Format/typo check 2004/vik1

2004/vik1/README.md

@@ -42,9 +42,9 @@ Happy touring on the road and in the code!
 
 This program is a complete car race game with a lot of nice features:
 
-*  Drive on a road in a 3-d landscape with hills and curves
+*  Drive on a road in a 3D landscape with hills and curves.
 
-*  Mountains in the horizon
+*  Mountains in the horizon.
 
 *  A sun in the sky when driving during the day.
 
@@ -68,9 +68,10 @@ This program is a complete car race game with a lot of nice features:
 
 *  The best lap time is stored as reference.
 
+
 ### Build and Run
 
-Compile the source code and link x libraries if necessary.
+Compile the source code and link X libraries if necessary.
 The program takes three options which have to be typed in a specific
 order as described below.
 
@@ -85,14 +86,14 @@ d   - Racing in at night in the dark
 Here are a few examples:
 
 ```
-      Command line:               Description:
+Command line:               Description:
 
-      $ ./vik1                    Run track 1 at daytime in the summer
-      $ ./vik1 a                  Run track 1 at daytime in the winter
-      $ ./vik1 d                  Run track 1 at night in the summer
-      $ ./vik1 3                  Run track 3 at daytime in the summer
-      $ ./vik1 d3                 Run track 3 at night in the summer
-      $ ./vik1 ad2                Run track 2 at night in the winter
+$ ./vik1                    Run track 1 at daytime in the summer
+$ ./vik1 a                  Run track 1 at daytime in the winter
+$ ./vik1 d                  Run track 1 at night in the summer
+$ ./vik1 3                  Run track 3 at daytime in the summer
+$ ./vik1 d3                 Run track 3 at night in the summer
+$ ./vik1 ad2                Run track 2 at night in the winter
 ```
 
 Note that the order in which the argument characters are entered is
@@ -109,14 +110,14 @@ The main obfuscation is the fact that the program is extremely compact.
 There are a few things I didn't want to do, e.g. define `#define` to a
 single letter to save some space, or to remove casts to save some space.
 
-The program uses a lot of variables. In fact, all letters a-z are used
-and most letters A-Z.
+The program uses a lot of variables. In fact, all letters `a-z` are used
+and most letters `A-Z`.
 
 The constants are chosen very carefully and they have multiple purposes,
 e.g. a constant can be both the length of the track and a color.
 
-Most of the code is kept inside five for loops each without a body. Each for
-loop does many things. One for loop draws all cars by restarting a
+Most of the code is kept inside five `for` loops each without a body. Each `for`
+loop does many things. One `for` loop draws all cars by restarting a
 couple of times. Another draws the road, mountains, and the sun.
 
 `main()` is called recursively. The return value and output depends on the
@@ -126,12 +127,14 @@ the entry point of the application.
 The program frequently uses the `?:` operator mainly to save space but it
 makes the program more obscure.
 
+
 ### Compiler warnings
 
-There are no compiler warnings when compiling with -ansi but there are
-quite many warnings from lclint. Mainly because the program is very
+There are no compiler warnings when compiling with `-ansi` but there are
+many warnings from lclint. Mainly because the program is very
 optimized for code size.
 
+
 ### Limitations
 
 The program only compiles and runs on X based systems.
@@ -139,7 +142,7 @@ The program only compiles and runs on X based systems.
 The program requires a display with 24 bit color depth. It also assumes
 that the byte order of the colors are as on my Linux PC. That is, The
 colors are represented by a 32 bit value where the bytes (from high to
-low) are { 0, RED, GREEN, BLUE }.
+low) are `{ 0, RED, GREEN, BLUE }`.
 
 
 ## Copyright and CC BY-SA 4.0 License: