20 	uint	seq;		/* sequence number */  member
28 	uint	seq;		/* of logged change */  member
51 	f->seq = 0;  in fileopen()
61 	return f->seq != f->cleanseq;  in fileisdirty()
65 wrinsert(Buffer *delta, int seq, int mod, uint p0, Rune *s, uint ns)  in wrinsert()  argument
71 	u.seq = seq;  in wrinsert()
79 wrdelete(Buffer *delta, int seq, int mod, uint p0, uint p1)  in wrdelete()  argument
85 	u.seq = seq;  in wrdelete()
99 	if(merge.seq != f->seq)  in flushmerge()
102 		wrdelete(&f->epsilon, f->seq, TRUE, merge.p0, merge.p0+merge.n);  in flushmerge()
104 		wrinsert(&f->epsilon, f->seq, TRUE, merge.p0+merge.n, merge.buf, merge.nbuf);  in flushmerge()
135 	if(f->seq < seq)  in loginsert()
148 		wrinsert(&f->epsilon, f->seq, TRUE, p0, s, ns);  in loginsert()
153 			merge.seq = f->seq;  in loginsert()
174 	if(f->seq < seq)  in logdelete()
185 		merge.seq = f->seq;  in logdelete()
215 	if(f->seq < seq)  in logsetname()
222 	u.seq = f->seq;  in logsetname()
276 	u.seq = f->seq;  in fileuninsert()
292 	u.seq = f->seq;  in fileundelete()
338 	u.seq = f->seq;  in fileunsetname()
357 	u.seq = f->seq;  in fileunsetdot()
370 	u.seq = f->seq;  in fileunsetmark()
379 	if(f->seq > 0)  in fileload()
419 		f->seq = 0;  in fileupdate()
443 	return u.seq;  in prevseq()
450 		return f->seq;  in undoseq()
468 		stop = f->seq;  in fileundo()
484 			if(u.seq < stop){  in fileundo()
485 				f->seq = u.seq;  in fileundo()
491 				stop = u.seq;  in fileundo()
492 			if(u.seq > stop){  in fileundo()
503 			f->seq = u.seq;  in fileundo()
514 			f->seq = u.seq;  in fileundo()
534 			f->seq = u.seq;  in fileundo()
548 			f->seq = u.seq;  in fileundo()
556 			f->seq = u.seq;  in fileundo()
567 		f->seq = 0;  in fileundo()
576 	f->seq = 0;  in filereset()
603 		f->prevseq = f->seq;  in filemark()
608 	f->seq = seq;  in filemark()