Update some links in roast comments.

  The colabti.de links were not just dead but had been squatted.
  Suggest a search of all project trees to eliminate any more.

  Also, update comments on boolean pair syntax to match S02 changes
  made back in 2009.

S02-literals/pairs.t

@@ -8,8 +8,8 @@ use Test::Idempotence;
 # L<S02/Adverbial Pair forms/"There is now a generalized adverbial form of Pair">
 
 # See thread "Demagicalizing pair" on p6l started by Luke Palmer,
-# L<"http://article.gmane.org/gmane.comp.lang.perl.perl6.language/4778/"> and
-# L<"http://colabti.de/irclogger/irclogger_log/perl6?date=2005-10-09,Sun&sel=528#l830">.
+# L<"https://www.mail-archive.com/perl6-language@perl.org/msg21472.html"> and
+# L<"https://irclog.perlgeek.de/perl6/2005-10-09">.
 # Also see L<"http://www.nntp.perl.org/group/perl.perl6.language/23532">.
 
 # To summarize:
@@ -23,8 +23,8 @@ use Test::Idempotence;
 #   foo($pair);      # pair passed positionally
 #   foo(|$pair);     # named
 #
-#   S02 lists ':a' as being equivlaent to a => 1, so
-#   the type of the value of that pair is Int, not Bool
+#   S02 lists ':a' as being equivlaent to a => True, so
+#   the type of the value of that pair is Bool, not Int
 
 plan 83;
 

S03-binding/arrays.t

@@ -207,8 +207,7 @@ plan 47;
 }
 
 # Binding @array := $arrayref.
-# See
-# http://colabti.de/irclogger/irclogger_log/perl6?date=2005-11-06,Sun&sel=388#l564
+# See https://irclog.perlgeek.de/perl6/2005-11-06#i_-424364
 # and consider the magic behind parameter binding (which is really normal
 # binding).
 {

S03-binding/hashes.t

@@ -165,8 +165,7 @@ plan 39;
 }
 
 # Binding %hash := $hashref.
-# See
-# http://colabti.de/irclogger/irclogger_log/perl6?date=2005-11-06,Sun&sel=388#l564
+# See https://irclog.perlgeek.de/perl6/2005-11-06#i_-424364
 # and consider the magic behind parameter binding (which is really normal
 # binding).
 {

S06-operator-overloading/sub.t

@@ -47,8 +47,7 @@ Testing operator overloading subroutines
 
 # [NOTE]
 # pmichaud ruled that prefix:<;> and postfix:<;> shouldn't be defined by
-# the synopses:
-#   http://colabti.de/irclogger/irclogger_log/perl6?date=2006-07-29,Sat&sel=189#l299
+# the synopses: https://irclog.perlgeek.de/perl6/2006-07-29#i_-200213
 # so we won't test them here.
 
 # Overriding prefix:<if>
@@ -61,7 +60,7 @@ Testing operator overloading subroutines
 
 # [NOTE]
 # pmichaud ruled that infix<if> is incorrect:
-#   http://colabti.de/irclogger/irclogger_log/perl6?date=2006-07-29,Sat&sel=183#l292
+#   https://irclog.perlgeek.de/perl6/2006-07-29#i_-200221
 # so we won't test it here either.
 
 # great.  Now, what about those silent auto-conversion operators a la: