Replace <code> with {@code} in javadoc

{@code foo} is shorter and easier to read and write than
<code>foo</code>, which is why it was introduced years ago in the
javadoc processor.  Make consistent use of it throughout the
documentation comments.

Change-Id: I59d428cb6c5015453629398b0697891b83c8e91d

gerrit-common/src/main/java/com/google/gerrit/common/data/AccountInfo.java

@@ -87,10 +87,10 @@ public class AccountInfo {
    * <p>
    * Example output:
    * <ul>
-   * <li><code>A U. Thor &lt;author@example.com&gt;</code>: full populated</li>
-   * <li><code>A U. Thor (12)</code>: missing email address</li>
-   * <li><code>Anonymous Coward &lt;author@example.com&gt;</code>: missing name</li>
-   * <li><code>Anonymous Coward (12)</code>: missing name and email address</li>
+   * <li>{@code A U. Thor &lt;author@example.com&gt;}: full populated</li>
+   * <li>{@code A U. Thor (12)}: missing email address</li>
+   * <li>{@code Anonymous Coward &lt;author@example.com&gt;}: missing name</li>
+   * <li>{@code Anonymous Coward (12)}: missing name and email address</li>
    * </ul>
    */
   public String getNameEmail(String anonymousCowardName) {

gerrit-common/src/main/java/com/google/gerrit/common/data/AccountInfoCache.java

@@ -50,9 +50,9 @@ public class AccountInfoCache {
    * <p>
    * The return value can take on one of three forms:
    * <ul>
-   * <li><code>null</code>, if <code>id == null</code>.</li>
-   * <li>a valid info block, if <code>id</code> was loaded.</li>
-   * <li>an anonymous info block, if <code>id</code> was not loaded.</li>
+   * <li>{@code null}, if {@code id == null}.</li>
+   * <li>a valid info block, if {@code id} was loaded.</li>
+   * <li>an anonymous info block, if {@code id} was not loaded.</li>
    * </ul>
    *
    * @param id the id desired.

gerrit-common/src/main/java/com/google/gerrit/common/data/CommentDetail.java

@@ -148,7 +148,7 @@ public class CommentDetail {
   }
 
   /**
-   * Add the comments to <code>outResult</code>, depth first
+   * Add the comments to {@code outResult}, depth first
    */
   private static void addChildren(Map<String, List<PatchLineComment>> parentMap,
       List<PatchLineComment> children, List<PatchLineComment> outResult) {

gerrit-common/src/main/java/com/google/gerrit/common/data/GroupInfoCache.java

@@ -50,9 +50,9 @@ public class GroupInfoCache {
    * <p>
    * The return value can take on one of three forms:
    * <ul>
-   * <li><code>null</code>, if <code>id == null</code>.</li>
-   * <li>a valid info block, if <code>id</code> was loaded.</li>
-   * <li>an anonymous info block, if <code>id</code> was not loaded.</li>
+   * <li>{@code null}, if {@code id == null}.</li>
+   * <li>a valid info block, if {@code id} was loaded.</li>
+   * <li>an anonymous info block, if {@code id} was not loaded.</li>
    * </ul>
    *
    * @param uuid the id desired.

gerrit-common/src/main/java/com/google/gerrit/common/data/ParameterizedString.java

@@ -21,7 +21,7 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
-/** Performs replacements on strings such as <code>Hello ${user}</code>. */
+/** Performs replacements on strings such as {@code Hello ${user}}. */
 public class ParameterizedString {
   /** Obtain a string which has no parameters and always produces the value. */
   public static ParameterizedString asis(final String constant) {

gerrit-common/src/main/java/com/google/gerrit/common/data/PatchDetailService.java

