=head3 unicode8bit
-THIS IS SUBJECT TO CHANGE
-
Use legacy semantics for the 128 characters on ASCII systems that have the 8th
bit set. (See L</EBCDIC platforms> below for EBCDIC systems.) Unless
C<S<use locale>> is specified, or the scalar containing such a character is
This behavior stems from when Perl did not support Unicode, and ASCII was the
only known character set outside of C<S<use locale>>. In order to not
-possibly break pre_Unicode programs, these characters have retained their old
+possibly break pre-Unicode programs, these characters have retained their old
non-meanings, except when it is clear to Perl that Unicode is what is meant,
for example by calling utf8::upgrade() on a scalar, or if the scalar also
contains characters that are only available in Unicode. Then these 128
=item *
Changing the case of a scalar, that is, using C<uc()>, C<ucfirst()>, C<lc()>,
-and C<lcfirst()>, or C<\L>, C<\U>, C<\u> and C<\l> in regular expression substitutions.
+and C<lcfirst()>, or C<\L>, C<\U>, C<\u> and C<\l> in regular expression
+substitutions.
=item *
Specifying sub-versions such as the C<0> in C<5.10.0> in legacy bundles has
no effect: legacy bundles are guaranteed to be the same for all sub-versions.
-Legacy bundles are not allowed with C<no legacy>
+Legacy bundles are not allowed with C<no legacy>.
=cut