Improved accessibility for visually handicapped.

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@13723 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/java/hudson/model/Computer.java

@@ -36,6 +36,7 @@ import org.kohsuke.stapler.StaplerRequest;
 import org.kohsuke.stapler.StaplerResponse;
 import org.kohsuke.stapler.export.Exported;
 import org.kohsuke.stapler.export.ExportedBean;
+import sun.misc.resources.Messages;
 
 /**
  * Represents the running state of a remote computer that holds {@link Executor}s.
@@ -254,6 +255,13 @@ public abstract class Computer extends AbstractModelObject implements AccessCont
             return "computer.gif";
     }
 
+    public String getIconAltText() {
+        if(isOffline())
+            return "[offline]";
+        else
+            return "[online]";
+    }
+
     @Exported
     public String getDisplayName() {
         return nodeName;

core/src/main/resources/hudson/lifecycle/WindowsInstallerLink/index.jelly

@@ -5,7 +5,7 @@
       <j:choose>
         <j:when test="${!it.installed}">
           <h1>
-            <img src="${imagesURL}/48x48/installer.gif" />
+            <img src="${imagesURL}/48x48/installer.gif" alt=""/>
             ${%Install as Windows Service}
           </h1>
 
@@ -26,7 +26,7 @@
         <!-- already installed -->
         <j:otherwise>
           <h1>
-            <img src="${imagesURL}/48x48/blue.gif" />
+            <img src="${imagesURL}/48x48/blue.gif" alt=""/>
             ${%Installation Complete}
           </h1>
 

core/src/main/resources/hudson/matrix/MatrixBuild/ajaxMatrix.jelly

@@ -7,7 +7,7 @@
       <j:set var="b" value="${p.run}" />
       <a href="${p.combination}" tooltip="${p.tooltip}">
         <img src="${imagesURL}/24x24/${h.ifThenElse(b!=null,b.buildStatusUrl,'grey.gif')}"
-             title="${b.iconColor.description}"/>
+             title="${b.iconColor.description}" alt="${b.iconColor.description}"/>
         <j:if test="${empty(o.x) and empty(o.y)}">
           ${p.combination.toString(o.z)}
         </j:if>

core/src/main/resources/hudson/matrix/MatrixProject/ajaxMatrix.jelly

@@ -5,7 +5,7 @@
   <l:ajax>
     <p:matrix autoRefresh="true">
       <a href="${p.shortUrl}">
-        <img src="${imagesURL}/24x24/${p.buildStatusUrl}" title="${p.iconColor.description}"/>
+        <img src="${imagesURL}/24x24/${p.buildStatusUrl}" title="${p.iconColor.description}" alt="${p.iconColor.description}"/>
         <j:if test="${empty(o.x) and empty(o.y)}">
           ${p.combination.toString(o.z)}
         </j:if>

core/src/main/resources/hudson/maven/MavenBuild/executedMojos.jelly

@@ -32,7 +32,7 @@
               <tr>
                 <td>
                   <a href="${m.getPluginLink(cache)}">
-                    <img src="${imagesURL}/24x24/gear.gif"/>
+                    <img src="${imagesURL}/24x24/gear.gif" alt=""/>
                     ${m.groupId}:${m.artifactId}
                   </a>
                 </td>

core/src/main/resources/hudson/maven/MavenModuleSetBuild/main.jelly

@@ -18,7 +18,7 @@
               </a>
             </j:when>
             <j:otherwise><!-- module build non-existent, so no link -->
-              <img src="${imagesURL}/16x16/grey.gif" />
+              <img src="${imagesURL}/16x16/grey.gif" alt=""/>
               <st:nbsp/>
               ${m.displayName} (didn't run)
             </j:otherwise>

core/src/main/resources/hudson/maven/reporters/MavenAbstractArtifactRecord/badge.jelly

 <j:jelly xmlns:j="jelly:core" xmlns:st="jelly:stapler" xmlns:d="jelly:define" xmlns:l="/lib/layout" xmlns:t="/lib/hudson" xmlns:f="/lib/form" xmlns:test="/lib/test">
   <j:if test="${it.hasBadge()}">
     <a href="${link}redeploy/">
-      <img width="16" height="16"
+      <img width="16" height="16" alt="[deployed]"
            tooltip="${%Deployed to repository}"
            src="${imagesURL}/16x16/redo.gif"/>
     </a>

core/src/main/resources/hudson/maven/reporters/MavenAbstractArtifactRecord/index.jelly

