git clone 'git://github.com/lewang/ws-butler.git'
Only lines touched get trimmed. If the white space at end of buffer is
changed, then blank lines at the end of buffer are truncated respecting
Trimming only happens when saving.
The user is not made explicitly aware when trimming happens. You keep working and the butler takes care of whitespace for you.
This means if point is at a location that was trimmed, point is not moved, but the data on disk has been cleaned up (revert the buffer to confirm).
By default, ws-butler preserves “virtual spaces” in front of point if necessary. The file on disk is cleaned up however.
This can be disabled with
I started by trimming all spaces at EOL in source code in a “write-file-hook” when I started programming. It seemed like a great idea.
post-command-hookand trims white space while you edit.
I started experimenting with using
highlight-changes-mode to trim only
lines I touch on save.
Now, the dependency on
highlight-changes-mode has been removed and we
handle change changing through text properties ourselves.