@@ -51,7 +51,7 @@ public interface PatchDetailService extends RemoteJsonService {
    *        {@link AsyncCallback#onSuccess(Object)} is invoked and the change
    *        details are passed as parameter; if the change gets deleted because
    *        the draft patch set that was deleted was the only patch set in the
-   *        change, then <code>null</code> is passed as result to
+   *        change, then {@code null} is passed as result to
    *        {@link AsyncCallback#onSuccess(Object)}
    */
   @Audit

gerrit-common/src/main/java/com/google/gerrit/common/data/SuggestService.java

@@ -50,7 +50,7 @@ public interface SuggestService extends RemoteJsonService {
    * Suggests reviewers. A reviewer can be a user or a group. Inactive users,
    * the system groups {@link AccountGroup#ANONYMOUS_USERS} and
    * {@link AccountGroup#REGISTERED_USERS} and groups that have more than the
-   * configured <code>addReviewer.maxAllowed</code> members are not suggested as
+   * configured {@code addReviewer.maxAllowed} members are not suggested as
    * reviewers.
    * @param changeId the change for which reviewers should be suggested
    */

gerrit-gwtdebug/src/main/java/com/google/gerrit/gwtdebug/GerritDebugLauncher.java

@@ -259,7 +259,7 @@ public class GerritDebugLauncher extends ServletContainerLauncher {
   protected final class MyWebAppContext extends WebAppContext {
     /**
      * Parent ClassLoader for the Jetty web app, which can only load JVM
-     * classes. We would just use <code>null</code> for the parent ClassLoader
+     * classes. We would just use {@code null} for the parent ClassLoader
      * except this makes Jetty unhappy.
      */
     private final ClassLoader bootStrapOnlyClassLoader =

gerrit-gwtexpui/src/main/java/com/google/gwtexpui/safehtml/client/HighlightSuggestOracle.java

@@ -24,7 +24,7 @@ import java.util.ArrayList;
  * Suggestions supplied by the implementation of
  * {@link #onRequestSuggestions(Request, Callback)} are modified to wrap all
  * occurrences of the {@link SuggestOracle.Request#getQuery()} substring in HTML
- * <code>&lt;strong&gt;</code> tags, so they can be emphasized to the user.
+ * {@code &lt;strong&gt;} tags, so they can be emphasized to the user.
  */
 public abstract class HighlightSuggestOracle extends SuggestOracle {
   private static String escape(String ds) {

gerrit-gwtexpui/src/main/java/com/google/gwtexpui/safehtml/client/LinkFindReplace.java

@@ -49,7 +49,7 @@ public class LinkFindReplace implements FindReplace {
   /**
    * @param find regular expression pattern to match substrings with.
    * @param link replacement link href. Capture groups within
-   *        <code>find</code> can be referenced with <code>$<i>n</i></code>.
+   *        {@code find} can be referenced with {@code $<i>n</i>}.
    */
   public LinkFindReplace(String find, String link) {
     this.pat = RegExp.compile(find);

gerrit-gwtexpui/src/main/java/com/google/gwtexpui/safehtml/client/RawFindReplace.java

@@ -31,7 +31,7 @@ public class RawFindReplace implements FindReplace {
   /**
    * @param find regular expression pattern to match substrings with.
    * @param replace replacement expression. Capture groups within
-   *        <code>find</code> can be referenced with <code>$<i>n</i></code>.
+   *        {@code find} can be referenced with {@code $<i>n</i>}.
    */
   public RawFindReplace(String find, String replace) {
     this.pat = RegExp.compile(find);

gerrit-gwtexpui/src/main/java/com/google/gwtexpui/safehtml/client/SafeHtml.java

@@ -213,7 +213,7 @@ public abstract class SafeHtml
   }
 
   /**
-   * Replace first occurrence of <code>regex</code> with <code>repl</code> .
+   * Replace first occurrence of {@code regex} with {@code repl} .
    * <p>
    * <b>WARNING:</b> This replacement is being performed against an otherwise
    * safe HTML string. The caller must ensure that the replacement does not
@@ -221,7 +221,7 @@ public abstract class SafeHtml
    *
    * @param regex regular expression pattern to match the substring with.
    * @param repl replacement expression. Capture groups within
-   *        <code>regex</code> can be referenced with <code>$<i>n</i></code>.
+   *        {@code regex} can be referenced with {@code $<i>n</i>}.
    * @return a new string, after the replacement has been made.
    */
   public SafeHtml replaceFirst(final String regex, final String repl) {
@@ -229,7 +229,7 @@ public abstract class SafeHtml
   }
 
