fixed typo ':' instead of ','

1_intro.rst

@@ -155,7 +155,7 @@ More Code!
   echo decimalToRoman(1009) # MIX
 
 
-- ``{"M": 1000, "CM": 900}`` sugar for ``[("M": 1000), ("CM": 900)]``
+- ``{"M": 1000, "CM": 900}`` sugar for ``[("M", 1000), ("CM", 900)]``
 - ``result`` implicitly available
 
 
@@ -236,6 +236,8 @@ Operators
 * No explicit distinction between binary and unary operators:
 
 .. code-block:: Nim
+   :number-lines:
+
   proc `++`(x: var int; y: int = 1; z: int = 0) =
     x = x + y + z
 

2_meta.rst

@@ -180,7 +180,7 @@ Code coverage
   # This is the code our macro will produce!
 
   var
-    track = [("line 9", false), ("line 13", false), ...]
+    track = [("line 11", false), ("line 15", false), ...]
 
   proc toTest(x, y: int) =
     try:

livedemo/demo.nim

@@ -1,22 +1 @@
 
-import macros
-
-macro cov(n: untyped): untyped =
-  result = n
-  echo treeRepr n
-
-cov:
-  proc toTest(x, y: int) =
-    try:
-      case x
-      of 8:
-        if y > 9: echo "8.1"
-        else: echo "8.2"
-      of 9: echo "9"
-      else: echo "foo"
-      echo "no exception"
-    except IoError:
-      echo "IoError"
-
-  toTest(8, 10)
-  toTest(10, 10)