@@ -6,7 +6,7 @@
     </l:side-panel>
     <l:main-panel>
       <h1>
-        <img src="${imagesURL}/48x48/redo.gif" width="48" height="48" />
+        <img src="${imagesURL}/48x48/redo.gif" width="48" height="48" alt="" />
         ${%Redeploy Artifacts}
       </h1>
 

core/src/main/resources/hudson/model/AbstractBuild/sidepanel.jelly

@@ -14,7 +14,7 @@
           <!-- Show raw link directly so user need not click through live console page. -->
           <div class="task">
             <a href="${buildUrl.baseUrl}/console">
-              <img width="24" height="24" style="margin: 2px;" src="${imagesURL}/24x24/terminal.gif"/>
+              <img width="24" height="24" style="margin: 2px;" src="${imagesURL}/24x24/terminal.gif" alt=""/>
             </a>
             <st:nbsp />
             <a href="${buildUrl.baseUrl}/console">${%Console Output}</a>

core/src/main/resources/hudson/model/AbstractItem/noWorkspace.jelly

@@ -3,7 +3,7 @@
   <l:layout>
     <st:include page="sidepanel.jelly" />
     <l:main-panel>
-      <h1><img src="${imagesURL}/48x48/error.gif"/>${%Error: no workspace}</h1>
+      <h1><img src="${imagesURL}/48x48/error.gif" alt=""/>${%Error: no workspace}</h1>
       <j:choose>
         <j:when test="${it.lastBuild==null}">
           <p>

core/src/main/resources/hudson/model/AbstractProject/wipeOutWorkspace.jelly

@@ -3,7 +3,7 @@
   <l:layout>
     <st:include page="sidepanel.jelly" />
     <l:main-panel>
-      <h1><img src="${imagesURL}/48x48/folder-delete.gif"/> ${%title}</h1>
+      <h1><img src="${imagesURL}/48x48/folder-delete.gif" alt=""/> ${%title}</h1>
       <form id="confirmation" method="post" action="doWipeOutWorkspace">
         <f:submit value="${%Yes}" />
       </form>

core/src/main/resources/hudson/model/Computer/builds.jelly

@@ -3,7 +3,7 @@
     <st:include page="sidepanel.jelly" />
     <l:main-panel>
       <h1>
-        <img src="${imagesURL}/48x48/notepad.gif" />
+        <img src="${imagesURL}/48x48/notepad.gif" alt=""/>
         ${%title(it.displayName)}
       </h1>
       <t:buildListTable builds="${it.builds}"/>

core/src/main/resources/hudson/model/Computer/index.jelly

@@ -17,7 +17,7 @@
       </l:isAdmin>
 
       <h1>
-        <img src="${imagesURL}/48x48/${it.icon}" width="48" height="48" />
+        <img src="${imagesURL}/48x48/${it.icon}" width="48" height="48" alt=""/>
         ${it.caption} <span style="font-size:smaller">(${it.node.nodeDescription})</span>
       </h1>
 

core/src/main/resources/hudson/model/ComputerSet/index.jelly

@@ -26,7 +26,7 @@
       <j:forEach var="c" items="${it._all}">
         <tr>
           <td width="32" data="${c.icon}">
-            <img src="${imagesURL}/32x32/${c.icon}" width="32" height="32" />
+            <img src="${imagesURL}/32x32/${c.icon}" width="32" height="32" alt="${c.iconAltText}"/>
           </td>
           <td><a href="${rootURL}/${c.url}">${c.displayName}</a></td>
           <j:forEach var="m" items="${monitors}">

