fixed the bug of not able to find the longest match for a multiple-character RS.

qse/regress/awk/Makefile.am

@@ -104,6 +104,7 @@ EXTRA_DIST = \
 	lang-040.awk \
 	lang-041.awk \
 	lang-042.awk \
+	lang-043.awk \
 	columnate.awk \
 	levenshtein.awk \
 	levenshtein-utests.awk \
@@ -117,6 +118,7 @@ EXTRA_DIST = \
 	lang-035.dat2 \
 	lang-036.dat \
 	lang-037.dat \
+	lang-043.dat \
 	adr.dat \
 	asm.dat \
 	cou.dat \

qse/regress/awk/Makefile.in

@@ -293,6 +293,7 @@ EXTRA_DIST = \
 	lang-040.awk \
 	lang-041.awk \
 	lang-042.awk \
+	lang-043.awk \
 	columnate.awk \
 	levenshtein.awk \
 	levenshtein-utests.awk \
@@ -306,6 +307,7 @@ EXTRA_DIST = \
 	lang-035.dat2 \
 	lang-036.dat \
 	lang-037.dat \
+	lang-043.dat \
 	adr.dat \
 	asm.dat \
 	cou.dat \

qse/regress/awk/lang-043.awk

@@ -0,0 +1,7 @@
+BEGIN {
+	RS="[\t\n\v\f\r ]*[\r\n]+[\t\n\v\f\r ]*"
+} 
+
+{
+	print $0
+}

qse/regress/awk/lang-043.dat

@@ -0,0 +1,13 @@
+abcd    
+
+
+
+
+		dcba			
+
+
+
+
+
+
+           	 j

qse/regress/awk/regress.out

@@ -2087,6 +2087,20 @@ IGNORECASE= 1
 1
 1
 --------------------------------------------------------------------------------
+[CMD]  qseawk  --newline=on -o- -f lang-043.awk lang-043.dat </dev/stdin 2>&1 
+--------------------------------------------------------------------------------
+BEGIN {
+	RS = "[	\n\v\f\r ]*[\r\n]+[	\n\v\f\r ]*";
+}
+
+{
+	print $0;
+}
+
+abcd
+dcba
+j
+--------------------------------------------------------------------------------
 [CMD]  qseawk  --newline=on -F: -f columnate.awk ./passwd.dat </dev/stdin 2>&1 
 --------------------------------------------------------------------------------
 root               x  0      0      root                                /root                       /bin/bash

qse/regress/awk/regress.out.xma

@@ -2087,6 +2087,20 @@ IGNORECASE= 1
 1
 1
 --------------------------------------------------------------------------------
+[CMD]  qseawk -m 500000 --newline=on -o- -f lang-043.awk lang-043.dat </dev/stdin 2>&1 
+--------------------------------------------------------------------------------
+BEGIN {
+	RS = "[	\n\v\f\r ]*[\r\n]+[	\n\v\f\r ]*";
+}
+
+{
+	print $0;
+}
+
+abcd
+dcba
+j
+--------------------------------------------------------------------------------
 [CMD]  qseawk -m 500000 --newline=on -F: -f columnate.awk ./passwd.dat </dev/stdin 2>&1 
 --------------------------------------------------------------------------------
 root               x  0      0      root                                /root                       /bin/bash

qse/regress/awk/regress.sh

@@ -165,6 +165,7 @@ PROGS="
 	lang-040.awk!!!--newline=on -o-
 	lang-041.awk!!!--newline=on -o-
 	lang-042.awk!!!--newline=on -o-
+	lang-043.awk!lang-043.dat!!--newline=on -o-
 
 	columnate.awk!./passwd.dat!!--newline=on -F:
 	levenshtein-utests.awk!!!--newline=on --include=on