   /**
-   * Replace each occurrence of <code>regex</code> with <code>repl</code> .
+   * Replace each occurrence of {@code regex} with {@code repl} .
    * <p>
    * <b>WARNING:</b> This replacement is being performed against an otherwise
    * safe HTML string. The caller must ensure that the replacement does not
@@ -237,7 +237,7 @@ public abstract class SafeHtml
    *
    * @param regex regular expression pattern to match substrings with.
    * @param repl replacement expression. Capture groups within
-   *        <code>regex</code> can be referenced with <code>$<i>n</i></code>.
+   *        {@code regex} can be referenced with {@code $<i>n</i>}.
    * @return a new string, after the replacements have been made.
    */
   public SafeHtml replaceAll(final String regex, final String repl) {

gerrit-gwtexpui/src/main/java/com/google/gwtexpui/safehtml/client/SafeHtmlBuilder.java

@@ -165,8 +165,8 @@ public class SafeHtmlBuilder extends SafeHtml {
    * Open an element, appending "<tagName>" to the buffer.
    * <p>
    * After the element is open the attributes may be manipulated until the next
-   * <code>append</code>, <code>openElement</code>, <code>closeSelf</code> or
-   * <code>closeElement</code> call.
+   * {@code append}, {@code openElement}, {@code closeSelf} or
+   * {@code closeElement} call.
    *
    * @param tagName name of the HTML element to open.
    */

gerrit-gwtexpui/src/main/java/com/google/gwtexpui/server/CacheControlFilter.java

@@ -35,7 +35,7 @@ import javax.servlet.http.HttpServletResponse;
  * URL changes, so user agents would request a different resource. We force
  * these resources to have very long expiration times.
  * <p>
- * To use, add the following block to your <code>web.xml</code>:
+ * To use, add the following block to your {@code web.xml}:
  *
  * <pre>
  * &lt;filter&gt;

gerrit-gwtexpui/src/main/java/com/google/gwtexpui/user/client/View.java

@@ -20,12 +20,12 @@ import com.google.gwt.user.client.ui.Widget;
 /**
  * Widget to display within a {@link ViewSite}.
  *<p>
- * Implementations must override <code>protected void onLoad()</code> and
+ * Implementations must override {@code protected void onLoad()} and
  * arrange for {@link #display()} to be invoked once the DOM within the view is
  * consistent for presentation to the user. Typically this means that the
- * subclass can start RPCs within <code>onLoad()</code> and then invoke
- * <code>display()</code> from within the AsyncCallback's
- * <code>onSuccess(Object)</code> method.
+ * subclass can start RPCs within {@code onLoad()} and then invoke
+ * {@code display()} from within the AsyncCallback's
+ * {@code onSuccess(Object)} method.
  */
 public abstract class View extends Composite {
   ViewSite<? extends View> site;

gerrit-gwtexpui/src/main/java/com/google/gwtexpui/user/client/ViewSite.java

@@ -22,7 +22,7 @@ import com.google.gwt.user.client.ui.SimplePanel;
  * Hosts a single {@link View}.
  * <p>
  * View instances are attached inside of an invisible DOM node, permitting their
- * <code>onLoad()</code> method to be invoked and to update the DOM prior to the
+ * {@code onLoad()} method to be invoked and to update the DOM prior to the
  * elements being made visible in the UI.
  * <p>
  * Complaint View instances must invoke {@link View#display()} once the DOM is
@@ -48,7 +48,7 @@ public class ViewSite<V extends View> extends Composite {
    * Set the next view to display.
    * <p>
    * The view will be attached to the DOM tree within a hidden container,
-   * permitting its <code>onLoad()</code> method to execute and update the DOM
+   * permitting its {@code onLoad()} method to execute and update the DOM
    * without the user seeing the result.
    *
    * @param view the next view to display.

gerrit-gwtui/src/main/java/com/google/gerrit/client/FormatUtil.java

@@ -129,10 +129,10 @@ public class FormatUtil {
    * <p>
    * Example output:
    * <ul>
-   * <li><code>A U. Thor &lt;author@example.com&gt;</code>: full populated</li>
-   * <li><code>A U. Thor (12)</code>: missing email address</li>
-   * <li><code>Anonymous Coward &lt;author@example.com&gt;</code>: missing name</li>
-   * <li><code>Anonymous Coward (12)</code>: missing name and email address</li>
+   * <li>{@code A U. Thor &lt;author@example.com&gt;}: full populated</li>
+   * <li>{@code A U. Thor (12)}: missing email address</li>
+   * <li>{@code Anonymous Coward &lt;author@example.com&gt;}: missing name</li>
+   * <li>{@code Anonymous Coward (12)}: missing name and email address</li>
    * </ul>
    */
   public static String nameEmail(AccountInfo info) {

gerrit-gwtui/src/main/java/com/google/gerrit/client/ui/ComplexDisclosurePanel.java

