cleanup winner README.md files

Fixed cases where there was a bad trailing backslash.

Improved a few cases where a code block was needed
to highlight some text.

Changed a few cases where a code block needed to
declared as, say, a sh code block.

Fixed a few cases where the winner information was not properly formatted.

Plus a few nits and clarifying text was added.

1993/cmills/README.md

@@ -38,14 +38,16 @@ From the San Jose Mercury News (May 15, 1993 page 20A "West Hackers\
 trounce East in computer quiz game"):
 
 
->	"Since 1984, a contest has been held on Usenet for the most
->	unreadable, creative, bizarre but working C program", Gates
->	said. "What is the name of this contest?"
->
->	"Windows," shot back Gassee, naming Microsoft's premier product
->	- a product over which Apple sued Microsoft five years ago. Not
->	the right answer - it's "The Obfuscated C Contest [sic]" - but
->	it brought down the house of Apple partisans...
+```
+"Since 1984, a contest has been held on Usenet for the most
+unreadable, creative, bizarre but working C program", Gates
+said. "What is the name of this contest"
+
+"Windows," shot back Gassee, naming Microsoft's premier product
+- a product over which Apple sued Microsoft five years ago. Not
+the right answer - it's "The Obfuscated C Contest [sic]" - but
+it brought down the house of Apple partisans...
+```
 
 [The expression on Bill Gates' face was a sight to behold, as reported
 to us by several who were there].

1993/dgibson/README.md

@@ -22,7 +22,7 @@ make all
 ```
 
 where:
-\
+
 `datafile` is the initial pattern (default: [dgibson.data1](dgibson.data1))
 
 

1993/ejb/README.md

@@ -48,7 +48,7 @@ We note that this also works under macOS just fine.
 #### Output solution to Towers of Hanoi for five rings:
 
 ```sh
-./ejb 5\
+./ejb 5
 ```
 
 The format of the output for the Towers of Hanoi case is simply a
@@ -57,7 +57,7 @@ text description of how to solve the puzzle.
 #### Output solution to the Patience puzzle for six rings:
 
 ```sh
-./ejb -6\
+./ejb -6
 ```
 
 

1993/leo/README.md

@@ -35,7 +35,6 @@ where:
 
 ## Judges' remarks:
 
-\
 By default, the number of colors is 6.  You may specify a
 value of between 1 and 15 colors.  See the author's notes
 for instructions of how to play.
@@ -78,16 +77,16 @@ backspaces. Do "disable scrolling" on cmdtool or similar emulators.
 
 ```
 judges-385> ./leo
-    (1296): 6433
-    ?? 12       # one 3 is a bull, another is a cow, and 4 is a cow
-    (160): 5363
-    ?? 02       # both 3's are cows
-    (21): 4231
-    ?? 22       # 2 and 3 are bulls, 4 and 1 are cows
-    (2): 4132
-    ?? 13       # 3 is a bull; 1, 2 and 4 are cows
-    (1): 1234
-    ?? 40       # you may enter everything there
+(1296): 6433
+?? 12       # one 3 is a bull, another is a cow, and 4 is a cow
+(160): 5363
+?? 02       # both 3's are cows
+(21): 4231
+?? 22       # 2 and 3 are bulls, 4 and 1 are cows
+(2): 4132
+?? 13       # 3 is a bull; 1, 2 and 4 are cows
+(1): 1234
+?? 40       # you may enter everything there
 ```
 
 ##### EXAMPLE: Guess the computer's number

1993/plummer/README.md

@@ -39,7 +39,6 @@ NOTE: an alternate version exists. See Alternate code section below.
 
 To use:
 
-
 ```sh
 make alt
 ```

1993/schnitzi/README.md

@@ -63,7 +63,7 @@ What is cat?
 
 After this program prints the contents of 'file', ask it
 some questions related to the text.
-\
+
 The author suggests the following questions when using
 [schnitzi.info](schnitzi.info):
 

1993/vanb/README.md

@@ -37,7 +37,6 @@ What happens if you use something other than valid digits?
 
 ## Judges' remarks:
 
-\
 The octal expression may contain:
 
 ```
@@ -93,7 +92,7 @@ what grammar non-terminal to parse. `**O7` is the next character.
 `O3` is an intermediate result. Whenever you see a construct like:
 
 ```
-      !(expression with O2)?
+!(expression with O2)?
 ```
 
 it's decrementing & testing `O2` to see what state it's in. Comparisons