Unicode file, add some links, fit into less columns

Author: samcv

doc/Language/unicode.pod6

@@ -4,27 +4,30 @@
 
 =SUBTITLE Unicode Support in Perl 6
 
-Perl 6 has a high level of support of Unicode. It supports extended grapheme
-clusters for breaking up words. 
+Perl 6 has a high level of support of Unicode.
 
 You can access Unicode codepoints by name:
 Rakudo supports all Unicode 9.0 names.
 
     say "\c[PENGUIN]" # 🐧
     
-By name alias:
+By name alias. For full list see L<here|http://www.unicode.org/Public/UCD/latest/ucd/NameAliases.txt>.
 
     say "\c[ALERT] # Not visible (U+0007 control code (also accessible as \a))
     say "\c[BELL] # 🔔 (U+1F514 BELL)
 
-You can also use any of the L<Named Sequences|http://www.unicode.org/Public/UCD/latest/ucd/NamedSequences.txt>, these are not single codepoints, but sequences of them.
+You can also use any of the L<Named Sequences|http://www.unicode.org/Public/UCD/latest/ucd/NamedSequences.txt>,
+these are not single codepoints, but sequences of them.
 (In Rakudo blead but not in the latest release of the compiler yet).
 
     say "\c[LATIN CAPITAL LETTER E WITH VERTICAL LINE BELOW AND ACUTE] # É̩
     say "\c[LATIN CAPITAL LETTER E WITH VERTICAL LINE BELOW AND ACUTE]".ords # (201 809)
     
-You can also use L<Emoji ZWJ Sequences|http://www.unicode.org/Public/emoji/4.0/emoji-zwj-sequences.txt> and L<Emoji Sequences|http://www.unicode.org/Public/emoji/4.0/emoji-sequences.txt>
+You can also use
+L<Emoji ZWJ Sequences|http://www.unicode.org/Public/emoji/4.0/emoji-zwj-sequences.txt>
+and L<Emoji Sequences|http://www.unicode.org/Public/emoji/4.0/emoji-sequences.txt>
 
-Additionally, in Rakudo blead and in the next monthly release of Perl 6 these names are all now case-insensitive:
+Additionally, in Rakudo blead and in the next monthly release of Perl 6 all
+Unicode codepoint names/named seq/emoji sequences are now case-insensitive:
 
     say "\c[boy]" # 👦 (U+1F466)