core/src/main/resources/hudson/model/DirectoryBrowserSupport/dir.jelly

@@ -7,13 +7,13 @@
       <!-- parent path -->
         <div class="parentPath">
           <form action="${backPath}" method="get">
-            <a href="${topPath}"><img src="${imagesURL}/48x48/${icon}" class="rootIcon" /></a>
+            <a href="${topPath}"><img src="${imagesURL}/48x48/${icon}" class="rootIcon" alt=""/></a>
             <j:forEach var="p" items="${parentPath}">
               <a href="${p.href}">${p.title}</a>
               /
             </j:forEach>
             <input type="text" name="pattern" value="${pattern}" />
-            <img src="${imagesURL}/16x16/go-next.gif" style="vertical-align:middle; cursor:pointer"
+            <img src="${imagesURL}/16x16/go-next.gif" style="vertical-align:middle; cursor:pointer" alt="[submit]"
                 onclick="this.parentNode.submit()"/>
           </form>
         </div>
@@ -27,7 +27,7 @@
                 <j:set var="x" value="${f.get(f.size()-1)}"/>
                 <tr>
                   <td>
-                    <img src="${imagesURL}/16x16/${x.iconName}"/>
+                    <img src="${imagesURL}/16x16/${x.iconName}" alt=""/>
                   </td>
                   <td>
                     <j:forEach var="t" items="${f}" varStatus="st">

core/src/main/resources/hudson/model/Executor/causeOfDeath.jelly

@@ -10,13 +10,13 @@
       <j:choose>
         <j:when test="${it.alive}">
           <h1>
-            <img src="${imagesURL}/48x48/blue.gif" width="48" height="48" />
+            <img src="${imagesURL}/48x48/blue.gif" width="48" height="48" alt=""/>
             Thread is still alive
           </h1>
         </j:when>
         <j:otherwise>
           <h1>
-            <img src="${imagesURL}/48x48/red.gif" width="48" height="48" />            
+            <img src="${imagesURL}/48x48/red.gif" width="48" height="48" alt=""/>            
             Thread has died
           </h1>
           <pre>${h.printThrowable(it.causeOfDeath)}</pre>

core/src/main/resources/hudson/model/Fingerprint/index.jelly

@@ -10,7 +10,7 @@
     </l:side-panel>
     <l:main-panel>
       <h1>
-        <img src="${imagesURL}/48x48/fingerprint.gif" />
+        <img src="${imagesURL}/48x48/fingerprint.gif" alt=""/>
         ${it.fileName}
       </h1>
       <div class="md5sum">

core/src/main/resources/hudson/model/Hudson/fingerprintCheck.jelly

@@ -6,7 +6,7 @@
     <st:include page="sidepanel.jelly" />
     <l:main-panel>
       <h1>
-        <img src="${imagesURL}/48x48/fingerprint.gif" />
+        <img src="${imagesURL}/48x48/fingerprint.gif" alt=""/>
         ${%Check File Fingerprint}
       </h1>
       <f:form method="post" action="doFingerprintCheck" enctype="multipart/form-data">

core/src/main/resources/hudson/model/Hudson/legend.jelly

@@ -5,56 +5,56 @@
     <l:main-panel>
       <table cellpadding="5">
         <tr><td>
-          <img src="images/48x48/grey.gif" />
+          <img src="images/48x48/grey.gif" alt=""/>
           ${%grey}
         </td></tr>
         <tr><td>
-          <img src="images/48x48/grey_anime.gif"/>
+          <img src="images/48x48/grey_anime.gif" alt=""/>
           ${%grey_anime}
         </td></tr>
         <tr><td>
-          <img src="images/48x48/blue.gif"/>
+          <img src="images/48x48/blue.gif" alt=""/>
           ${%blue}
         </td></tr>
         <tr><td>
-          <img src="images/48x48/blue_anime.gif"/>
+          <img src="images/48x48/blue_anime.gif" alt=""/>
           ${%blue_anime}
         </td></tr>
         <tr><td>
-          <img src="images/48x48/yellow.gif"/>
+          <img src="images/48x48/yellow.gif" alt=""/>
           ${%yellow}
         </td></tr>
         <tr><td>
-          <img src="images/48x48/yellow_anime.gif"/>
+          <img src="images/48x48/yellow_anime.gif" alt=""/>
           ${%yellow_anime}
         </td></tr>
         <tr><td>
-          <img src="images/48x48/red.gif"/>
+          <img src="images/48x48/red.gif" alt=""/>
           ${%red}
         </td></tr>
         <tr><td>
-          <img src="images/48x48/red_anime.gif"/>
+          <img src="images/48x48/red_anime.gif" alt=""/>
           ${%red_anime}
         </td></tr>
         <tr><td>
-          <img src="images/48x48/health-80plus.gif" />
+          <img src="images/48x48/health-80plus.gif" alt=""/>
           ${%health-80plus}
         </td></tr>
         <tr><td>
-          <img src="images/48x48/health-60to79.gif" />
+          <img src="images/48x48/health-60to79.gif" alt=""/>
           ${%health-60to79}
         </td></tr>
         <tr><td>
-          <img src="images/48x48/health-40to59.gif" />
+          <img src="images/48x48/health-40to59.gif" alt=""/>
           ${%health-40to59}
         </td></tr>
         <tr><td>
-          <img src="images/48x48/health-20to39.gif" />
+          <img src="images/48x48/health-20to39.gif" alt=""/>
           ${%health-20to39}
           
