diff -r ee0f584fc4dc -r d7926d7136bd lexers/LexAU3.cxx
--- a/lexers/LexAU3.cxx	Mon Jan 23 00:10:48 2012 +0200
+++ b/lexers/LexAU3.cxx	Mon Jan 23 08:13:58 2012 +0200
@@ -729,6 +729,11 @@ static void FoldAU3Doc(unsigned int star
 	bool foldInComment = styler.GetPropertyInt("fold.comment") == 2;
 	bool foldCompact = styler.GetPropertyInt("fold.compact", 1) != 0;
 	bool foldpreprocessor = styler.GetPropertyInt("fold.preprocessor") != 0;
+	const int LastLine = styler.GetLine(endPos);		//! var for use in FIX Last lines end tags not folding / fold highlight shows invalid range with Empty Newline
 	// Backtrack to previous line in case need to fix its fold status
 	int lineCurrent = styler.GetLine(startPos);
 	if (startPos > 0) {
@@ -851,7 +856,8 @@ static void FoldAU3Doc(unsigned int star
 			}
 		}
 		// End of Line found so process the information
-		if ((ch == '\r' && chNext != '\n') || (ch == '\n') || (i == endPos)) {
+		if (  (ch == '\r' && chNext != '\n') || (ch == '\n') || (i == endPos)|| (lineCurrent == LastLine)  ) {		//! FIX Last lines end tags not folding / fold highlight shows invalid range with Empty Newline
 			// **************************
 			// Folding logic for Keywords
 			// **************************