Fix problem filter scope wording

* use "selected elements" instead of "selected element" in all
implementations
* use "their children" due to the plural form of "elements"
* remove double blank in working set related scope

bundles/org.eclipse.search/new search/org/eclipse/search/ui/text/FileTextSearchScope.java

@@ -74,7 +74,7 @@ public static FileTextSearchScope newWorkspaceScope(String[] fileNamePatterns, b
 	 * @param roots the roots resources defining the scope.
 	 * @param fileNamePatterns file name pattern that all files have to match <code>null</code> to include all file names.
 	 * @param includeDerived defines if derived files and files inside derived containers are included in the scope.
-	 * @return a scope containing the resources and its children if they match the given file name patterns.
+	 * @return a scope containing the resources and their children if they match the given file name patterns.
 	 */
 	public static FileTextSearchScope newSearchScope(IResource[] roots, String[] fileNamePatterns, boolean includeDerived) {
 		roots= removeRedundantEntries(roots, includeDerived);

bundles/org.eclipse.ui.ide/schema/markerSupport.exsd

@@ -591,7 +591,7 @@ If this value is not set the value is ON_ANY
          <meta.section type="examples"/>
       </appinfo>
       <documentation>
-         The following is an example of a problem filter definition in the marker support. This example only shows java warnings on the selected element and its children and filters out those with the String NON-NLS
+         The following is an example of a problem filter definition in the marker support. This example only shows java warnings on the selected elements and their children and filters out those with the String NON-NLS
 &lt;p&gt;
 &lt;pre&gt;
  &lt;extension point=&quot;org.eclipse.ui.ide.markerSupport&quot;&gt;

bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/messages.properties

@@ -73,11 +73,11 @@ filtersDialog_showItemsOfType = Show items of &type:
 filtersDialog_anyResource = No filter, show all &elements
 filtersDialog_anyResourceInSameProject = On elements in selected pro&jects
 filtersDialog_selectedResource = On selected ele&ments only
-filtersDialog_selectedAndChildren = On selected elements and its c&hildren
-filtersDialog_workingSet = On wor&king set:  {0}
+filtersDialog_selectedAndChildren = On selected elements and their c&hildren
+filtersDialog_workingSet = On wor&king set: {0}
 filtersDialog_currentWorkingSet = On selected wor&king set
 filtersDialog_workingSetSelect = &Select...
-filtersDialog_noWorkingSet = On wor&king set:  <no working set selected>
+filtersDialog_noWorkingSet = On wor&king set: <no working set selected>
 filtersDialog_selectAll = Select &All
 filtersDialog_deselectAll = &Deselect All
 filtersDialog_selectAllTypes = Sele&ct All
@@ -238,8 +238,8 @@ ProblemFilterDialog_Contains_Description = On any description containing {0}
 ProblemFilterDialog_Does_Not_Contain_Description = On any description not containing {0}
 ProblemFilterDialog_any = Filter on any element
 ProblemFilterDialog_sameContainer = Filter on any in the same container
-ProblemFilterDialog_selectedAndChildren = Filter on selected element and its children
-ProblemFilterDialog_selected = Filter on selected element only
+ProblemFilterDialog_selectedAndChildren = Filter on selected elements and their children
+ProblemFilterDialog_selected = Filter on selected elements only
 ProblemFilterDialog_workingSet = Filter on working set {0}  
 
 ProblemFilterRegistry_nullType = Marker type {0} referenced in {1} does not exist.