Bug 543933 - Build javadocs with Java 11

After fixing majority of Xdoclint:html issues there are warnings even
with Xdoclint:none.

Change-Id: I4fe8a5c3a9e7ace9c0189d185a60ab3e671f5d9a
Signed-off-by: Alexander Kurtakov <akurtako@redhat.com>
diff --git a/bundles/org.eclipse.equinox.common/src/org/eclipse/core/runtime/SubMonitor.java b/bundles/org.eclipse.equinox.common/src/org/eclipse/core/runtime/SubMonitor.java
index 92ca4ca..c4cfd42 100644
--- a/bundles/org.eclipse.equinox.common/src/org/eclipse/core/runtime/SubMonitor.java
+++ b/bundles/org.eclipse.equinox.common/src/org/eclipse/core/runtime/SubMonitor.java
@@ -730,7 +730,7 @@
 	 *      void myMethod(IProgressMonitor parent) {
 	 *          SubMonitor progress = SubMonitor.convert(parent, 100);
 	 *          
-	 *          for (int i = 0; i < 100; i++) {
+	 *          for (int i = 0; i &lt; 100; i++) {
 	 *              // Creating the next child monitor will clean up the previous one,
 	 *              // causing progress to be reported smoothly even if we don't do anything
 	 *              // with the monitors we create
@@ -859,7 +859,7 @@
 	 *      void myMethod(IProgressMonitor parent) {
 	 *          SubMonitor progress = SubMonitor.convert(parent, 100);
 	 *          
-	 *          for (int i = 0; i < 100; i++) {
+	 *          for (int i = 0; i &lt; 100; i++) {
 	 *              // Creating the next child monitor will clean up the previous one,
 	 *              // causing progress to be reported smoothly even if we don't do anything
 	 *              // with the monitors we create
@@ -930,7 +930,7 @@
 	 *      void myMethod(IProgressMonitor parent) {
 	 *          SubMonitor progress = SubMonitor.convert(parent, 100);
 	 *          
-	 *          for (int i = 0; i < 100; i++) {
+	 *          for (int i = 0; i &lt; 100; i++) {
 	 *              // Creating the next child monitor will clean up the previous one,
 	 *              // causing progress to be reported smoothly even if we don't do anything
 	 *              // with the monitors we create
diff --git a/bundles/org.eclipse.equinox.preferences/src/org/eclipse/core/runtime/preferences/IPreferenceFilter.java b/bundles/org.eclipse.equinox.preferences/src/org/eclipse/core/runtime/preferences/IPreferenceFilter.java
index 9254f4a..649e61c 100644
--- a/bundles/org.eclipse.equinox.preferences/src/org/eclipse/core/runtime/preferences/IPreferenceFilter.java
+++ b/bundles/org.eclipse.equinox.preferences/src/org/eclipse/core/runtime/preferences/IPreferenceFilter.java
@@ -66,8 +66,8 @@
 	 * For example:
 	 * </p>
 	 * <pre>
-	 * "org.eclipse.core.resources" -> null
-	 * "org.eclipse.ui" -> new PreferenceFilterEntry[] {
+	 * "org.eclipse.core.resources" -&gt; null
+	 * "org.eclipse.ui" -&gt; new PreferenceFilterEntry[] {
 	 * 		new PreferenceFilterEntry("DEFAULT_PERSPECTIVE_LOCATION"),
 	 * 		new PreferenceFilterEntry("SHOW_INTRO_ON_STARTUP")}
 	 * </pre>
diff --git a/bundles/org.eclipse.equinox.registry/src/org/eclipse/core/runtime/IConfigurationElement.java b/bundles/org.eclipse.equinox.registry/src/org/eclipse/core/runtime/IConfigurationElement.java
index 9114c19..bd13870 100644
--- a/bundles/org.eclipse.equinox.registry/src/org/eclipse/core/runtime/IConfigurationElement.java
+++ b/bundles/org.eclipse.equinox.registry/src/org/eclipse/core/runtime/IConfigurationElement.java
@@ -189,8 +189,8 @@
 	 * For example, the configuration markup</p>
 	 * <pre>
 	 * &lt;view&gt;
-	 * &nbsp&nbsp&nbsp&nbsp&lt;verticalHint&gt;top&lt;/verticalHint&gt;
-	 * &nbsp&nbsp&nbsp&nbsp&lt;horizontalHint&gt;left&lt;/horizontalHint&gt;
+	 * 	&lt;verticalHint&gt;top&lt;/verticalHint&gt;
+	 * 	&lt;horizontalHint&gt;left&lt;/horizontalHint&gt;
 	 * &lt;/view&gt;
 	 * </pre>
 	 * <p>