}
	body := string(slurp)
	for _, ref := range localLinks(body) {
		if *verbose {
			log.Printf("  links to %s", ref)
		}
		dest := *root + ref
		linkSources[dest] = append(linkSources[dest], url)
		crawl(dest, url)
	}
	for _, id := range pageIDs(body) {
		if *verbose {
			log.Printf(" url %s has #%s", url, id)
		}
		fragExists[urlFrag{url, id}] = true
	}
	return nil

	}
	nsLk.ref++
	n.lockMap[resource] = nsLk
	n.lockMapMutex.Unlock()

	// Locking here will block (until timeout).
	if readLock {
		locked = nsLk.GetRLock(ctx, opsID, lockSource, timeout)
	} else {
		locked = nsLk.GetLock(ctx, opsID, lockSource, timeout)
	}

	if !locked { // We failed to get the lock
		// Decrement ref count since we failed to get the lock
		n.lockMapMutex.Lock()
		n.lockMap[resource].ref--