Revises rephrasing of \n matching magic.

@fluca1978's contribution is OK. Some reformatting, too. Closes #1709.

doc/Language/regexes.pod6

@@ -115,15 +115,16 @@ written with an upper-case letter, C<\W>.
 
 =item X<C<\n> and C<\N>|regex,\n;regex,\N>
 
-C<\n> matches a single, logical newline character.C<\N> matches a single
+C<\n> matches a single, logical newline character. C<\N> matches a single
 character that's not a logical newline.
 
 What is considered as a single newline character is defined via the compile
 time variable L«C<$?NL>|/language/variables#index-entry-$?NL», and the
 L<newline pragma|/language/pragmas>.
 
-Therefore, C<\n> is supposed to be able to match either a Unix-like
-newline C<"\n">, a Microsoft Windows style one C<"\r\n">, or one in the Mac style C<"\r">.
+Therefore, C<\n> is supposed to be able to match either a Unix-like newline
+C<"\n">, a Microsoft Windows style one C<"\r\n">, or one in the Mac style
+C<"\r">.
 
 =item X<C<\t> and C<\T>|regex,\t;regex,\T>