prev_char_len    1739 src/buffer.h   		 ? prev_char_len (*bytepos) : 1);
prev_char_len     393 src/cmds.c     		  actual -= prev_char_len (actual);
prev_char_len     295 src/dispextern.h 	   (POS).bytepos -= prev_char_len ((POS).bytepos); \
prev_char_len    1017 src/editfns.c        pos -= prev_char_len (pos);
prev_char_len    1130 src/editfns.c        pos_byte -= prev_char_len (pos_byte);
prev_char_len     391 src/insdel.c         bytepos -= prev_char_len (bytepos);
prev_char_len     552 src/syntax.c   	     ? prev_char_len (bytepos) : 1));