Updated Nim for C programmers (markdown)

Nim-for-C-programmers.md

@@ -29,7 +29,7 @@ Types                | Static                            | Static
 Dependent types      | No                                | Partial support
 Generics             | No (Templates w/ C++)             | Yes
 int8/16/32/64 types  | Yes                               | Yes
-Unsigned ints        | Yes (by default)                  | Yes (not by default)
+Unsigned ints        | Yes (by default)                  | Yes
 Arrays               | Yes                               | Yes
 Bounds-checking      | No                                | Yes
 Type inference       | No (some w/ C++11)                | Yes (extensive support)
@@ -71,7 +71,7 @@ int main() {
 
 **Nim:**
 
-```Nimrod
+```nim
 proc foobar(z: array[0..3, int]) = 
   z[5] = 5  # Error: Cannot assign to z
   echo z[5] # Error: Index out of bounds.
@@ -104,7 +104,7 @@ You can call a proc on objects with the ```anObject.foobar()```, but you can do
 
 Nim does not have an implicit _this_/_self_.
 
-It is possible to implement object-orientation features from other languages (like C++,Java,etc. or Smalltalk,Obj-C,Ruby,etc.) through libraries, thanks to the extensive meta-programming features of Nim. These are at the moment mostly work-in-progress.
+It is possible to implement object-orientation features from other languages (like C++, Java, etc. or Smalltalk, Obj-C, Ruby, etc.) through libraries, thanks to the extensive meta-programming features of Nim. These are at the moment mostly work-in-progress.
 
 ### Structs - Tuples and Objects
 
@@ -302,8 +302,7 @@ proc bar(): int =
 proc baz(x: int): int =
   x*2
 
-proc foobar(x: var int): 
-                  int =
+proc foobar(x: var int): int =
   inc(x)
   result = x*2
 </pre>
@@ -340,8 +339,8 @@ void foobar(person_t *a) {
 </td>
 <td>
 <pre>
-proc foobar(a: ref TPerson) =
-  var b: TPerson
+proc foobar(a: ref Person) =
+  var b: Person
   b = a[]
   b.name = "Bob"
   a[] = b
@@ -367,7 +366,7 @@ printf("%d, %d, %p\n", x, y, p);
 </td>
 <td>
 <pre>
-var d: float = 3.1415926
+var d = 3.1415926
 var i = d.int
 d = i.float
 echo i, " ",d