-compute_motion (ptrdiff_t from, EMACS_INT fromvpos, EMACS_INT fromhpos, int did_motion, ptrdiff_t to, EMACS_INT tovpos, EMACS_INT tohpos, EMACS_INT width, ptrdiff_t hscroll, int tab_offset, struct window *win)
+compute_motion (ptrdiff_t from, EMACS_INT fromvpos, EMACS_INT fromhpos,
+ bool did_motion, ptrdiff_t to,
+ EMACS_INT tovpos, EMACS_INT tohpos, EMACS_INT width,
+ ptrdiff_t hscroll, int tab_offset, struct window *win)