# This patch file was generated by NetBeans IDE
# This patch can be applied using context Tools: Apply Diff Patch action on respective folder.
# It uses platform neutral UTF-8 encoding.
# Above lines and this line are ignored by the patching process.
Index: cnd/highlight/src/org/netbeans/modules/cnd/highlight/error/HighlightProvider.java
--- cnd/highlight/src/org/netbeans/modules/cnd/highlight/error/HighlightProvider.java Base (1.6)
+++ cnd/highlight/src/org/netbeans/modules/cnd/highlight/error/HighlightProvider.java Locally Modified (Based On 1.6)
@@ -231,12 +231,14 @@
         }
         Set<CsmFile> opened = new HashSet<CsmFile>();
         for (JTextComponent component : panes) {
+            if (component.isShowing()) {
             Document doc = component.getDocument();
             CsmFile file = CsmUtilities.getCsmFile(doc, false);
             if (file != null && file.isParsed()) {
                 opened.add(file);
             }
         }
+        }
         List<CsmFile> toDelete = new ArrayList<CsmFile>();
         for(Iterator<CsmFile> it = annotations.keySet().iterator(); it.hasNext();){
             CsmFile file = it.next();
@@ -268,6 +270,7 @@
 
     private void checkNodes(List<? extends JTextComponent> panes){
         for (JTextComponent component : panes) {
+            if (component.isShowing()) {
             Document doc = component.getDocument();
             CsmFile file = CsmUtilities.getCsmFile(doc, false);
             if (file != null && file.isParsed()) {
@@ -276,6 +279,7 @@
             }
         }
     }
+    }
 
     private boolean isNeededUpdateAnnotations(BaseDocument doc, CsmFile file) {
         if (doc == null || file == null) {