diff --git a/1984/mullender/Makefile b/1984/mullender/Makefile
index 32e2ac559..c7f644dc8 100644
--- a/1984/mullender/Makefile
+++ b/1984/mullender/Makefile
@@ -161,7 +161,6 @@ everything: all alt
 # utility rules
 ###############
 #
-
 clean:
 	${RM} -f ${OBJ} ${ALT_OBJ}
 	@-if [ -f indent.c ]; then \
diff --git a/1985/august/Makefile b/1985/august/Makefile
index 44603849a..b6e4cf900 100644
--- a/1985/august/Makefile
+++ b/1985/august/Makefile
@@ -161,7 +161,6 @@ everything: all alt
 # utility rules
 ###############
 #
-
 clean:
 	${RM} -f ${OBJ} ${ALT_OBJ}
 	@-if [ -f indent.c ]; then \
diff --git a/1985/lycklama/Makefile b/1985/lycklama/Makefile
index 876a4773c..87503e6c5 100644
--- a/1985/lycklama/Makefile
+++ b/1985/lycklama/Makefile
@@ -161,7 +161,6 @@ everything: all alt
 # utility rules
 ###############
 #
-
 clean:
 	${RM} -f ${OBJ} ${ALT_OBJ}
 	@-if [ -f indent.c ]; then \
diff --git a/1985/shapiro/Makefile b/1985/shapiro/Makefile
index 65365c0a9..fefb7cdf9 100644
--- a/1985/shapiro/Makefile
+++ b/1985/shapiro/Makefile
@@ -160,7 +160,6 @@ everything: all alt
 # utility rules
 ###############
 #
-
 clean:
 	${RM} -f ${OBJ} ${ALT_OBJ}
 	@-if [ -f indent.c ]; then \
diff --git a/1985/sicherman/Makefile b/1985/sicherman/Makefile
index 92518b5cc..833322c11 100644
--- a/1985/sicherman/Makefile
+++ b/1985/sicherman/Makefile
@@ -163,7 +163,6 @@ everything: all alt
 # utility rules
 ###############
 #
-
 clean:
 	${RM} -f ${OBJ} ${ALT_OBJ}
 	@-if [ -f indent.c ]; then \
diff --git a/1986/applin/Makefile b/1986/applin/Makefile
index b9bca08c7..b707012c8 100644
--- a/1986/applin/Makefile
+++ b/1986/applin/Makefile
@@ -161,7 +161,6 @@ everything: all alt
 # utility rules
 ###############
 #
-
 clean:
 	${RM} -f ${OBJ} ${ALT_OBJ}
 	@-if [ -f indent.c ]; then \
diff --git a/1986/august/Makefile b/1986/august/Makefile
index 7e8030bf2..0198d3319 100644
--- a/1986/august/Makefile
+++ b/1986/august/Makefile
@@ -162,7 +162,6 @@ everything: all alt
 # utility rules
 ###############
 #
-
 clean:
 	${RM} -f ${OBJ} ${ALT_OBJ}
 	@-if [ -f indent.c ]; then \
diff --git a/1986/bright/Makefile b/1986/bright/Makefile
index 2973b9339..d1833a2ae 100644
--- a/1986/bright/Makefile
+++ b/1986/bright/Makefile
@@ -168,7 +168,6 @@ everything: all alt
 # utility rules
 ###############
 #
-
 clean:
 	${RM} -f ${OBJ} ${ALT_OBJ}
 	@-if [ -f indent.c ]; then \
diff --git a/1986/hague/Makefile b/1986/hague/Makefile
index 9757ce62a..77a92befb 100644
--- a/1986/hague/Makefile
+++ b/1986/hague/Makefile
@@ -159,7 +159,6 @@ everything: all alt
 # utility rules
 ###############
 #
-
 clean:
 	${RM} -f ${OBJ} ${ALT_OBJ}
 	@-if [ -f indent.c ]; then \
diff --git a/1986/holloway/Makefile b/1986/holloway/Makefile
index 71cb7b8ab..650d89392 100644
--- a/1986/holloway/Makefile
+++ b/1986/holloway/Makefile
@@ -161,7 +161,6 @@ everything: all alt
 # utility rules
 ###############
 #
-
 clean:
 	${RM} -f ${OBJ} ${ALT_OBJ}
