform-dependent Drag&Drop implementations,
- * <code>MOUSE_DRAGGED</code> events may not be delivered during a native
- * Drag&Drop operation.
+ * {@code Component}).  Due to platform-dependent Drag&amp;Drop implementations,
+ * {@code MOUSE_DRAGGED} events may not be delivered during a native
+ * Drag&amp;Drop operation.
  *
  * In a multi-screen environment mouse drag events are delivered to the
  * <code>Component</code> even if the mouse position is outside the bounds of the
@@ -327,7 +327,7 @@ public class MouseEvent extends InputEvent {
      * For all other events the count will be 0.
      *
      * @serial
-     * @see #getClickCount().
+     * @see #getClickCount()
      */
     int clickCount;
 
@@ -403,7 +403,7 @@ public class MouseEvent extends InputEvent {
 
     /**
      * Initialize JNI field and method IDs for fields that may be
-       accessed from C.
+     *  accessed from C.
      */
     private static native void initIDs();
 

src/share/classes/java/awt/im/InputContext.java

@@ -118,7 +118,6 @@ public class InputContext {
      * Otherwise, an input method or keyboard layout that supports the requested
      * locale is selected in an implementation dependent way.</li>
      *
-     * <p>
      * </ul>
      * Before switching away from an input method, any currently uncommitted text
      * is committed. If no input method or keyboard layout supporting the requested

src/share/classes/java/awt/im/InputMethodHighlight.java

@@ -51,8 +51,8 @@ import java.util.Map;
 * mappings from abstract to concrete styles. Currently defined state values
 * are raw (unconverted) and converted.
 * These state values are recommended for use before and after the
-* main conversion step of text composition, say, before and after kana->kanji
-* or pinyin->hanzi conversion.
+* main conversion step of text composition, say, before and after kana->kanji
+* or pinyin->hanzi conversion.
 * The <code>variation</code> field allows input methods to express additional
 * information about the conversion results.
 * <p>