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@@ -748,8 +748,8 @@ say $^SIDEF           # prints the path to sidef executable
 This constants look like variables, but are actually file-handles.
 
 ```ruby
-STDERR.print("Some error!")
-STDOUT.print("Some output...")
+STDERR.say("Some error!")
+STDOUT.say("Some output...")
 STDIN.readline()   # reads a line from the standard input
 ```
 
@@ -759,7 +759,7 @@ Here is the implementation of a very basic `cat`-like program:
 
 ```ruby
 ARGF.each { |line|
-    print line
+    say line
 }
 ```
 
@@ -1041,7 +1041,7 @@ func factorial (n) {
 say factorial(5);     # prints: 120
 ```
 
-Anonymous functions:
+Anonymous recursion can be achieved by using the `__FUNC__` keyword, which refers to the current function:
 
 ```ruby
 func recmap(repeat, seed, transform, callback) {
@@ -1054,6 +1054,21 @@ func recmap(repeat, seed, transform, callback) {
 recmap(6, "0", func(s) { s + s.tr('01', '10') }, func(s) { say s })
 ```
 
+Additionally, the `__BLOCK__` keyword can be used for referring to the current block:
+
+```ruby
+func fib(n) {
+    return NaN if (n < 0)
+ 
+    {|n|
+        n < 2 ? n
+              : (__BLOCK__(n-1) + __BLOCK__(n-2))
+    }(n)
+}
+
+say fib(12)   #=> 144
+```
+
 Storing functions in variables:
 
 ```ruby