         </td></tr>
         <tr><td>
-          <img src="images/48x48/health-00to19.gif" />
+          <img src="images/48x48/health-00to19.gif" alt=""/>
           ${%health-00to19}
         </td></tr>
       </table>

core/src/main/resources/hudson/model/Hudson/log.jelly

@@ -5,7 +5,7 @@
 <l:layout title="Log" permission="${app.ADMINISTER}">
   <st:include page="sidepanel.jelly" />
   <l:main-panel>
-    <h1><img src="images/48x48/clipboard.gif" />${%Hudson Log}</h1>
+    <h1><img src="images/48x48/clipboard.gif" alt=""/>${%Hudson Log}</h1>
     <j:forEach var="log" items="${h.logRecords}">
       <pre>${h.printLogRecord(log)}</pre>
     </j:forEach>
@@ -13,7 +13,7 @@
     <h2>
       ${%Logger Configuration}
       <a href="http://hudson.gotdns.com/wiki/display/HUDSON/Logger+Configuration">
-        <img src="${imagesURL}/16x16/help.gif" />
+        <img src="${imagesURL}/16x16/help.gif" alt="[help]"/>
       </a>
     </h2>
     <form action="configLogger" method="post">
@@ -37,7 +37,7 @@
 
     <!-- TODO: put this in the <head> tag. -->
     <div align="right" style="margin:1em">
-      <img src="${imagesURL}/atom.gif" border="0"/>
+      <img src="${imagesURL}/atom.gif" border="0" alt="Feed"/>
       <st:nbsp/><st:nbsp/><st:nbsp/><st:nbsp/>
       <a href="logRss">${%All}</a>
       <st:nbsp/><st:nbsp/><st:nbsp/><st:nbsp/>

core/src/main/resources/hudson/model/Hudson/projectRelationship.jelly

@@ -5,7 +5,7 @@
   <l:layout norefresh="true">
     <st:include page="sidepanel.jelly" />
     <l:main-panel>
-      <h1><img src="${imagesURL}/48x48/search.gif" />${%Project Relationship}</h1>
+      <h1><img src="${imagesURL}/48x48/search.gif" alt=""/>${%Project Relationship}</h1>
       <form action="projectRelationship" method="get">
         <table width="100%">
           <tr>
@@ -23,7 +23,7 @@
           <tr>
             <td colspan="3" style="text-align:right">
               <f:submit value="${%Compare}" />
-              <a href="projectRelationship-help"><img src="${imagesURL}/16x16/help.gif" /></a>
+              <a href="projectRelationship-help"><img src="${imagesURL}/16x16/help.gif" alt="[help]"/></a>
             </td>
           </tr>
 

core/src/main/resources/hudson/model/Job/buildTimeTrend.jelly

@@ -6,7 +6,7 @@
       <j:choose>
         <j:when test="${it.builds.size()&gt;1}">
           <div align="center">
-            <img src="buildTimeGraph" width="500" height="400" lazymap="buildTimeGraphMap"/>
+            <img src="buildTimeGraph" width="500" height="400" lazymap="buildTimeGraphMap" alt="[Build time graph]"/>
           </div>
 
           <j:set var="isMasterSlaveEnabled" value="${!empty(app.slaves)}"/>

core/src/main/resources/hudson/model/Label/index.jelly

@@ -3,7 +3,7 @@
     <st:include page="sidepanel.jelly" />
     <l:main-panel>
       <h1>
-        <img src="${imagesURL}/48x48/computer.gif" width="48" height="48" />
+        <img src="${imagesURL}/48x48/computer.gif" width="48" height="48" alt=""/>
         ${it.name}
       </h1>
 
