unwind_format_mode_line 13600 src/xdisp.c          record_unwind_protect (unwind_format_mode_line, format_data);
unwind_format_mode_line 26893 src/xdisp.c      record_unwind_protect (unwind_format_mode_line,
unwind_format_mode_line 27682 src/xdisp.c      record_unwind_protect (unwind_format_mode_line,