Wrap overly-long lines to aid readability

lib/Language/5to6.pod

@@ -136,7 +136,10 @@ allowed:
     my @books = $xml.parse-file($file)\          # some comment
                     .findnodes("/library/book");
 
-See also L<S03#Minimal whitespace DWIMmery|http://design.perl6.org/S03.html#Minimal_whitespace_DWIMmery> and L<S04#Statement parsing|http://design.perl6.org/S04.html#Statement_parsing> in the Perl 6 design docs.
+See also L<S03#Minimal whitespace
+DWIMmery|http://design.perl6.org/S03.html#Minimal_whitespace_DWIMmery> and
+L<S04#Statement parsing|http://design.perl6.org/S04.html#Statement_parsing>
+in the Perl 6 design docs.
 
 
 =head3 Sigils
@@ -248,7 +251,8 @@ variable holding a code object as an argument:
 =end item
 
 =begin item
-C<&foo;> I<and> C<goto &foo;> I<for re-using the caller's argument list / replacing the caller in the call stack>
+C<&foo;> I<and> C<goto &foo;> I<for re-using the caller's argument list /
+replacing the caller in the call stack>
 
     sub foo { say "before"; &bar;     say "after" } # Perl 5
     sub foo { say "before"; bar(|@_); say "after" } # Perl 6 - have to be explicit
@@ -503,7 +507,8 @@ expect Pairs. However, this requires you to change all sub calls at once.
 
 =head3 C<? :> Ternary operator
 
-Now spelled with two question marks instead of one question mark, and two exclamation points instead of one colon.
+Now spelled with two question marks instead of one question mark, and two
+exclamation points instead of one colon.
 
     my $result = ( $score > 60 )  ? 'Pass'  : 'Fail'; # Perl 5
     my $result = ( $score > 60 ) ?? 'Pass' !! 'Fail'; # Perl 6
@@ -638,12 +643,15 @@ Parens are optional.
 The iteration variable, if any, has been moved from before the list, to
 after the list and an added arrow operator.
 
-The iteration variable is now always lexical; C<my> is neither needed nor allowed.
+The iteration variable is now always lexical; C<my> is neither needed nor
+allowed.
 
-In Perl 5, the iteration variable is a read-write alias to the current list element.
+In Perl 5, the iteration variable is a read-write alias to the current list
+element.
 
-In Perl 6, that alias is read-only (for safety), unless you change C«->» to C«<->».
-When translating, inspect the use of the loop variable to decide if read-write is needed.
+In Perl 6, that alias is read-only (for safety), unless you change C«->» to
+C«<->».  When translating, inspect the use of the loop variable to decide if
+read-write is needed.
 
     for my $car (@cars)  {...} # Perl 5; read-write
     for @cars  -> $car   {...} # Perl 6; read-only
@@ -723,7 +731,8 @@ require you to add the optional C<m> on a plain match like C«/abc/».
 
 =head3 Add :P5 or :Perl5 adverb
 
-If the actual regex is complex, you may want to use it as-is, by adding the C<P5> modifier.
+If the actual regex is complex, you may want to use it as-is, by adding the
+C<P5> modifier.
 
     next if $line =~    m/[aeiou]/   ; # Perl 5
     next if $line ~~ m:P5/[aeiou]/   ; # Perl 6, using P5 modifier
@@ -763,7 +772,8 @@ For look-around assertions:
 
 (Unrelated to <> syntax, the "lookaround" C</foo\Kbar/> becomes C</foo <( bar /> )>
 
-=item C<(?(?{condition))yes-pattern|no-pattern)> becomes C«[ <?{condition}> yes-pattern | no-pattern ]»
+=item C<(?(?{condition))yes-pattern|no-pattern)> becomes C«[ <?{condition}>
+      yes-pattern | no-pattern ]»
 
 =head3 Longest token matching (LTM) displaces alternation