The numbers refer to the Perl repository change numbers; see
L<Changes58> (or L<Changes> in Perl 5.8.1). In addition to these
changes, lots of work took place in integrating threads, PerlIO, and
-Unicode; and general code cleanup; and last but not least and porting
-to non-UNIX lands like Win32, VMS, Cygwin, DJGPP, VOS, MacOS Classic,
+Unicode; general code cleanup; and last but not least porting to
+non-UNIX lands such as Win32, VMS, Cygwin, DJGPP, VOS, MacOS Classic,
and EBCDIC.
=over 4
=item 11656
-allow builing perl with -DUSE_UTF8_SCRIPTS which makes UTF-8
+allow building perl with -DUSE_UTF8_SCRIPTS which makes UTF-8
the default script encoding (not the default since that would
break all scripts having legacy eight-bit data in them)