Merge branch 'y2015' of github.com:perladvent/Perl-Advent into y2015

2015/articles/2015-12-19.pod

@@ -24,7 +24,7 @@ L<Wikipedia|https://en.wikipedia.org/wiki/Santa_Claus%27s_reindeer>.
 
 If any of these reindeer were to take sick, the stand-in reindeer would have to
 move to the back of the line.  After all, if you've been doing this for over a
-century, seniority certain enters into the picture.  In order to ensure that the
+century, seniority certainly enters into the picture.  In order to ensure that the
 reindeer are guided in the correct order by the self-driving sleigh, Santa
 reaches into his bag of tricks and scripts up a little something in Perl.  It
 looks a little like this:
@@ -74,8 +74,6 @@ Looking at the output we can see that:
 * Santa's reindeer appear first in the list, sorted according to seniority
 * Our stand-in reindeer follow in the list, exactly in the order in which they were added to the original list
 
-=back
-
 So far, so good.  Now let's introduce some secondary sorting.  Right now the
 stand-ins are appearing in the order in which they were originally provided.
 Let's sort them alphabetically.