i cannot find the bug# it is for selecting inside forms. we need to turn off selection in certain frames based on the style. this sets up it to work once we figure out the style rule to set.

layout/generic/nsFrame.cpp

@@ -587,7 +587,15 @@ nsFrame::DisplaySelection(nsIPresContext& aPresContext, PRBool isOkToTurnOn)
       }
     }
   }
-
+  if (result)
+  {
+    // Prepare the block reflow engine
+    const nsStyleUserInterface* userinterface;
+    GetStyleData(eStyleStruct_UserInterface,
+                      (const nsStyleStruct*&) userinterface);
+    if (userinterface)
+      result = userinterface->mUserSelect;
+  }
   return result;
 }
 

layout/html/base/src/nsFrame.cpp

@@ -587,7 +587,15 @@ nsFrame::DisplaySelection(nsIPresContext& aPresContext, PRBool isOkToTurnOn)
       }
     }
   }
-
+  if (result)
+  {
+    // Prepare the block reflow engine
+    const nsStyleUserInterface* userinterface;
+    GetStyleData(eStyleStruct_UserInterface,
+                      (const nsStyleStruct*&) userinterface);
+    if (userinterface)
+      result = userinterface->mUserSelect;
+  }
   return result;
 }