• Eli Zaretskii's avatar
    Speed up cursor motion in large fontified buffers. · e8c17b88
    Eli Zaretskii authored
     src/xdisp.c (reseat): Don't look for prev_stop, as that could mean a
     very long run.
     (next_element_from_buffer): When iterator oversteps prev_pos
     backwards, don't search for a new prev_stop more than 1000
     characters back.
     (handle_stop_backwards): Don't assume that CHARPOS is necessarily
     a stop_pos.
     (compute_display_string_pos): Check also BUF_OVERLAY_MODIFF for a
     match, when testing the cached display string position for
ChangeLog 144 KB