@@ -12,7 +12,7 @@
         <j:forEach var="n" items="${it.nodes}">
           <j:set var="c" value="${app.getComputer(n.nodeName)}"/>
           <a href="${rootURL}/computer/${n.nodeName}">
-            <img src="${imagesURL}/16x16/${c.icon}" width="16" height="16" />
+            <img src="${imagesURL}/16x16/${c.icon}" width="16" height="16" alt=""/>
             ${c.displayName}
           </a>
           <st:nbsp />

core/src/main/resources/hudson/model/NoFingerprintMatch/index.jelly

@@ -9,7 +9,7 @@
     </l:side-panel>
     <l:main-panel>
       <h1>
-        <img src="${imagesURL}/48x48/fingerprint.gif"/>
+        <img src="${imagesURL}/48x48/fingerprint.gif" alt=""/>
         ${%No matching record found}
       </h1>
 

core/src/main/resources/hudson/model/Run/KeepLogBuildBadge/badge.jelly

 <img width="16" height="16"
-  title="${it.tooltip}"
+  title="${it.tooltip}" alt="[saved]"
   src="${imagesURL}/16x16/lock.gif"/>

core/src/main/resources/hudson/model/Run/console.jelly

@@ -18,7 +18,7 @@
         <j:when test="${it.isLogUpdated()}">
           <pre id="out"></pre>
           <div id="spinner">
-            <img src="${imagesURL}/spinner.gif" /> 
+            <img src="${imagesURL}/spinner.gif" alt="" /> 
           </div>
          <t:progressiveText href="progressiveLog" idref="out" spinner="spinner" />
         </j:when>

core/src/main/resources/hudson/model/TaskAction/log.jelly

@@ -7,7 +7,7 @@
     <j:when test="${it.workerThread.alive}">
       <pre id="out"></pre>
       <div id="spinner">
-        <img src="${imagesURL}/spinner.gif" />
+        <img src="${imagesURL}/spinner.gif" alt=""/>
       </div>
       <t:progressiveText href="progressiveLog" idref="out" spinner="spinner" />
     </j:when>

core/src/main/resources/hudson/model/UpdateCenter/DownloadJob/Failure/status.jelly

 <j:jelly xmlns:j="jelly:core" xmlns:st="jelly:stapler" xmlns:d="jelly:define" xmlns:l="/lib/layout" xmlns:t="/lib/hudson" xmlns:f="/lib/form">
   <div>
-    <img src="${imagesURL}/24x24/red.gif" /> ${%Failure}
+    <img src="${imagesURL}/24x24/red.gif" alt=""/> ${%Failure}
   </div>
   <pre>${it.stackTrace}</pre>
 </j:jelly>
\ No newline at end of file

core/src/main/resources/hudson/model/UpdateCenter/DownloadJob/Installing/status.jelly

 <j:jelly xmlns:j="jelly:core" xmlns:st="jelly:stapler" xmlns:d="jelly:define" xmlns:l="/lib/layout" xmlns:t="/lib/hudson" xmlns:f="/lib/form">
   <div>
-    <img src="${imagesURL}/24x24/grey_anime.gif" /> ${%Installing}
+    <img src="${imagesURL}/24x24/grey_anime.gif" alt=""/> ${%Installing}
   </div>
   <div style="padding-left: 32px">
     <t:progressBar pos="${it.percentage}" />

core/src/main/resources/hudson/model/UpdateCenter/DownloadJob/Pending/status.jelly

 <j:jelly xmlns:j="jelly:core" xmlns:st="jelly:stapler" xmlns:d="jelly:define" xmlns:l="/lib/layout" xmlns:t="/lib/hudson" xmlns:f="/lib/form">
-  <img src="${imagesURL}/24x24/grey.gif" /> ${%Pending}
+  <img src="${imagesURL}/24x24/grey.gif" alt=""/> ${%Pending}
 </j:jelly>
\ No newline at end of file

core/src/main/resources/hudson/model/UpdateCenter/DownloadJob/Success/status.jelly

