fix improper use of whitespace in README.md files

The use of the markdown trailing whitespace to indicate
line break should NOT be done when the following line is empty.

This removes such improper use of whitespace in README.md files.

1993/ant/README.md

@@ -4,7 +4,7 @@ Anthony Howe
 Mortice Kern Systems, Inc.  
 Unit 1, 14 Weber Street North  
 Waterloo, Ontario, N2J 3G4  
-Canada  
+Canada
 
 ## To build:
 

1993/cmills/README.md

@@ -4,7 +4,7 @@ Chris Mills
 Pagine Corporation  
 1961-A Concourse Drive  
 San Jose, CA 95131  
-US  
+US
 
 ## To build:
 
@@ -32,7 +32,7 @@ where:
 ## Judges' remarks:
 
 From the San Jose Mercury News (May 15, 1993 page 20A "West Hackers 
-trounce East in computer quiz game"): 
+trounce East in computer quiz game"):
 
 
 >	"Since 1984, a contest has been held on Usenet for the most

1993/dgibson/README.md

@@ -5,7 +5,7 @@ University of Cape Town
 1 Sweet Valley Road  
 Bergvliet  
 7945  
-South Africa  
+South Africa
 
 ## To build:
 

1993/ejb/README.md

@@ -4,7 +4,7 @@ E. Jay Berkenbilt
 Engineering Research Associates  
 1595 Springhill Road  
 Vienna, VA 22182-2235  
-US  
+US
 
 ## To build:
 

1993/jonth/README.md

@@ -4,7 +4,7 @@ Jon Thingvold
 University of Oslo  
 Sogn Studentby 8231  
 N 0858 Oslo  
-Norway  
+Norway
 
 
 ## To build:

1993/leo/README.md

@@ -4,7 +4,7 @@ Leonid A. Broukhis
 Moscow Centre of SPARC Technology  
 123481 Liberty St.,  
 89-1-95 Moscow  
-Russia  
+Russia
 
 
 ## To build:

1993/lmfjyh/README.md

@@ -1,7 +1,7 @@
 # Most Versatile Source
 
 Jyrki Holopainen  
-Finland  
+Finland
 
 
 ## To build:

1993/plummer/README.md

@@ -3,7 +3,7 @@
 Mark Plummer  
 2901 Reckord Road  
 Fallston, MD, 21047  
-US  
+US
 
 
 ## To build:

1993/rince/README.md

@@ -1,7 +1,7 @@
 # Most Well Rounded
 
 James Bonfield  
-England  
+England
 
 
 ## To build:

1993/schnitzi/README.md

@@ -4,7 +4,7 @@ Mark Schnitzius
 1700 Woodbury Rd. #1208  
 Orlando, FL 32828  
 US  
-<http://computronium.org/ioccc.html>  
+<http://computronium.org/ioccc.html>
 
 
 ## To build:

1993/vanb/README.md

@@ -4,7 +4,7 @@ David Van Brackle
 ISX Corporation  
 1165 Northchase Parkway, Suite 120  
 Marietta, GA 30067  
-US  
+US
 
 
 ## To build:
@@ -46,7 +46,7 @@ hex numbers:		x or X follow by hex digits
 decimal numbers:	d or D follow by decimal digits
 octal numbers:		octal digits
 grouping:		()
-```  
+```
 
 No spaces are allowed in the expression.  To avoid shell expansion,
 one should surround the expression in single quotes.