@@ -108,7 +108,7 @@ public class ComplexDisclosurePanel extends Composite implements
   /**
    * Changes the visible state of this panel's content.
    *
-   * @param isOpen <code>true</code> to open, <code>false</code> to close
+   * @param isOpen {@code true} to open, {@code false} to close
    */
   public void setOpen(final boolean isOpen) {
     main.setOpen(isOpen);

gerrit-gwtui/src/main/java/com/google/gerrit/client/ui/FancyFlexTable.java

@@ -65,7 +65,7 @@ public abstract class FancyFlexTable<RowItem> extends Composite {
    * @param comparator comparator by which the items in the table are sorted
    * @param item the item that should be found
    * @return if the item is found the number of the row that contains the item;
-   *         if the item is not found <code>-1</code>
+   *         if the item is not found {@code -1}
    */
   protected int findRowItem(Comparator<RowItem> comparator, RowItem item) {
     int row = lookupRowItem(comparator, item);
@@ -84,7 +84,7 @@ public abstract class FancyFlexTable<RowItem> extends Composite {
    * @param item the new item that should be inserted
    * @return if the item is not yet contained in the table, the number of the
    *         row where the new item should be inserted; if the item is already
-   *         contained in the table <code>-1</code>
+   *         contained in the table {@code -1}
    */
   protected int getInsertRow(Comparator<RowItem> comparator, RowItem item) {
     int row = lookupRowItem(comparator, item);

gerrit-gwtui/src/main/java/com/google/gerrit/client/ui/FilteredUserInterface.java

@@ -19,7 +19,7 @@ public interface FilteredUserInterface {
    * Return the value by which the user interface is currently filtered.
    *
    * @return value by which the user interface is currently filtered,
-   *         <code>null</code> or empty String if currently no filter is applied
+   *         {@code null} or empty String if currently no filter is applied
    */
   public String getCurrentFilter();
 }

gerrit-gwtui/src/main/java/com/google/gerrit/client/ui/Hyperlink.java

@@ -44,7 +44,7 @@ public class Hyperlink extends com.google.gwt.user.client.ui.Hyperlink {
    * Creates a hyperlink with its text and target history token specified.
    *
    * @param text the hyperlink's text
-   * @param asHTML <code>true</code> to treat the specified text as html
+   * @param asHTML {@code true} to treat the specified text as html
    * @param token the history token to which it will link
    * @see #setTargetHistoryToken
    */

gerrit-httpd/src/main/java/com/google/gerrit/httpd/raw/RobotsServlet.java

@@ -37,7 +37,7 @@ import javax.servlet.http.HttpServletResponse;
 /**
  * This class provides a mechanism to use a configurable robots.txt file,
  * outside of the .war of the application. In order to configure it add the
- * following to the <code>httpd</code> section of the <code>gerrit.conf</code>
+ * following to the {@code httpd} section of the {@code gerrit.conf}
  * file:
  *
  * <pre>
@@ -49,7 +49,7 @@ import javax.servlet.http.HttpServletResponse;
  * the site directory, if it is absolute it will be used as is.
  *
  * If the specified file doesn't exist or isn't readable the servlet will
- * default to the <code>robots.txt</code> file bundled with the .war file of the
+ * default to the {@code robots.txt} file bundled with the .war file of the
  * application.
  */
 @SuppressWarnings("serial")

