@Simon: All features you've mentioned are on our list:
- Remove trailing spaces is planend to be an option in save dialog as well as in the status-bar options.
- We have already started research on word completion (that's a simplified code completion).
- Ctrl+D is now occupied, though we'll add a way to edit shortcuts which will allow you to map (currently not available) delete line command.
@David:
- Searching in multiple documents is on the list as well.
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Martin "Cohen" Balážik