[doc] Fix HTTP and Books links

Update some obsolete Perl book URL's

Convert some HTTP links to HTTPS

Wrap links in `L<>`.

pod/perlbook.pod

@@ -12,7 +12,7 @@ listing a book implies our
 endorsement, don't think that not including a book means anything.
 
 Most of these books are available online through Safari Books Online
-( L<http://safaribooksonline.com/> ).
+( L<https://safaribooksonline.com/> ).
 
 =head2 The most popular books
 
@@ -26,7 +26,7 @@ I<Programming Perl>:
  by Tom Christiansen, brian d foy, Larry Wall with Jon Orwant
  ISBN 978-0-596-00492-7 [4th edition February 2012]
  ISBN 978-1-4493-9890-3 [ebook]
- https://oreilly.com/catalog/9780596004927
+ L<https://www.oreilly.com/library/view/-/9781449321451/>
 
 =back
 
@@ -41,7 +41,7 @@ accomplish specific tasks:
  with Foreword by Larry Wall
  ISBN 978-0-596-00313-5 [2nd Edition August 2003]
  ISBN 978-0-596-15888-0 [ebook]
- https://oreilly.com/catalog/9780596003135/
+ L<https://www.oreilly.com/library/view/-/0596003137/>
 
 =back
 
@@ -54,9 +54,9 @@ programming:
 =item I<Learning Perl>  (the "Llama Book")
 
  by Randal L. Schwartz, Tom Phoenix, and brian d foy
- ISBN 978-1-4493-0358-7 [6th edition June 2011]
- ISBN 978-1-4493-0458-4 [ebook]
- https://www.learning-perl.com/
+ ISBN 978-1-4920-9495-1 [8th edition August 2021]
+ ISBN 978-1-4920-9492-0 [ebook]
+ L<https://www.learning-perl.com/>
 
 =back
 
@@ -72,7 +72,7 @@ object-oriented programming, and modules:
          foreword by Damian Conway
  ISBN 978-1-4493-9309-0 [2nd edition August 2012]
  ISBN 978-1-4493-0459-1 [ebook]
- https://www.intermediateperl.com/
+ L<https://www.intermediateperl.com/>
 
 =back
 
@@ -87,21 +87,21 @@ You might want to keep these desktop references close by your keyboard:
  by Johan Vromans
  ISBN 978-1-4493-0370-9 [5th edition July 2011]
  ISBN 978-1-4493-0813-1 [ebook]
- https://oreilly.com/catalog/0636920018476/
+ L<https://www.oreilly.com/library/view/-/9781449311186/>
 
 =item I<Perl Debugger Pocket Reference>
 
  by Richard Foley
  ISBN 978-0-596-00503-0 [1st edition January 2004]
  ISBN 978-0-596-55625-9 [ebook]
- https://oreilly.com/catalog/9780596005030/
+ L<https://oreilly.com/catalog/9780596005030/>
 
 =item I<Regular Expression Pocket Reference>
 
  by Tony Stubblebine
  ISBN 978-0-596-51427-3 [2nd edition July 2007]
  ISBN 978-0-596-55782-9 [ebook]
- https://oreilly.com/catalog/9780596514273/
+ L<https://www.oreilly.com/library/view/-/9780596514273/>
 
 =back
 
@@ -115,39 +115,39 @@ You might want to keep these desktop references close by your keyboard:
 
  by Curtis 'Ovid' Poe
  ISBN 978-1-118-01384-7
- http://www.wrox.com/WileyCDA/WroxTitle/productCd-1118013840.html
+ L<https://www.wiley.com/en-ie/Beginning+Perl-p-9781118235638>
 
  by James Lee
  ISBN 1-59059-391-X [3rd edition April 2010 & ebook]
- https://www.apress.com/9781430227939
+ L<https://www.apress.com/9781430227939>
 
 =item I<Learning Perl> (the "Llama Book")
 
  by Randal L. Schwartz, Tom Phoenix, and brian d foy
  ISBN 978-1-4493-0358-7 [6th edition June 2011]
  ISBN 978-1-4493-0458-4 [ebook]
- https://www.learning-perl.com/
+ L<https://www.learning-perl.com/>
 
 =item I<Intermediate Perl> (the "Alpaca Book")
 
  by Randal L. Schwartz and brian d foy, with Tom Phoenix
          foreword by Damian Conway
  ISBN 978-1-4493-9309-0 [2nd edition August 2012]
  ISBN 978-1-4493-0459-1 [ebook]
- https://www.intermediateperl.com/
+ L<https://www.intermediateperl.com/>
 
