Add 3 missing translatable items to master XML for 6.8.8

This is an attempt to add the complete, currently known unofficial strings to original english.xml language template. For version 6.8.8. Don Ho should review them, and make them official.

PowerEditor/installer/nativeLang/english.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8" ?>
 <NotepadPlus>
-    <Native-Langue name="English" filename="english.xml" version="6.8.2">
+    <Native-Langue name="English" filename="english.xml" version="6.8.8">
         <Menu>
             <Main>
                 <!-- Main Menu Entries -->
@@ -280,6 +280,7 @@
                     <Item id="47003" name="Online Documentation"/>
 					<Item id="47004" name="Notepad++ Community (Forum)"/>
                     <Item id="47011" name="Live Support"/>
+                    <Item id="47012" name="Debug Info"/>
                     <Item id="47005" name="Get More Plugins"/>
                     <Item id="47006" name="Update Notepad++"/>
                     <Item id="47009" name="Set Updater Proxy..."/>
@@ -661,6 +662,7 @@
                     <Item id="6214" name="Enable current line highlighting"/>
 					<Item id="6215" name="Enable smooth font"/>
                     <Item id="6231" name="Border Width"/>
+                    <Item id="6235" name="No edge"/>
                 </Scintillas>
 
                 <NewDoc title="New Document">
@@ -683,6 +685,7 @@
                     <Item id="6413" name="Default Directory (Open/Save)"/>
                     <Item id="6414" name="Follow current document"/>
                     <Item id="6415" name="Remember last used directory"/>
+                    <Item id="6430" name="Use new style save dialog (without file extension feature)"/>
                 </DefaultDir>
 
                 <FileAssoc title="File Association">