Support multiple words in code's language.

[tolmasky]

This fixes #98. I tested this in the node source and it appears to work fine (currently pushed as a forked module to be able to do this test: nodejs/node@6361ed8 )

[jsf-clabot]

All committers have signed the CLA.

[btmills]

Thanks for doing this, @tolmasky, and sorry I didn't see the issue for so long! Implementation looks good. Can you add a test? The attached patch would do the trick:

diff --git a/tests/lib/processor.js b/tests/lib/processor.js
index eeed197..5b15b4d 100644
--- a/tests/lib/processor.js
+++ b/tests/lib/processor.js
@@ -257,6 +257,17 @@ describe("processor", function() {
             assert.equal(blocks.length, 1);
         });

+        it("should ignore anything after the first word of the info string", function() {
+            var code = [
+                "```js more words are ignored",
+                "var answer = 6 * 7;",
+                "```"
+            ].join("\n");
+            var blocks = processor.preprocess(code);
+
+            assert.equal(blocks.length, 1);
+        });
+
         it("should find code fences not surrounded by blank lines", function() {
             var code = [
                 "<!-- eslint-disable -->",

[btmills]

Looks like this snuck in 😈

[btmills]

LGTM, thanks @tolmasky!