 =item I<Mastering Perl>
 
     by brian d foy
  ISBN 9978-1-4493-9311-3 [2st edition January 2014]
  ISBN 978-1-4493-6487-8 [ebook]
- https://www.masteringperl.org/
+ L<https://www.masteringperl.org/>
 
 =item I<Effective Perl Programming>
 
  by Joseph N. Hall, Joshua A. McAdams, brian d foy
  ISBN 0-321-49694-9 [2nd edition 2010]
- https://www.effectiveperlprogramming.com/
+ L<https://www.effectiveperlprogramming.com/>
 
 =back
 
@@ -159,28 +159,28 @@ You might want to keep these desktop references close by your keyboard:
 
  by Sam Tregar
  ISBN 1-59059-018-X [1st edition August 2002 & ebook]
- https://www.apress.com/9781590590188
+ L<https://www.apress.com/9781590590188>
 
 =item I<The Perl Cookbook>
 
  by Tom Christiansen and Nathan Torkington,
      with Foreword by Larry Wall
  ISBN 978-0-596-00313-5 [2nd Edition August 2003]
  ISBN 978-0-596-15888-0 [ebook]
- https://oreilly.com/catalog/9780596003135/
+ L<https://www.oreilly.com/library/view/-/0596003137/>
 
 =item I<Automating System Administration with Perl>
 
  by David N. Blank-Edelman
  ISBN 978-0-596-00639-6 [2nd edition May 2009]
  ISBN 978-0-596-80251-6 [ebook]
- https://oreilly.com/catalog/9780596006396
+ L<https://www.oreilly.com/library/view/-/9780596801892/>
 
 =item I<Real World SQL Server Administration with Perl>
 
  by Linchi Shea
  ISBN 1-59059-097-X [1st edition July 2003 & ebook]
- https://www.apress.com/9781590590973
+ L<https://www.apress.com/9781590590973>
 
 =back
 
@@ -193,80 +193,80 @@ You might want to keep these desktop references close by your keyboard:
  by Jan Goyvaerts and Steven Levithan
  ISBN 978-1-4493-1943-4 [2nd edition August 2012]
  ISBN 978-1-4493-2747-7 [ebook]
- https://shop.oreilly.com/product/0636920023630.do
+ L<https://shop.oreilly.com/product/0636920023630.do>
 
 =item I<Programming the Perl DBI>
 
  by Tim Bunce and Alligator Descartes
  ISBN 978-1-56592-699-8 [February 2000]
  ISBN 978-1-4493-8670-2 [ebook]
- https://oreilly.com/catalog/9781565926998
+ L<https://www.oreilly.com/library/view/-/1565926994/>
 
 =item I<Perl Best Practices>
 
  by Damian Conway
  ISBN 978-0-596-00173-5 [1st edition July 2005]
  ISBN 978-0-596-15900-9 [ebook]
- https://oreilly.com/catalog/9780596001735
+ L<https://www.oreilly.com/library/view/-/0596001738/>
 
 =item I<Higher-Order Perl>
 
  by Mark-Jason Dominus
  ISBN 1-55860-701-3 [1st edition March 2005]
- free ebook https://hop.perl.plover.com/book/
- https://hop.perl.plover.com/
+ free ebook L<https://hop.perl.plover.com/book/>
+ L<https://hop.perl.plover.com/>
 
 =item I<Mastering Regular Expressions>
 
  by Jeffrey E. F. Friedl
  ISBN 978-0-596-52812-6 [3rd edition August 2006]
  ISBN 978-0-596-55899-4 [ebook]
- https://oreilly.com/catalog/9780596528126
+ L<https://learning.oreilly.com/library/view/-/0596528124/>
 
 =item I<Network Programming with Perl>
 
  by Lincoln Stein
  ISBN 0-201-61571-1 [1st edition 2001]
- https://www.pearsonhighered.com/educator/product/Network-Programming-with-Perl/9780201615715.page
+ L<https://www.oreilly.com/library/view/-/0201615711/>
 
 =item I<Perl Template Toolkit>
 
  by Darren Chamberlain, Dave Cross, and Andy Wardley
  ISBN 978-0-596-00476-7 [December 2003]
  ISBN 978-1-4493-8647-4 [ebook]
- https://oreilly.com/catalog/9780596004767
+ L<https://www.oreilly.com/library/view/-/0596004761/>
 
