perluniintro: Use uppercase UTF-8 encoding name

Reason is consistency with other documentation files.

diff --git a/pod/perluniintro.pod b/pod/perluniintro.pod
index c793698..d35de34 100644 (file)
--- a/pod/perluniintro.pod
+++ b/pod/perluniintro.pod
@@ -393,7 +393,7 @@ many encodings have several aliases.  Note that the C<:utf8> layer
 must always be specified exactly like that; it is I<not> subject to
 the loose matching of encoding names. Also note that currently C<:utf8> is unsafe for
 input, because it accepts the data without validating that it is indeed valid
-UTF-8; you should instead use C<:encoding(utf-8)> (with or without a
+UTF-8; you should instead use C<:encoding(UTF-8)> (with or without a
 hyphen).
 
 See L<PerlIO> for the C<:utf8> layer, L<PerlIO::encoding> and
@@ -788,7 +788,7 @@ If you have a raw sequence of bytes that you know should be
 interpreted via a particular encoding, you can use C<Encode>:
 
     use Encode 'from_to';
-    from_to($data, "iso-8859-1", "utf-8"); # from latin-1 to utf-8
+    from_to($data, "iso-8859-1", "UTF-8"); # from latin-1 to UTF-8
 
 The call to C<from_to()> changes the bytes in C<$data>, but nothing
 material about the nature of the string has changed as far as Perl is