gerrit-httpd/src/main/java/com/google/gerrit/httpd/raw/SshInfoServlet.java

@@ -32,14 +32,14 @@ import javax.servlet.http.HttpServletResponse;
 /**
  * Servlet hosting an SSH daemon on another port. During a standard HTTP GET
  * request the servlet returns the hostname and port number back to the client
- * in the form <code>${host} ${port}</code>.
+ * in the form {@code ${host} ${port}}.
  * <p>
- * Use a Git URL such as <code>ssh://${email}@${host}:${port}/${path}</code>,
- * e.g. <code>ssh://sop@google.com@gerrit.com:8010/tools/gerrit.git</code> to
+ * Use a Git URL such as {@code ssh://${email}@${host}:${port}/${path}},
+ * e.g. {@code ssh://sop@google.com@gerrit.com:8010/tools/gerrit.git} to
  * access the SSH daemon itself.
  * <p>
  * Versions of Git before 1.5.3 may require setting the username and port
- * properties in the user's <code>~/.ssh/config</code> file, and using a host
+ * properties in the user's {@code ~/.ssh/config} file, and using a host
  * alias through a URL such as <code>gerrit-alias:/tools/gerrit.git:
  * <pre>
  * Host gerrit-alias

gerrit-httpd/src/main/java/com/google/gerrit/httpd/raw/StaticServlet.java

@@ -57,7 +57,7 @@ import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
 
-/** Sends static content from the site 's <code>static/</code> subdirectory. */
+/** Sends static content from the site 's {@code static/} subdirectory. */
 @SuppressWarnings("serial")
 @Singleton
 public class StaticServlet extends HttpServlet {

gerrit-httpd/src/main/java/com/google/gerrit/httpd/rpc/BaseServiceImplementation.java

@@ -53,7 +53,7 @@ public class BaseServiceImplementation {
   }
 
   /**
-   * Executes <code>action.run</code> with an active ReviewDb connection.
+   * Executes {@code action.run} with an active ReviewDb connection.
    * <p>
    * A database handle is automatically opened and closed around the action's
    * {@link Action#run(ReviewDb)} method. OrmExceptions are caught and passed

gerrit-openid/src/main/java/com/google/gerrit/httpd/auth/openid/OpenIdLoginServlet.java

@@ -24,7 +24,7 @@ import javax.servlet.http.HttpServlet;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
-/** Handles the <code>/OpenID</code> URL for web based single-sign-on. */
+/** Handles the {@code /OpenID} URL for web based single-sign-on. */
 @SuppressWarnings("serial")
 @Singleton
 class OpenIdLoginServlet extends HttpServlet {

gerrit-pgm/src/main/java/com/google/gerrit/pgm/util/ProxyUtil.java

@@ -44,15 +44,15 @@ import java.net.URL;
 
 final class ProxyUtil {
   /**
-   * Configure the JRE's standard HTTP based on <code>http_proxy</code>.
+   * Configure the JRE's standard HTTP based on {@code http_proxy}.
    * <p>
-   * The popular libcurl library honors the <code>http_proxy</code> environment
+   * The popular libcurl library honors the {@code http_proxy} environment
    * variable as a means of specifying an HTTP proxy for requests made behind a
    * firewall. This is not natively recognized by the JRE, so this method can be
    * used by command line utilities to configure the JRE before the first
    * request is sent.
    *
-   * @throws MalformedURLException the value in <code>http_proxy</code> is
+   * @throws MalformedURLException the value in {@code http_proxy} is
    *         unsupportable.
    */
   static void configureHttpProxy() throws MalformedURLException {

gerrit-reviewdb/src/main/java/com/google/gerrit/reviewdb/client/Project.java

@@ -240,8 +240,8 @@ public final class Project {
   /**
    * Returns the name key of the parent project.
    *
-   * @return name key of the parent project, <code>null</code> if this project
-   *         is the wild project, <code>null</code> or the name key of the wild
+   * @return name key of the parent project, {@code null} if this project
+   *         is the wild project, {@code null} or the name key of the wild
    *         project if this project is a direct child of the wild project
    */
   public Project.NameKey getParent() {
@@ -252,7 +252,7 @@ public final class Project {
    * Returns the name key of the parent project.
    *
    * @param allProjectsName name key of the wild project
-   * @return name key of the parent project, <code>null</code> if this project
+   * @return name key of the parent project, {@code null} if this project
    *         is the wild project
    */
   public Project.NameKey getParent(final Project.NameKey allProjectsName) {

gerrit-reviewdb/src/main/java/com/google/gerrit/reviewdb/client/RevId.java

@@ -41,7 +41,7 @@ public final class RevId {
   }
 
   /**
-   * @return if {@link #isComplete()}, <code>this</code>; otherwise a new RevId
+   * @return if {@link #isComplete()}, {@code this}; otherwise a new RevId
    *         with 'z' appended on the end.
    */
   public RevId max() {

gerrit-reviewdb/src/main/java/com/google/gerrit/reviewdb/server/SubmoduleSubscriptionAccess.java