 =item I<Object Oriented Perl>
 
  by Damian Conway
      with foreword by Randal L. Schwartz
  ISBN 1-884777-79-1 [1st edition August 1999 & ebook]
- https://www.manning.com/conway/
+ L<https://www.manning.com/conway/>
 
 =item I<Data Munging with Perl>
 
  by Dave Cross
  ISBN 1-930110-00-6 [1st edition 2001 & ebook]
- https://www.manning.com/cross
+ L<https://www.manning.com/cross>
 
 =item I<Mastering Perl/Tk>
 
  by Steve Lidie and Nancy Walsh
  ISBN 978-1-56592-716-2 [1st edition January 2002]
  ISBN 978-0-596-10344-6 [ebook]
- https://oreilly.com/catalog/9781565927162
+ L<https://www.oreilly.com/library/view/-/1565927168/>
 
 =item I<Extending and Embedding Perl>
 
  by Tim Jenness and Simon Cozens
  ISBN 1-930110-82-0 [1st edition August 2002 & ebook]
- https://www.manning.com/jenness
+ L<https://www.manning.com/jenness>
 
 =item I<Pro Perl Debugging>
 
  by Richard Foley with Andy Lester
  ISBN 1-59059-454-1 [1st edition July 2005 & ebook]
- https://www.apress.com/9781590594544
+ L<https://www.apress.com/9781590594544>
 
 =back
 
@@ -276,7 +276,7 @@ Some of these books are available as free downloads.
 
 I<Higher-Order Perl>: L<https://hop.perl.plover.com/>
 
-I<Modern Perl>: L<http://onyxneon.com/books/modern_perl/>
+I<Modern Perl>: L<https://onyxneon.com/books/modern_perl/>
 
 =head2 Other interesting, non-Perl books
 

pod/perlcommunity.pod

@@ -66,7 +66,7 @@ websites, so only a few of the community's largest are mentioned here.
 Originally run by O'Reilly Media (the publisher of L<the Camel Book|perlbook>,
 this site provides quality articles mostly about technical details of Perl.
 
-=item L<http://blogs.perl.org/>
+=item L<https://blogs.perl.org/>
 
 Many members of the community have a Perl-related blog on this site. If
 you'd like to join them, you can sign up for free.

pod/perldtrace.pod

@@ -210,7 +210,7 @@ C<Module::Name>-style names.
 
 =item DTrace Dynamic Tracing Guide
 
-L<http://dtrace.org/guide/preface.html>
+L<https://illumos.org/books/dtrace/preface.html>
 
 =item DTrace: Dynamic Tracing in Oracle Solaris, Mac OS X and FreeBSD
 

pod/perlembed.pod

@@ -1151,7 +1151,8 @@ Jon Orwant <F<orwant@media.mit.edu>> and Doug MacEachern
 Christiansen, Guy Decoux, Hallvard Furuseth, Dov Grobgeld, and Ilya
 Zakharevich.
 
-Doug MacEachern has an article on embedding in Volume 1, Issue 4 of
+Doug MacEachern has an article on embedding in Volume 1,
+L<Issue 4|https://www.foo.be/docs/tpj/issues/vol1_4/ewtoc.html> of
 The Perl Journal ( L<http://www.tpj.com/> ).  Doug is also the developer of the
 most widely-used Perl embedding: the mod_perl system
 (perl.apache.org), which embeds Perl in the Apache web server.

pod/perlgit.pod

@@ -859,8 +859,8 @@ Now you can switch back to blead locally:
   % git checkout blead
 
 and continue working on other things while you wait a day or two,
-keeping an eye on the results reported for your smoke-me branch at
-L<http://perl.develop-help.com/?b=smoke-me/tonyc/win32state>.
+keeping an eye on the results reported for your C<smoke-me> branch at
+L<https://perl.develop-help.com/?b=smoke-me/tonyc/win32state>.
 
 If all is well then update your blead branch:
 

pod/perlhack.pod

@@ -1204,7 +1204,7 @@ wanting to go about Perl development.
 
 =head1 CPAN TESTERS AND PERL SMOKERS
 
-The CPAN testers ( L<http://cpantesters.org/> ) are a group of volunteers
+The CPAN testers ( L<https://cpantesters.org/> ) are a group of volunteers
 who test CPAN modules on a variety of platforms.
 
 Perl Smokers ( L<https://www.nntp.perl.org/group/perl.daily-build/> and

pod/perlhacktips.pod

@@ -1448,7 +1448,7 @@ the flags (see above).
 
