More buffers

chapters/buffers.md

@@ -13,6 +13,16 @@ The simplest way to construct a `Buffer` from a string is to simply pass a strin
     console.log(hello.toString());
     // => "Hello"
 
+By default the encoding is "utf8", however this can be specified by passing as string as the second argument. The ellipsis below for example will be printed to stdout as the '&' character when in "ascii" encoding.
+
+    var buf = new Buffer('…');
+    console.log(buf.toString());
+    // => …
+
+    var buf = new Buffer('…', 'ascii');
+    console.log(buf.toString());
+    // => &
+
 An alternative method is to pass an array of integers representing the octet stream, however in this case functionality equivalent.
 
     var hello = new Buffer([0x48, 0x65, 0x6c, 0x6c, 0x6f]);

src/buffer/examples.js

@@ -21,4 +21,6 @@ var buf = new Buffer(5);
 buf.write('he');
 buf.write('l', 2);
 buf.write('lo', 3);
-console.log(buf.toString());
+console.log(buf.toString());
+
+console.log(new Buffer('…', 'ascii').toString());