--- a/etnms/etnms.tex	Sat Feb 08 21:53:06 2020 +0000
+++ b/etnms/etnms.tex	Sat Feb 08 21:57:11 2020 +0000
@@ -109,6 +109,8 @@
 
 
 \section{Introduction}
+%Regular expressions' derivatives, which have received 
+%renewed interest in the new millenium, is a beautiful....
 While we believe derivatives of regular expressions, written
 $r\backslash s$, are a beautiful concept (in terms of ease of
 implementing them in functional programming languages and in terms of
@@ -143,7 +145,6 @@
 \section{Recapitulation of Concepts From the Last Report}
 
 \subsection*{Regular Expressions and Derivatives}
-
 Suppose (basic) regular expressions are given by the following grammar:
 
 \[			r ::=   \ZERO \mid  \ONE