 	@-if [ -f indent.c ]; then \
diff --git a/1986/marshall/Makefile b/1986/marshall/Makefile
index a3a279fc1..031446ea4 100644
--- a/1986/marshall/Makefile
+++ b/1986/marshall/Makefile
@@ -163,7 +163,6 @@ everything: all alt
 # utility rules
 ###############
 #
-
 clean:
 	${RM} -f ${OBJ} ${ALT_OBJ}
 	@-if [ -f indent.c ]; then \
diff --git a/1986/pawka/Makefile b/1986/pawka/Makefile
index 23db97769..b2549ae05 100644
--- a/1986/pawka/Makefile
+++ b/1986/pawka/Makefile
@@ -159,7 +159,6 @@ everything: all alt
 # utility rules
 ###############
 #
-
 clean:
 	${RM} -f ${OBJ} ${ALT_OBJ}
 	@-if [ -f indent.c ]; then \
diff --git a/1986/wall/Makefile b/1986/wall/Makefile
index 354ad6301..e9f75cb68 100644
--- a/1986/wall/Makefile
+++ b/1986/wall/Makefile
@@ -167,7 +167,6 @@ everything: all alt
 # utility rules
 ###############
 #
-
 clean:
 	${RM} -f ${OBJ} ${ALT_OBJ}
 	@-if [ -f indent.c ]; then \
diff --git a/1987/biggar/Makefile b/1987/biggar/Makefile
index 74a05efd0..76e5cc1f8 100644
--- a/1987/biggar/Makefile
+++ b/1987/biggar/Makefile
@@ -161,7 +161,6 @@ everything: all alt
 # utility rules
 ###############
 #
-
 clean:
 	${RM} -f ${OBJ} ${ALT_OBJ}
 	@-if [ -f indent.c ]; then \
diff --git a/1987/heckbert/Makefile b/1987/heckbert/Makefile
index 5504ed976..0611220da 100644
--- a/1987/heckbert/Makefile
+++ b/1987/heckbert/Makefile
@@ -161,7 +161,6 @@ everything: all alt
 # utility rules
 ###############
 #
-
 clean:
 	${RM} -f ${OBJ} ${ALT_OBJ}
 	@-if [ -f indent.c ]; then \
diff --git a/1987/hines/Makefile b/1987/hines/Makefile
index 89de5bb77..8b8bad0e5 100644
--- a/1987/hines/Makefile
+++ b/1987/hines/Makefile
@@ -163,7 +163,6 @@ everything: all alt
 # utility rules
 ###############
 #
-
 clean:
 	${RM} -f ${OBJ} ${ALT_OBJ}
 	@-if [ -f indent.c ]; then \
diff --git a/1987/korn/Makefile b/1987/korn/Makefile
index b59babeca..2c4c2e374 100644
--- a/1987/korn/Makefile
+++ b/1987/korn/Makefile
@@ -161,7 +161,6 @@ everything: all alt
 # utility rules
 ###############
 #
-
 clean:
 	${RM} -f ${OBJ} ${ALT_OBJ}
 	@-if [ -f indent.c ]; then \
diff --git a/1987/lievaart/Makefile b/1987/lievaart/Makefile
index ffb3e780e..59558360a 100644
--- a/1987/lievaart/Makefile
+++ b/1987/lievaart/Makefile
@@ -172,7 +172,6 @@ everything: all alt
 # utility rules
 ###############
 #
-
 clean:
 	${RM} -f ${OBJ} ${ALT_OBJ}
 	@-if [ -f indent.c ]; then \
diff --git a/1987/wall/Makefile b/1987/wall/Makefile
index 13b63f185..f964edbc2 100644
--- a/1987/wall/Makefile
+++ b/1987/wall/Makefile
@@ -163,7 +163,6 @@ everything: all alt
 # utility rules
 ###############
 #
-
 clean:
 	${RM} -f ${OBJ} ${ALT_OBJ}
 	@-if [ -f indent.c ]; then \
diff --git a/1987/westley/Makefile b/1987/westley/Makefile
index 042f996ab..93b4df903 100644
--- a/1987/westley/Makefile
+++ b/1987/westley/Makefile
@@ -160,7 +160,6 @@ everything: all alt
 # utility rules
 ###############
 #
-
 clean:
 	${RM} -f ${OBJ} ${ALT_OBJ}
 	@-if [ -f indent.c ]; then \