Bug 598169 - The new "About" dialog should allow version-string to be selectable. r=dolske

browser/base/content/aboutDialog.css

@@ -21,6 +21,9 @@
 #version {
   margin-top: 10px;
   -moz-margin-start: 0;
+  -moz-user-select: text;
+  -moz-user-focus: normal;
+  cursor: text;
 }
 
 #distribution,

browser/base/content/aboutDialog.js

@@ -70,7 +70,7 @@ function init(aEvent)
   if (/a\d+$/.test(version)) {
     let buildID = Services.appinfo.appBuildID;
     let buildDate = buildID.slice(0,4) + "-" + buildID.slice(4,6) + "-" + buildID.slice(6,8);
-    document.getElementById("version").value += " (" + buildDate + ")";
+    document.getElementById("version").textContent += " (" + buildDate + ")";
   }
 
 #ifdef MOZ_OFFICIAL_BRANDING

browser/base/content/aboutDialog.xul

@@ -76,7 +76,7 @@
     <hbox id="clientBox">
       <vbox id="leftBox" flex="1"/>
       <vbox id="rightBox" flex="1">
-#expand <label id="version" value="__MOZ_APP_VERSION__"/>
+#expand <label id="version">__MOZ_APP_VERSION__</label>
         <label id="distribution" class="text-blurb"/>
         <label id="distributionId" class="text-blurb"/>