Unicode literal to C like character literal

modules/os_windows.kl

@@ -85,7 +85,7 @@ itoa :: (value: S64, result: *U8, base: S64): *U8
 
     // Apply negative sign
     if tmp_value < 0
-      *ptr++ = '- // '
+      *ptr++ = '-'
     *ptr-- = 0
     for ptr1 < ptr
       tmp_char = *ptr
@@ -100,7 +100,7 @@ print :: (string: String, args: ..)
 
   arg_counter := 0
   for i := 0, i < length_of(string), i+=1
-    if string[i] == '% // '
+    if string[i] == '%'
       assert(arg_counter < length_of(args), "Passing too many [%] to a print lambda")
       arg := args[arg_counter++]