Added strip trailing whitespace on save

Submitted by Shuhao

Assigned to Matthew Brush @matt

Created attachment 5005 Patch file.

This feature is found in numerous other editors and should be here as well. Very simple change, will be my first.

Also, another feature to implement is not to strip the current line's trailing as you probably don't want that.

Version: 0.3.0

Edited Aug 25, 2020 by Gaël Bonithon