$action->get_line_pre LINENUMBERS

Maps the line numbers after the action to those before the action was applied.

$action->get_line_post LINENUMBERS

Maps the line numbers before the action to those after the action was applied.

$action->commutes_with ACTION

This is a specialized implementation implementing the following commutation rules, for line-based actions only!

The following actions commute:

  delete + delete
  insert + nonoverlapping insert
  insert + disjunct delete

The following actions do not commute:

  insert + internal insert
  insert + overlapping delete



Written by Max Maischein <corion@cpan.org>

Copyright Max Maischein 2005,2006; All Rights Reserved.

This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.