Minor fixes to 1996/schweikh1

The author noted in the Makefile that for Solaris the compiler flag
-I/usr/include should be included so I have added that.

As well I updated the README.md - formatting fixes (possibly typos as
well but no longer sure).

1996/schweikh1/Makefile

@@ -98,7 +98,7 @@ CDEFINE=
 # Include files that are needed to compile
 #
 #CINCLUDE=
-CINCLUDE= -I.
+CINCLUDE= -I. -I/usr/include
 #CINCLUDE= -include stdlib.h
 #CINCLUDE= -include stdio.h
 #CINCLUDE= -include stdlib.h -include stdio.h

1996/schweikh1/README.md

@@ -12,11 +12,11 @@
 
         make all
 
-### To run
+## To run:
 
 	./schweikh1
 
-## Judges' comments
+## Judges' comments:
 
 Look at the source.  There is something very odd going on here.  
 Where does the real code come from if everything is a C pre-processor 
@@ -25,7 +25,7 @@
 Clearly this is either the Best Use or the Worst Abuse of the
 C Preprocessor that the judges have seen this year!
 
-## Author's comments
+## Author's comments:
 
 What this program does
 ----------------------
@@ -50,19 +50,26 @@
 Let c be the modulus of J divided by 7
 Let d be the modulus of (19a + M) divided by 30
 Let e be the modulus of (2b + 4c + 6d + N) divided by 7
-    The interesting Sunday is either
+
+The interesting Sunday is either:
+
         March 22 + d + e   or
         April d + e - 9    (only one of them is a valid date)
+   
 with the following exceptions:
+
         April 26 must always be changed to April 19
         April 25 must be changed to April 18 if d is 28 and a greater than 10
 
-    Example:  J = 1962, M = 24, N = 5
+### Example:
+
+	J = 1962, M = 24, N = 5
         a = J % 19 = 5
         b = J %  4 = 2
         c = J %  7 = 2
         d = 119 % 30 = 29
         e = 191 % 7 = 2
+    
 March 53 is invalid, so the result is April 22 1962
 
 Why I think this is obfuscated
@@ -87,20 +94,24 @@
 these easy to remember language elements is justified in my opinion.
 
 
-    The moral:
+### The moral:
+      
 Try to be as precise as can be and no one will comprehend what you mean.
 
-    The formula:
+#### The formula:
+      
+
 	comprehension = 1/(2**precision)
 
-    The interpretation:
+#### The interpretation:
+
 "Say nothing and everybody will understand."
 
-    The -I/usr/include in the build file is needed by gcc on Solaris because
+The `-I/usr/include` in the build file is needed by gcc on Solaris because
 gcc's "fixed" header in gcc-lib/sparc-sun-solaris2.5/2.7.2/include/errno.h
 is broken (sort of) because it has *two* identical extern
 declarations of errno. This leads to an error due to the
-    redefinition of main. The -I option makes sure the working
+redefinition of main. The `-I` option makes sure the working
 /usr/include/errno.h is found first, which shouldn't harm on other
 systems.