 <j:jelly xmlns:j="jelly:core" xmlns:st="jelly:stapler" xmlns:d="jelly:define" xmlns:l="/lib/layout" xmlns:t="/lib/hudson" xmlns:f="/lib/form">
-  <img src="${imagesURL}/24x24/blue.gif" /> ${%Success}
+  <img src="${imagesURL}/24x24/blue.gif" alt=""/> ${%Success}
 </j:jelly>
\ No newline at end of file

core/src/main/resources/hudson/model/User/builds.jelly

@@ -3,7 +3,7 @@
     <st:include page="sidepanel.jelly" />
     <l:main-panel>
       <h1>
-        <img src="${imagesURL}/48x48/user.gif" />
+        <img src="${imagesURL}/48x48/user.gif" alt="" />
         Builds for ${it}
       </h1>
       <t:buildListTable builds="${it.builds}"/>

core/src/main/resources/hudson/model/User/index.jelly

@@ -3,7 +3,7 @@
     <st:include page="sidepanel.jelly" />
     <l:main-panel>
       <h1>
-        <img src="${imagesURL}/48x48/user.gif" />
+        <img src="${imagesURL}/48x48/user.gif" alt="" />
         ${it.fullName}
       </h1>
       <t:editableDescription />

core/src/main/resources/hudson/model/View/People/index.jelly

@@ -11,7 +11,7 @@
         </tr>
         <j:forEach var="p" items="${it.users}">
           <tr>
-            <td><a href="${rootURL}/${p.user.url}"><img src="${imagesURL}/32x32/user.gif"/></a></td>
+            <td><a href="${rootURL}/${p.user.url}"><img src="${imagesURL}/32x32/user.gif" alt=""/></a></td>
             <td><a href="${rootURL}/${p.user.url}">${p.user}</a></td>
             <td data="${p.timeSortKey}">${p.lastChangeTimeString}</td>
             <td><a href="${rootURL}/${p.project.url}">${p.project.name}</a></td>

core/src/main/resources/hudson/model/View/builds.jelly

@@ -3,7 +3,7 @@
     <st:include page="sidepanel.jelly" />
     <l:main-panel>
       <h1>
-        <img src="${imagesURL}/48x48/notepad.gif" />
+        <img src="${imagesURL}/48x48/notepad.gif" alt=""/>
         ${%buildHistory(it.displayName)}
       </h1>
       <t:buildListTable builds="${it.builds}"/>

core/src/main/resources/hudson/scm/AbstractScmTagAction/badge.jelly

@@ -2,6 +2,7 @@
   <a href="${rootURL}/${it.build.url}tagBuild/">
     <img width="16" height="16"
       tooltip="${it.tooltip}"
+      alt="[tagged]"
       src="${imagesURL}/16x16/save.gif"/>
   </a>
 </j:if>

core/src/main/resources/hudson/scm/SubversionSCM/DescriptorImpl/enterCredential.jelly

@@ -4,7 +4,7 @@
     <l:side-panel />
     <l:main-panel>
       <h1>
-        <img src="${imagesURL}/48x48/secure.gif" width="48" height="48" />
+        <img src="${imagesURL}/48x48/secure.gif" width="48" height="48" alt=""/>
         ${%Subversion Authentication}
       </h1>
       <p>

core/src/main/resources/hudson/security/HudsonPrivateSecurityRealm/_entryForm.jelly

@@ -45,7 +45,7 @@
                 <td>${%Enter text as shown}:</td>
                 <td>
                   <input type="text" name="captcha" autocomplete="off" /><br />
-                  <img src="${rootURL}/securityRealm/captcha"/>
+                  <img src="${rootURL}/securityRealm/captcha" alt="[captcha]"/>
                 </td>
               </tr>
             </j:if>

core/src/main/resources/hudson/security/HudsonPrivateSecurityRealm/index.jelly

@@ -13,9 +13,9 @@
         </tr>
         <j:forEach var="user" items="${it.allUsers}">
           <tr>
-            <td><a href="${user.url}"><img src="${imagesURL}/32x32/user.gif"/></a></td>
+            <td><a href="${user.url}"><img src="${imagesURL}/32x32/user.gif" alt=""/></a></td>
             <td><a href="${user.url}">${user}</a></td>
-            <td><a href="${user.url}/configure"><img src="${imagesURL}/32x32/setting.gif"/></a></td>
+            <td><a href="${user.url}/configure"><img src="${imagesURL}/32x32/setting.gif" alt="Setting"/></a></td>
           </tr>
         </j:forEach>
       </table>