 =head2 Coverity
 
-Coverity (L<http://www.coverity.com/>) is a product similar to lint and
+Coverity (L<https://www.coverity.com/>) is a product similar to lint and
 as a testbed for their product they periodically check several open
 source projects, and they give out accounts to open source developers
 to the defect databases.

pod/perlintro.pod

@@ -685,7 +685,7 @@ in using third-party modules, which are documented below.
 =head2 Using Perl modules
 
 Perl modules provide a range of features to help you avoid reinventing
-the wheel, and can be downloaded from CPAN ( L<http://www.cpan.org/> ).  A
+the wheel, and can be downloaded from L<CPAN|https://www.cpan.org/>.  A
 number of popular modules are included with the Perl distribution
 itself.
 

pod/perlipc.pod

@@ -1823,7 +1823,7 @@ The IO::Socket(3) manpage describes the object library, and the Socket(3)
 manpage describes the low-level interface to sockets.  Besides the obvious
 functions in L<perlfunc>, you should also check out the F<modules> file at
 your nearest CPAN site, especially
-L<http://www.cpan.org/modules/00modlist.long.html#ID5_Networking_>.
+L<https://www.cpan.org/modules/00modlist.long.html#ID5_Networking_>.
 See L<perlmodlib> or best yet, the F<Perl FAQ> for a description
 of what CPAN is and where to get it if the previous link doesn't work
 for you.

pod/perllocale.pod

@@ -54,12 +54,12 @@ Perl continues to support the old non UTF-8 locales as well.  There are
 currently no UTF-8 locales for EBCDIC platforms.
 
 (Unicode is also creating C<CLDR>, the "Common Locale Data Repository",
-L<http://cldr.unicode.org/> which includes more types of information than
+L<https://cldr.unicode.org/> which includes more types of information than
 are available in the POSIX locale system.  At the time of this writing,
 there was no CPAN module that provides access to this XML-encoded data.
 However, it is possible to compute the POSIX locale data from them, and
 earlier CLDR versions had these already extracted for you as UTF-8 locales
-L<http://unicode.org/Public/cldr/2.0.1/>.)
+L<https://unicode.org/Public/cldr/2.0.1/>.)
 
 =head1 WHAT IS A LOCALE
 
@@ -1483,7 +1483,7 @@ locales, available at
   https://unicode.org/Public/cldr/2.0.1/
 
 (Newer versions of CLDR require you to compute the POSIX data yourself.
-See L<http://unicode.org/Public/cldr/latest/>.)
+See L<https://unicode.org/Public/cldr/latest/>.)
 
 There is a large collection of locale definitions at:
 

pod/perlrecharclass.pod

@@ -198,13 +198,13 @@ C<\w> matches [a-zA-Z0-9_].
 Which rules apply are determined as described in L<perlre/Which character set modifier is in effect?>.
 
 There are a number of security issues with the full Unicode list of word
-characters.  See L<http://unicode.org/reports/tr36>.
+characters.  See L<https://unicode.org/reports/tr36>.
 
 Also, for a somewhat finer-grained set of characters that are in programming
 language identifiers beyond the ASCII range, you may wish to instead use the
 more customized L</Unicode Properties>, C<\p{ID_Start}>,
 C<\p{ID_Continue}>, C<\p{XID_Start}>, and C<\p{XID_Continue}>.  See
-L<http://unicode.org/reports/tr31>.
+L<https://unicode.org/reports/tr31>.
 
 Any character not matched by C<\w> is matched by C<\W>.
 

pod/perlreref.pod

@@ -405,7 +405,7 @@ for details on regexes and internationalisation.
 =item *
 
 I<Mastering Regular Expressions> by Jeffrey Friedl
-(L<http://oreilly.com/catalog/9780596528126/>) for a thorough grounding and
+(L<https://www.oreilly.com/library/view/-/0596528124/>) for a thorough grounding and
 reference on the topic.
 
 =back

pod/perlunitut.pod

@@ -20,7 +20,7 @@ that there are many different character sets and encodings, and that your
 program has to be explicit about them. Recommended reading is "The Absolute
 Minimum Every Software Developer Absolutely, Positively Must Know About Unicode
 and Character Sets (No Excuses!)" by Joel Spolsky, at
-L<http://joelonsoftware.com/articles/Unicode.html>.
+L<https://joelonsoftware.com/articles/Unicode.html>.
 
 This tutorial speaks in rather absolute terms, and provides only a limited view
 of the wealth of character string related features that Perl has to offer. For