@@ -33,15 +33,15 @@ public interface SubmoduleSubscriptionAccess extends
       throws OrmException;
 
   /**
-   * Fetches all <code>SubmoduleSubscription</code>s in which some branch of
-   * <code>superProject</code> subscribes a branch.
+   * Fetches all {@code SubmoduleSubscription}s in which some branch of
+   * {@code superProject} subscribes a branch.
    *
    * Use {@link #bySuperProject(Branch.NameKey)} to fetch for a branch instead
    * of a project.
    *
    * @param superProject the project to fetch subscriptions for
-   * @return <code>SubmoduleSubscription</code>s that are subscribed by some
-   * branch of <code>superProject</code>.
+   * @return {@code SubmoduleSubscription}s that are subscribed by some
+   * branch of {@code superProject}.
    * @throws OrmException
    */
   @Query("WHERE key.superProject.projectName = ?")
@@ -53,15 +53,15 @@ public interface SubmoduleSubscriptionAccess extends
       throws OrmException;
 
   /**
-   * Fetches all <code>SubmoduleSubscription</code>s in which some branch of
-   * <code>submodule</code> is subscribed.
+   * Fetches all {@code SubmoduleSubscription}s in which some branch of
+   * {@code submodule} is subscribed.
    *
    * Use {@link #bySubmodule(Branch.NameKey)} to fetch for a branch instead of
    * a project.
    *
    * @param submodule the project to fetch subscriptions for.
-   * @return <code>SubmoduleSubscription</code>s that subscribe some branch of
-   * <code>submodule</code>.
+   * @return {@code SubmoduleSubscription}s that subscribe some branch of
+   * {@code submodule}.
    * @throws OrmException
    */
   @Query("WHERE submodule.projectName = ?")

gerrit-server/src/main/java/com/google/gerrit/server/ProjectUtil.java

@@ -29,9 +29,9 @@ public class ProjectUtil {
    *
    * @param repoManager Git repository manager to open the git repository
    * @param branch the branch for which it should be checked if it exists
-   * @return <code>true</code> if the specified branch exists or if
-   *         <code>HEAD</code> points to this branch, otherwise
-   *         <code>false</code>
+   * @return {@code true} if the specified branch exists or if
+   *         {@code HEAD} points to this branch, otherwise
+   *         {@code false}
    * @throws RepositoryNotFoundException the repository of the branch's project
    *         does not exist.
    * @throws IOException error while retrieving the branch from the repository.

gerrit-server/src/main/java/com/google/gerrit/server/account/PerformCreateGroup.java

@@ -69,13 +69,13 @@ public class PerformCreateGroup {
    * Creates a new group.
    *
    * @param groupName the name for the new group
-   * @param groupDescription the description of the new group, <code>null</code>
+   * @param groupDescription the description of the new group, {@code null}
    *        if no description
-   * @param visibleToAll <code>true</code> to make the group visible to all
-   *        registered users, if <code>false</code> the group is only visible to
+   * @param visibleToAll {@code true} to make the group visible to all
+   *        registered users, if {@code false} the group is only visible to
    *        the group owners and Gerrit administrators
    * @param ownerGroupId the group that should own the new group, if
-   *        <code>null</code> the new group will own itself
+   *        {@code null} the new group will own itself
    * @param initialMembers initial members to be added to the new group
    * @param initialGroups initial groups to include in the new group
    * @return the id of the new group

gerrit-server/src/main/java/com/google/gerrit/server/change/MergeabilityChecker.java

@@ -109,8 +109,8 @@ public class MergeabilityChecker implements GitReferenceUpdatedListener {
    *
    * @param change the change for which the mergeability flag should be updated
    * @return CheckedFuture that updates the mergeability flag of the change and
-   *         returns <code>true</code> if the mergeability flag was updated and
-   *         the change was reindexed, and <code>false</code> if the
+   *         returns {@code true} if the mergeability flag was updated and
+   *         the change was reindexed, and {@code false} if the
    *         mergeability flag was not updated and the change was not reindexed
    */
   public CheckedFuture<Boolean, IOException> updateAsync(Change change) {

gerrit-server/src/main/java/com/google/gerrit/server/git/MultiProgressMonitor.java

