to do a lot of inserting and don't want to keep modifying C<$_>. See
L<perlrun> for the B<-i> switch.
-=item Handle->output_field_separator( EXPR )
+=item IO::Handle->output_field_separator( EXPR )
=item $OUTPUT_FIELD_SEPARATOR
The output field separator for the print operator. If defined, this
value is printed between each of print's arguments. Default is C<undef>.
+You cannot call C<output_field_separator()> on a handle, only as a
+static method. See L<IO::Handle|IO::Handle>.
+
Mnemonic: what is printed when there is a "," in your print statement.
=item HANDLE->input_line_number( EXPR )
Mnemonic: many programs use "." to mean the current line number.
-=item HANDLE->input_record_separator( EXPR )
+=item IO::Handle->input_record_separator( EXPR )
=item $INPUT_RECORD_SEPARATOR
that you specified. This behaviour may change without warning in a
future version of perl.
+You cannot call C<input_record_separator()> on a handle, only as a
+static method. See L<IO::Handle|IO::Handle>.
+
See also L<perlport/"Newlines">. Also see L</$.>.
Mnemonic: / delimits line boundaries when quoting poetry.
-=item Handle->output_record_separator( EXPR )
+=item IO::Handle->output_record_separator( EXPR )
=item $OUTPUT_RECORD_SEPARATOR
The output record separator for the print operator. If defined, this
value is printed after the last of print's arguments. Default is C<undef>.
+You cannot call C<output_record_separator()> on a handle, only as a
+static method. See L<IO::Handle|IO::Handle>.
+
Mnemonic: you set C<$\> instead of adding "\n" at the end of the print.
Also, it's just like C<$/>, but it's what you get "back" from Perl.
unless you call C<formline()> yourself and then look at it. See
L<perlform> and L<perlfunc/"formline PICTURE,LIST">.
-=item HANDLE->format_formfeed(EXPR)
+=item IO::Handle->format_formfeed(EXPR)
=item $FORMAT_FORMFEED
What formats output as a form feed. The default is C<\f>.
+You cannot call C<format_formfeed()> on a handle, only as a static
+method. See L<IO::Handle|IO::Handle>.
+
=item HANDLE->format_page_number(EXPR)
=item $FORMAT_PAGE_NUMBER
Mnemonic: lines_on_page - lines_printed.
-=item Handle->format_line_break_characters EXPR
+=item IO::Handle->format_line_break_characters EXPR
=item $FORMAT_LINE_BREAK_CHARACTERS
fill continuation fields (starting with C<^>) in a format. The default is
S<" \n-">, to break on a space, newline, or a hyphen.
+You cannot call C<format_line_break_characters()> on a handle, only as
+a static method. See L<IO::Handle|IO::Handle>.
+
Mnemonic: a "colon" in poetry is a part of a line.
=item HANDLE->format_lines_per_page(EXPR)