# HG changeset patch
# User Chengsong
# Date 1581199031 0
# Node ID 576ddb23f596f5e7e2ba3b5f08f9029be2b48c09
# Parent  0203065d13705dfea284a6289e43d6bdd116860e
madly

diff -r 0203065d1370 -r 576ddb23f596 etnms/etnms.tex
--- 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