Hotkeys/Editing

Ctrl+Z	Undoes the last action.
Alt+BkSpace
Ctrl+Y	Redoes the last undone action. (RE clone specific)
Ctrl+Del	Deletes entire word to the left from the caret. If no word is there, deletes all white-spaces or a single character otherwise.
Ctrl+BkSpace	Deletes entire word to the right from the caret. If no word is there, deletes all white-spaces or a single character otherwise.
Alt+Del	Deletes the entire actual line.
Ctrl+Shift+Del	Deletes the rest of the actual line.
Ctrl+Shift+BkSpace	Deletes the actual line from its beginning up to the actual caret posision.
Ctrl+Enter	Auto-indents the text after starting a new line.
Ctrl+Shift+Enter	Copies the text that preceedes the caret from the actual line to a new line.
Alt+Ctrl+Space	Copies a word that is directly above the caret. If the previous line is not long enough, searches further above.
Ctrl+Shift+Space	Copies a word that is directly above the caret, but also on a line that is similar to the actual line. Similarity means that it starts with the same phrase as the actual line.
Ctrl+Space	Shows the Complete Word dialog in order to complete a word that is to the left from the caret.