Improve handling of cursor_start and cursor_end for completions. Improve handling of cursor_start and cursor_end for completions. Improve handling of cursor_start and cursor_end for completions. Fix handling of end != cursor_position Fix handling of cursor offset and handle end <= start. Fix handling of cursor offset and handle end <= start. Reinstate extra whitespace More whitespace reinstating Still more whitespace Finalwhitespace Add a guard on start Fix logic for end > cursor_pos Another ws add WS tweak WS again