@@ -179,7 +179,7 @@ public class MultiProgressMonitor {
    * <p>
    * Must be called from the main thread, <em>not</em> a worker thread. Once a
    * worker thread calls {@link #end()}, the future has an additional
-   * <code>maxInterval</code> to finish before it is forcefully cancelled and
+   * {@code maxInterval} to finish before it is forcefully cancelled and
    * {@link ExecutionException} is thrown.
    *
    * @param workerFuture a future that returns when worker threads are finished.

gerrit-server/src/main/java/com/google/gerrit/server/git/NotesBranchUtil.java

@@ -88,8 +88,8 @@ public class NotesBranchUtil {
   }
 
   /**
-   * Create a new commit in the <code>notesBranch</code> by updating existing
-   * or creating new notes from the <code>notes</code> map.
+   * Create a new commit in the {@code notesBranch} by updating existing
+   * or creating new notes from the {@code notes} map.
    *
    * @param notes map of notes
    * @param notesBranch notes branch to update
@@ -106,16 +106,16 @@ public class NotesBranchUtil {
   }
 
   /**
-   * Create a new commit in the <code>notesBranch</code> by creating not yet
-   * existing notes from the <code>notes</code> map. The notes from the
-   * <code>notes</code> map which already exist in the note-tree of the
-   * tip of the <code>notesBranch</code> will not be updated.
+   * Create a new commit in the {@code notesBranch} by creating not yet
+   * existing notes from the {@code notes} map. The notes from the
+   * {@code notes} map which already exist in the note-tree of the
+   * tip of the {@code notesBranch} will not be updated.
    *
    * @param notes map of notes
    * @param notesBranch notes branch to update
    * @param commitAuthor author of the commit in the notes branch
    * @param commitMessage for the commit in the notes branch
-   * @return map with those notes from the <code>notes</code> that were newly
+   * @return map with those notes from the {@code notes} that were newly
    *         created
    * @throws IOException
    * @throws ConcurrentRefUpdateException

gerrit-server/src/main/java/com/google/gerrit/server/git/SubmitStrategy.java

@@ -125,8 +125,8 @@ public abstract class SubmitStrategy {
    * @param mergeTip the mergeTip
    * @param toMerge the commit for which it should be checked whether it can be
    *        merged or not
-   * @return <code>true</code> if the given commit can be merged, otherwise
-   *         <code>false</code>
+   * @return {@code true} if the given commit can be merged, otherwise
+   *         {@code false}
    * @throws MergeException
    */
   public abstract boolean dryRun(CodeReviewCommit mergeTip,
@@ -140,7 +140,7 @@ public abstract class SubmitStrategy {
    * Do only call this method after the {@link #run(CodeReviewCommit, List)}
    * method has been invoked.
    *
-   * @return the ref log identity, may be <code>null</code>
+   * @return the ref log identity, may be {@code null}
    */
   public final PersonIdent getRefLogIdent() {
     return refLogIdent;
@@ -168,9 +168,9 @@ public abstract class SubmitStrategy {
    *
    * May be overwritten by subclasses.
    *
-   * @return <code>true</code> if a merge that failed with
+   * @return {@code true} if a merge that failed with
    *         {@link Result#LOCK_FAILURE} should be retried, otherwise
-   *         <code>false</code>
+   *         {@code false}
    */
   public boolean retryOnLockFailure() {
     return true;

gerrit-server/src/main/java/com/google/gerrit/server/project/ProjectNode.java

@@ -46,7 +46,7 @@ public class ProjectNode implements TreeNode, Comparable<ProjectNode> {
   /**
    * Returns the project parent name.
    *
-   * @return Project parent name, <code>null</code> for the 'All-Projects' root
+   * @return Project parent name, {@code null} for the 'All-Projects' root
    *         project
    */
   public Project.NameKey getParentName() {

gerrit-server/src/main/java/com/google/gerrit/server/project/SubmitRuleEvaluator.java

