Minor rewriting related to #2277

doc/Language/5to6-nutshell.pod6

@@ -321,8 +321,8 @@ foo(3); # /language/functions#index-entry-dispatch_callsame
 In Perl 5, the C<*> sigil referred to the GLOB structure that Perl uses to
 store non-lexical variables, filehandles, subs, and formats.
 
-(This should not be confused with the Perl 5 built-in C<glob()> function,
-which reads filenames from a directory).
+N<This should not be confused with the Perl 5 built-in C<glob()> function,
+which reads filenames from a directory.>
 
 You are most likely to encounter a GLOB in code written on a early Perl
 version that does not support lexical filehandles, when a filehandle needed
@@ -1256,7 +1256,8 @@ tau, pi, e, i; # built-in constants in Perl 6
 
 =head3 C<encoding>
 
-TODO Allows you to write your script in non-ascii or non-utf8.
+Allows you to write your script in non-ascii or non-utf8. Perl 6 uses, for the
+time being, only utf8 for its scripts.
 
 =head3 C<integer>
 
@@ -1271,9 +1272,9 @@ say $foo * $bar;    # uses native integer multiplication
 
 =head3 C<lib>
 
-Manipulate where modules are looked up at compile time.  The underlying logic
-is B<very> different from Perl 5, but in most cases, C<use lib> in Perl 6
-works the same as in Perl 5.
+Manipulate where modules are looked up at compile time.  The underlying logic is
+B<very> different from Perl 5, but in the case you are using a equivalent
+syntax, C<use lib> in Perl 6 works the same as in Perl 5.
 
 =head3 C<mro>
 
@@ -1370,7 +1371,8 @@ This is now the default behavior.
 
 =item C<-S>, C<-T>.
 
-This has been eliminated. Several ways to L<replicate "taint" mode are discussed in Reddit|https://www.reddit.com/r/perl6/comments/718z4o/taint_mode_for_perl_6/>.
+This has been eliminated. Several ways to
+L<replicate "taint" mode are discussed in Reddit|https://www.reddit.com/r/perl6/comments/718z4o/taint_mode_for_perl_6/>.
 
 =head1 File-related operations
 
@@ -1408,7 +1410,7 @@ the C<lines> method on the result of C<slurp> instead:
 
     my @lines = "test-file".IO.slurp.lines;  # also auto-chomps
 
-=head2 Trapping the standard output of executables.
+=head2 Capturing the standard output of executables.
 
 Whereas in Perl 5 you would do: