In perl.git, the branch blead has been updated
<http://perl5.git.perl.org/perl.git/commitdiff/b9d0a43747db03517f1acf3b092bb5276058747c?hp=3275d25a1e4129bdf23c447f60be4348af4dfe19>
- Log -----------------------------------------------------------------
commit b9d0a43747db03517f1acf3b092bb5276058747c
Author: Smylers <smyl...@stripey.com>
Date: Thu Oct 12 14:18:40 2017 +0100
Remove out-of-date mention of USA president
Avoid having to continue to update this every time the president changes
by replacing Barack Obama with Ada Lovelace.
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Summary of changes:
pod/perlreftut.pod | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/pod/perlreftut.pod b/pod/perlreftut.pod
index bd5d38e418..94a96b0e1c 100644
--- a/pod/perlreftut.pod
+++ b/pod/perlreftut.pod
@@ -63,14 +63,15 @@ references.
A reference is a scalar value that I<refers to> an entire array or an
entire hash (or to just about anything else). Names are one kind of
-reference that you're already familiar with. Think of the President
-of the United States: a messy, inconvenient bag of blood and bones.
-But to talk about him, or to represent him in a computer program, all
-you need is the easy, convenient scalar string "Barack Obama".
+reference that you're already familiar with. Each human being is a
+messy, inconvenient collection of cells. But to refer to a particular
+human, for instance the first computer programmer, it isn't necessary to
+describe each of their cells; all you need is the easy, convenient
+scalar string "Ada Lovelace".
References in Perl are like names for arrays and hashes. They're
Perl's private, internal names, so you can be sure they're
-unambiguous. Unlike "Barack Obama", a reference only refers to one
+unambiguous. Unlike a human name, a reference only refers to one
thing, and you always know what it refers to. If you have a reference
to an array, you can recover the entire array from it. If you have a
reference to a hash, you can recover the entire hash. But the
--
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