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  1. or download this
    # /*     vi:set syn=yacc: */
  2. or download this
    my $temp_pos = pos($$input);
$$input =~ s/\G\s*(\n)\s*([+-]{2})/$1;$2/sg;
pos($$input) = $temp_pos;
  3. or download this
    my $temp_pos = pos($$input);
$temp_pos =~ s/\G\s*(\n)\s*([+-]{2})/$1;$2/sg;
pos($$input) = $temp_pos;