=item *
-The array C<@{"_<$filename"}> holds the lines of $filename for all
-files compiled by Perl. The same for C<eval>ed strings that contain
+Each array C<@{"_<$filename"}> holds the lines of $filename for a
+file compiled by Perl. The same for C<eval>ed strings that contain
subroutines, or which are currently being executed. The $filename
for C<eval>ed strings looks like C<(eval 34)>. Code assertions
in regexes look like C<(re_eval 19)>.
=item *
-The hash C<%{"_<$filename"}> contains breakpoints and actions keyed
+Each hash C<%{"_<$filename"}> contains breakpoints and actions keyed
by line number. Individual entries (as opposed to the whole hash)
are settable. Perl only cares about Boolean true here, although
the values used by F<perl5db.pl> have the form
=item *
-The scalar C<${"_<$filename"}> contains C<"_<$filename">. This is
+Each scalar C<${"_<$filename"}> contains C<"_<$filename">. This is
also the case for evaluated strings that contain subroutines, or
which are currently being executed. The $filename for C<eval>ed
strings looks like C<(eval 34)> or C<(re_eval 19)>.