@@ -88,7 +88,7 @@ public class SubmitRuleEvaluator {
    *        rule.
    * @param filterRuleWrapperName The name of the rule used to evaluate the
    *        filter rule.
-   * @param skipSubmitFilters if <code>true</code> submit filter will not be
+   * @param skipSubmitFilters if {@code true} submit filter will not be
    *        applied
    * @param rules when non-null the rules will be read from this input stream
    *        instead of refs/meta/config:rules.pl file

gerrit-server/src/main/java/com/google/gerrit/server/schema/DataSourceType.java

@@ -28,7 +28,7 @@ public interface DataSourceType {
 
   /**
    * Return a ScriptRunner that runs the index script. Must not return
-   * <code>null</code>, but may return a ScriptRunner that does nothing.
+   * {@code null}, but may return a ScriptRunner that does nothing.
    *
    * @throws IOException
    */

gerrit-server/src/main/java/com/google/gerrit/server/util/MagicBranch.java

@@ -51,7 +51,7 @@ public final class MagicBranch {
         || refName.startsWith(NEW_CHANGE);
   }
 
-  /** Returns the ref name prefix for a magic branch, <code>null</code> if the branch is not magic */
+  /** Returns the ref name prefix for a magic branch, {@code null} if the branch is not magic */
   public static String getMagicRefNamePrefix(String refName) {
     if (refName.startsWith(NEW_DRAFT_CHANGE)) {
       return NEW_DRAFT_CHANGE;

gerrit-server/src/test/java/com/google/gerrit/server/git/SubmoduleOpTest.java

@@ -820,7 +820,7 @@ public class SubmoduleOpTest extends LocalDiskRepositoryTestCase {
    * subscriptions.
    * <p>
    * In this test a commit is created and considered merged to
-   * <code>mergedBranch</code> branch.
+   * {@code mergedBranch} branch.
    * </p>
    * <p>
    * The destination project the commit was merged is not considered to be a
@@ -846,7 +846,7 @@ public class SubmoduleOpTest extends LocalDiskRepositoryTestCase {
    * Subscriptions table.
    * <p>
    * In this test a commit is created and considered merged to
-   * <code>mergedBranch</code> branch.
+   * {@code mergedBranch} branch.
    * </p>
    * <p>
    * The destination project the commit was merged is not considered to be a
@@ -859,7 +859,7 @@ public class SubmoduleOpTest extends LocalDiskRepositoryTestCase {
    * @param extractedSubscriptions The subscription rows extracted from
    *        gitmodules file.
    * @param previousSubscriptions The subscription rows to be considering as
-   *        existing and pointing as target to the <code>mergedBranch</code>
+   *        existing and pointing as target to the {@code mergedBranch}
    *        before updating the table.
    * @throws Exception If an exception occurs.
    */

gerrit-sshd/src/main/java/com/google/gerrit/sshd/SshDaemon.java

@@ -112,12 +112,12 @@ import java.util.List;
 /**
  * SSH daemon to communicate with Gerrit.
  * <p>
- * Use a Git URL such as <code>ssh://${email}@${host}:${port}/${path}</code>,
- * e.g. <code>ssh://sop@google.com@gerrit.com:8010/tools/gerrit.git</code> to
+ * Use a Git URL such as {@code ssh://${email}@${host}:${port}/${path}},
+ * e.g. {@code ssh://sop@google.com@gerrit.com:8010/tools/gerrit.git} to
  * access the SSH daemon itself.
  * <p>
  * Versions of Git before 1.5.3 may require setting the username and port
- * properties in the user's <code>~/.ssh/config</code> file, and using a host
+ * properties in the user's {@code ~/.ssh/config} file, and using a host
  * alias through a URL such as <code>gerrit-alias:/tools/gerrit.git:
  * <pre>
  * Host gerrit-alias

gerrit-sshd/src/main/java/com/google/gerrit/sshd/SshUtil.java

@@ -71,7 +71,7 @@ public class SshUtil {
    * Convert an RFC 4716 style key to an OpenSSH style key.
    *
    * @param keyStr the key string to convert.
-   * @return <code>keyStr</code> if conversion failed; otherwise the converted
+   * @return {@code keyStr} if conversion failed; otherwise the converted
    *         key, in OpenSSH key format.
    */
   public static String toOpenSshPublicKey(final String keyStr) {