replace trailing whitespace with blackslash in README.md

As an alternative to the markdown trailing whitespace as a line
break, we use a trailing blackslash as a markdown line break.

1989/fubar/README.md

@@ -1,10 +1,10 @@
 # Best self-modifying program
 
-Jay Vosburgh  
-Sequent Computer Systems, Inc  
-15450 SW Koll Parkway  
-Beaverton, OR  
-97006  
+Jay Vosburgh\
+Sequent Computer Systems, Inc\
+15450 SW Koll Parkway\
+Beaverton, OR\
+97006\
 US
 
 ## To build:
@@ -43,16 +43,16 @@ is not in the repository.
 ## Author's remarks:
 
 In a nutshell, this is probably the slowest and most
-obnoxious factorial program ever written.  Unfortunately, 
-the name of the C source must be "ouroboros.c"; the name is 
+obnoxious factorial program ever written.  Unfortunately,\
+the name of the C source must be "ouroboros.c"; the name is\
 hard-coded into the program.
 
-The source is a legal shell script and a legal C program.  
+The source is a legal shell script and a legal C program.\
 The shell script compiles itself, and then executes the
-resulting binary, giving the source as input.  The program 
+resulting binary, giving the source as input.  The program\
 works by successively modifying #define lines each pass through.
 
-Both `indent` and `cb` will damage the program, `indent` 
+Both `indent` and `cb` will damage the program, `indent`\
 much more so.
 
 ## Copyright and CC BY-SA 4.0 License:

1989/jar.2/README.md

@@ -1,10 +1,10 @@
 # Best of show
 
-Jari Arkko, Ora Lassila, Esko Nuutila  
-Laboratory of Information Processing Science  
-Helsinki University of Technology  
-Otakaari 1  
-02150 Espoo  
+Jari Arkko, Ora Lassila, Esko Nuutila\
+Laboratory of Information Processing Science\
+Helsinki University of Technology\
+Otakaari 1\
+02150 Espoo\
 Finland
 
 ## To build:
@@ -35,7 +35,7 @@ is impressive enough to win the Best of show award.
 ## Author's remarks:
 
 This program implements a Lisp interpreter in 1465 bytes of source.
-Some sophisticated features supported, eg. functionals and recursion.  
+Some sophisticated features supported, eg. functionals and recursion.\
 The special-forms/functions/variables implemented are:
 
 - \+

1989/ovdluhe/README.md

@@ -1,9 +1,9 @@
 # Most humorous output
 
-Oskar von der Luehe  
-Institut fuer Astronomie  
-ETH - Zentrum  
-8092 Zuerich  
+Oskar von der Luehe\
+Institut fuer Astronomie\
+ETH - Zentrum\
+8092 Zuerich\
 Switzerland
 
 ## To build:
@@ -22,7 +22,7 @@ Run the program this way:
 ./ovdluhe < textfile
 ```
 
-The program stops when it reaches the end of the template buffer 
+The program stops when it reaches the end of the template buffer\
 by chance or is killed.
 
 ## Try:

1989/paul/README.md

@@ -1,10 +1,10 @@
 # Most complex algorithm
 
-Paul E. Black  
-CIRRUS LOGIC, Inc.  
-1463 Centre Pointe Dr.  
-Milpitas, CA   
-95035   
+Paul E. Black\
+CIRRUS LOGIC, Inc.\
+1463 Centre Pointe Dr.\
+Milpitas, CA\
+95035\
 US
 
 ## To build:

1989/robison/README.md

@@ -1,10 +1,10 @@
 # Best minimal use of C
 
-Arch D. Robison  
-University of Illinois  
-1304 W. Springfield Ave.  
-Urbana, IL  
-61801  
+Arch D. Robison\
+University of Illinois\
+1304 W. Springfield Ave.\
+Urbana, IL\
+61801\
 US
 
 ## To build:

1989/roemer/README.md

@@ -1,9 +1,9 @@
 # Best layout
 
-Lievaart, Roemer B.  
-VU-Informatica, Amsterdam  
-Marcusstraat 29/2,   
-NL 1091 TJ Amsterdam  
+Lievaart, Roemer B.\
+VU-Informatica, Amsterdam\
+Marcusstraat 29/2,\
+NL 1091 TJ Amsterdam\
 Netherlands
 
 ## To build:

1989/tromp/README.md

@@ -1,9 +1,9 @@
 # Best game
 
-John Tromp  
-Centre for Mathematics and Computer Science (CWI)  
-Oetgensstraat 7  
-1701CK Heerhugowaard  
+John Tromp\
+Centre for Mathematics and Computer Science (CWI)\
+Oetgensstraat 7\
+1701CK Heerhugowaard\
 Netherlands
 
 ## To build:

1989/vanb/README.md

@@ -1,10 +1,10 @@
 # Best one liner
 
-David Van Brackle  
-Department of Computer Science  
-University of Central Florida  
-Orlando, Florida   
-32816  
+David Van Brackle\
+Department of Computer Science\
+University of Central Florida\
+Orlando, Florida\
+32816\
 US
 
 
@@ -17,21 +17,21 @@ make all
 ## Try:
 
 ```sh
-./vanb the rug gary lent	
+./vanb the rug gary lent\
 ./vanb unix is better than os/2
 ```
 
 ## Judges' remarks:
 
 This program computes all proper subsets of the set of
-arguments passed to it.  Each subset is printed with one 
+arguments passed to it.  Each subset is printed with one\
 element on each line, followed by a line of ten dashes.
 
 
 
 ## Author's remarks:
 
-The program has the following charming and possibly 
+The program has the following charming and possibly\
 non-portable features:
 
 * It has no local or global variables, only the command-line parameters.

1989/westley/README.md

@@ -1,7 +1,7 @@
 # Most algorithms in one program
 
-Merlyn LeRoy (Brian Westley)  
-US  
+Merlyn LeRoy (Brian Westley)\
+US\
 <http://www.westley.org>
 
 ## To build:
@@ -86,7 +86,7 @@ Also requires two's complement (I think).
 
 The source code will run if ROT13'ed and/or reversed, using a
 different algorithm for each version (hereafter referred to as
-`ver0` (original), `ver1` (ROT13), `ver2` (reversed), and `ver3` 
+`ver0` (original), `ver1` (ROT13), `ver2` (reversed), and `ver3`\
 (ROT13 and reversed)).
 
 When compiling these versions, one needs to define 'trgpune'