Fix javadoc errors

bundles/org.eclipse.core.commands/src/org/eclipse/core/commands/AbstractParameterValueConverter.java

@@ -30,7 +30,7 @@
  * <p>
  * This class will typically be extended so the subclass can be referenced from
  * the <code>converter</code> attribute of the
- * <code>commandParameterType</code> elemement of the
+ * <code>commandParameterType</code> element of the
  * <code>org.eclipse.ui.commands</code> extension-point. Objects implementing
  * this interface may also be passed directly to
  * {@link ParameterType#define(String, AbstractParameterValueConverter)} by

bundles/org.eclipse.core.commands/src/org/eclipse/core/commands/Command.java

@@ -42,8 +42,8 @@
  * defined if it is declared in the XML of a resolved plug-in. If the plug-in is
  * unloaded or the command is simply not declared, then it is undefined. Trying
  * to reference an undefined command will succeed, but trying to access any of
- * its functionality will fail with a <code>NotDefinedException</code>. If
- * you need to know when a command changes from defined to undefined (or vice
+ * its functionality will fail with a <code>NotDefinedException</code>. If you
+ * need to know when a command changes from defined to undefined (or vice
  * versa), then attach a command listener.
  * </p>
  * <p>

bundles/org.eclipse.core.commands/src/org/eclipse/core/commands/CommandEvent.java

@@ -172,26 +172,26 @@ public CommandEvent(final Command command, final boolean categoryChanged,
 	 * @param command
 	 *            the instance of the interface that changed.
 	 * @param categoryChanged
-	 *            <code>true</code>, iff the category property changed.
+	 *            <code>true</code>, if the category property changed.
 	 * @param definedChanged
-	 *            <code>true</code>, iff the defined property changed.
+	 *            <code>true</code>, if the defined property changed.
 	 * @param descriptionChanged
-	 *            <code>true</code>, iff the description property changed.
+	 *            <code>true</code>, if the description property changed.
 	 * @param handledChanged
-	 *            <code>true</code>, iff the handled property changed.
+	 *            <code>true</code>, if the handled property changed.
 	 * @param nameChanged
-	 *            <code>true</code>, iff the name property changed.
+	 *            <code>true</code>, if the name property changed.
 	 * @param parametersChanged
 	 *            <code>true</code> if the parameters have changed;
 	 *            <code>false</code> otherwise.
 	 * @param returnTypeChanged
-	 *            <code>true</code> iff the return type property changed;
+	 *            <code>true</code> if the return type property changed;
 	 *            <code>false</code> otherwise.
 	 * @param helpContextIdChanged
-	 *            <code>true</code> iff the help context identifier changed;
+	 *            <code>true</code> if the help context identifier changed;
 	 *            <code>false</code> otherwise.
 	 * @param enabledChanged
-	 *            <code>true</code> iff the comand enablement changed;
+	 *            <code>true</code> if the command enablement changed;
 	 *            <code>false</code> otherwise.
 	 * @since 3.3
 	 */
@@ -287,7 +287,7 @@ public final boolean isReturnTypeChanged() {
 	/**
 	 * Return whether the enable property changed.
 	 *
-	 * @return <code>true</code> iff the comand enablement changed
+	 * @return <code>true</code> if the command enablement changed
 	 * @since 3.3
 	 */
 	public final boolean isEnabledChanged() {

bundles/org.eclipse.core.commands/src/org/eclipse/core/commands/ParameterizedCommand.java

@@ -434,7 +434,7 @@ public boolean equals(final Object object) {
 	/**
 	 * Executes this command with its parameters. This method will succeed
 	 * regardless of whether the command is enabled or defined. It is
-	 * preferrable to use {@link #executeWithChecks(Object, Object)}.
+	 * preferable to use {@link #executeWithChecks(Object, Object)}.
 	 *
 	 * @param trigger
 	 *            The object that triggered the execution; may be

bundles/org.eclipse.core.commands/src/org/eclipse/core/commands/common/NamedHandleObject.java

@@ -29,7 +29,7 @@ public abstract class NamedHandleObject extends HandleObject {
 	protected String description = null;
 
 	/**
-	 * The name of this handle. This valud should not be <code>null</code>
+	 * The name of this handle. This value should not be <code>null</code>
 	 * unless the handle is undefined.
 	 */
 	protected String name = null;

bundles/org.eclipse.core.commands/src/org/eclipse/core/commands/common/NamedHandleObjectComparator.java

@@ -32,7 +32,7 @@ public class NamedHandleObjectComparator implements Comparator {
 	 * useful is they are display to an end user.
 	 *
 	 * @param left
-	 *            The first obect to compare; may be <code>null</code>.
+	 *            The first object to compare; may be <code>null</code>.
 	 * @param right
 	 *            The second object to compare; may be <code>null</code>.
 	 * @return <code>-1</code> if <code>left</code> is <code>null</code>

bundles/org.eclipse.core.commands/src/org/eclipse/core/commands/operations/IAdvancedUndoableOperation.java

@@ -89,7 +89,7 @@ public interface IAdvancedUndoableOperation {
 	 * @return the IStatus indicating the validity of the undo. The status
 	 *         severity should be set to <code>OK</code> if the undo can
 	 *         successfully be performed, and <code>ERROR</code> if it
-	 *         cannnot. Any other status is assumed to represent an ambiguous
+	 *         cannot. Any other status is assumed to represent an ambiguous
 	 *         state.
 	 * @throws ExecutionException
 	 *             if an exception occurs while computing the validity.
@@ -119,7 +119,7 @@ IStatus computeUndoableStatus(IProgressMonitor monitor)
 	 * @return the IStatus indicating the validity of the redo. The status
 	 *         severity should be set to <code>OK</code> if the redo can
 	 *         successfully be performed, and <code>ERROR</code> if it
-	 *         cannnot. Any other status is assumed to represent an ambiguous
+	 *         cannot. Any other status is assumed to represent an ambiguous
 	 *         state.
 	 * @throws ExecutionException
 	 *             if an exception occurs while computing the validity.