core/src/main/resources/hudson/slaves/SlaveComputer/log.jelly

@@ -5,7 +5,7 @@
       <l:isAdmin>
         <pre id="out"></pre>
         <div id="spinner">
-          <img src="${imagesURL}/spinner.gif" />
+          <img src="${imagesURL}/spinner.gif" alt=""/>
         </div>
         <t:progressiveText href="progressiveLog" idref="out" spinner="spinner" />
       </l:isAdmin>

core/src/main/resources/hudson/tasks/Fingerprinter/FingerprintAction/index.jelly

@@ -8,7 +8,7 @@
     <st:include it="${it.build}" page="sidepanel.jelly" />
     <l:main-panel>
       <h1>
-        <img src="${imagesURL}/48x48/fingerprint.gif" />
+        <img src="${imagesURL}/48x48/fingerprint.gif" alt=""/>
         ${%Recorded Fingerprints}
       </h1>
       <table class="fingerprint-in-build sortable">
@@ -42,7 +42,7 @@
             </td>
             <td>
               <a href="${rootURL}/fingerprint/${f.hashString}/">
-                <img src="${imagesURL}/16x16/fingerprint.gif" /> ${%more details}
+                <img src="${imagesURL}/16x16/fingerprint.gif" alt=""/> ${%more details}
               </a>
             </td>
           </tr>

core/src/main/resources/hudson/tasks/test/TestResultProjectAction/floatingBox.jelly

@@ -12,7 +12,7 @@
         ${%Test Result Trend}
       </div>
       <div>
-        <img src="test/trend${trendQueryString1}" lazymap="test/trendMap${trendQueryString1}"/>
+        <img src="test/trend${trendQueryString1}" lazymap="test/trendMap${trendQueryString1}" alt="[Test result trend chart]"/>
       </div>
       <div style="text-align:right">
         <a href="test/flipTrend">

core/src/main/resources/hudson/tasks/test/TestResultProjectAction/index.jelly

@@ -3,7 +3,7 @@
     <st:include page="sidepanel.jelly" it="${it.project}" />
     <l:main-panel>
       <div>
-        <img src="trend?${request.queryString}" lazymap="trendMap?rel=../&amp;${request.queryString}"/>
+        <img src="trend?${request.queryString}" lazymap="trendMap?rel=../&amp;${request.queryString}" alt="[Test result trend chart]"/>
       </div>
     </l:main-panel>
   </l:layout>

core/src/main/resources/hudson/widgets/HistoryWidget/index.jelly

@@ -17,7 +17,7 @@
             function loadAllBuildHistory() {
               // first display the "loading..." icon
               var box = $("loadAllBuildHistory");
-              box.innerHTML = '<img src="${imagesURL}/spinner.gif" />';
+              box.innerHTML = '<img src="${imagesURL}/spinner.gif" alt=""/>';
 
               // then actually fetch the HTML
               new Ajax.Request("${it.baseUrl}/buildHistory/all",{
@@ -49,9 +49,9 @@
     -->
     <tr class="build-row">
       <td colspan="2" align="right">
-        <a href="${it.baseUrl}/rssAll"><img src="${imagesURL}/atom.gif" border="0"/> ${%for all}</a>
+        <a href="${it.baseUrl}/rssAll"><img src="${imagesURL}/atom.gif" border="0" alt="Feed"/> ${%for all}</a>
         <st:nbsp/>
-        <a href="${it.baseUrl}/rssFailed"><img src="${imagesURL}/atom.gif" border="0"/> ${%for failures}</a>
+        <a href="${it.baseUrl}/rssFailed"><img src="${imagesURL}/atom.gif" border="0" alt="Feed"/> ${%for failures}</a>
       </td>
     </tr>
   </l:pane>

core/src/main/resources/lib/form/hetero-list.jelly

@@ -30,7 +30,7 @@
             </td>
             <j:if test="${help!=null}">
               <td>
-                <a href="#" class="help-button" helpURL="${rootURL}${help}"><img src="${imagesURL}/16x16/help.gif" /></a>
+                <a href="#" class="help-button" helpURL="${rootURL}${help}"><img src="${imagesURL}/16x16/help.gif" alt="[help]"/></a>
               </td>
             </j:if>
           </tr>

core/src/main/resources/lib/hudson/buildListTable.jelly

@@ -36,7 +36,7 @@
         </td>
         <td>
           <a href="${rootURL}/${b.url}console">
-            <img src="${imagesURL}/${subIconSize}/terminal.gif" title="${%Console output}" border="0" />
+            <img src="${imagesURL}/${subIconSize}/terminal.gif" title="${%Console output}" alt="${%Console output}" border="0" />
           </a>
         </td>
       </tr>

core/src/main/resources/lib/hudson/editTypeIcon.jelly

@@ -4,4 +4,4 @@
 -->
 <img width="16" height="16"
   src="${imagesURL}/16x16/document_${type.name}.gif"
-  title="${type.description}" />
+  title="${type.description}" alt="${type.description}" />

core/src/main/resources/lib/hudson/editableDescription.jelly

@@ -11,7 +11,7 @@
 
     <l:hasPermission permission="${permission}">
       <div align="right"><a href="editDescription" onclick="${h.ifThenElse(h.isAutoRefresh(request), null, 'return replaceDescription();')}">
-        <img src="${imagesURL}/16x16/notepad.gif" />
+        <img src="${imagesURL}/16x16/notepad.gif" alt="" />
         <j:choose>
           <j:when test="${empty(it.description)}">
             ${%add description}

core/src/main/resources/lib/hudson/projectView.jelly

@@ -127,7 +127,8 @@
                         <td>
                             <j:if test="${job.buildable and job.hasPermission(job.BUILD)}">
                                 <a href="${jobBaseUrl}${job.shortUrl}build?delay=0sec">
-                                    <img src="${imagesURL}/${subIconSize}/clock.gif" title="${%Schedule a build}"
+                                    <img src="${imagesURL}/${subIconSize}/clock.gif"
+                                         title="${%Schedule a build}" alt="${%Schedule a build}"
                                          border="0"/>
                                 </a>
                             </j:if>

core/src/main/resources/lib/hudson/rssBar.jelly

@@ -2,13 +2,13 @@
   <div align="right" style="margin:1em">
     <a href="${rootURL}/legend">${%Legend}</a>
     <span style="padding-left:1em">
-      <a href="rssAll"><img src="${imagesURL}/atom.gif" border="0"/> ${%for all}</a>
+      <a href="rssAll"><img src="${imagesURL}/atom.gif" border="0" alt="Feed"/> ${%for all}</a>
     </span>
     <span style="padding-left:1em">
-      <a href="rssFailed"><img src="${imagesURL}/atom.gif" border="0"/> ${%for failures}</a>
+      <a href="rssFailed"><img src="${imagesURL}/atom.gif" border="0" alt="Feed"/> ${%for failures}</a>
     </span>
     <span style="padding-left:1em">
-      <a href="rssLatest"><img src="${imagesURL}/atom.gif" border="0"/> ${%for just latest builds}</a>
+      <a href="rssLatest"><img src="${imagesURL}/atom.gif" border="0" alt="Feed"/> ${%for just latest builds}</a>
     </span>
   </div>
 </j:jelly>

core/src/main/resources/lib/hudson/summary.jelly

@@ -19,7 +19,7 @@ Attributes:
         <td>
           <a href="${attrs.href}">
             <img src="${h.ifThenElse(icon.startsWith('/'), rootURL+icon, imagesURL+'/48x48/'+icon)}"
-                 width="48" height="48" style="margin-right:1em" />
+                 alt="" width="48" height="48" style="margin-right:1em" />
           </a>
         </td>
         <td style="vertical-align:middle">

core/src/main/resources/lib/layout/layout.jelly

@@ -101,7 +101,7 @@
                 <div id="searchform">
                   <input name="q" value="search" id="search-box" class="has-default-text defaulted" />
                   <st:nbsp />
-                  <a href="${%searchBox.url}"><img src="${imagesURL}/16x16/help.png" /></a>
+                  <a href="${%searchBox.url}"><img src="${imagesURL}/16x16/help.png" alt="help for search" /></a>
                   <div id="search-box-completion" />
                   <script>createSearchBox("${searchURL}");</script>
                 </div>