for (i = 0; i <= s.nhd; i++)
						note_transp(s, sk, s.notes[i])
					if (s.a_gch)
						gch_transp(s, sk)
					continue
				case C.KEY:
					if (sk)
						s.k_sf = sk.k_sf
						s.k_old_sf = sk.k_sf
					key_transp(s)
					if (!s.k_transp) // end of transposition
						break
					sk = s
				default:
					continue
				}

		else
			sk.k_transp -= d
		n_b40 += d
	}
	sk.k_b40 = n_b40

   var sf = abc2svg.b40sf[n_b40]
	sk.k_old_sf = sk.k_sf
	sk.k_sf = sf
	sk.k_map = abc2svg.keys[sf + 7]	// map of the notes with accidentals
}

/*
 * for transpose purpose, check if a pitch is already in the measure or
 * if it is tied from a previous note, and return the associated accidental

		}
		goto_tune()
		parse.state = 3			// in tune body
	}

	set_kv_parm(a)

	if (!curvoice.ckey.k_bagpipe && !curvoice.ckey.k_drum
	 && (cfmt.transp != undefined
	  || curvoice.transp != undefined
	  || curvoice.shift != undefined))
	    transp = (cfmt.transp || 0) +
		(curvoice.transp || 0) +
		(curvoice.shift || 0)
	if (curvoice.sndtran != undefined
	 || curvoice.sndsh != undefined)
		sndtran = (curvoice.sndtran || 0) +
			(curvoice.sndsh || 0)
	if (!curvoice.ckey.k_bagpipe && !curvoice.ckey.k_drum) {
		if (cfmt.transp != undefined
		  || curvoice.transp != undefined
		  || curvoice.shift != undefined)
		    transp = (cfmt.transp || 0) +
			(curvoice.transp || 0) +
			(curvoice.shift || 0)
		if (curvoice.sndtran != undefined
		 || curvoice.sndsh != undefined)
			sndtran = (curvoice.sndtran || 0) +
				(curvoice.sndsh || 0)
	}

	if (s_key.k_sf == undefined) {
		if (!s_key.k_a_acc
		 && transp == undefined) {
			if (sndtran == undefined)
				return		// not a key signature
			s_key.invis = true	// play only

			bol: parse.iend
		}
		if (parse.file[curvoice.clone.bol - 1] != ']')
			curvoice.clone.bol++	// start of new line
	}

	set_kv_parm(a)
	if (curvoice.new_transp || curvoice.new) {
		set_transp()
		curvoice.new_transp = 0
	}

	v = curvoice.v
	if (curvoice.new) {			// if new voice
		delete curvoice.new
		if (staves_found < 0) {		// if no %%score/%%staves
			curvoice.st = curvoice.cst = ++nstaff;
			par_sy.nstaff = nstaff;
			par_sy.voices[v] = {
				st: nstaff,
				range: v
			}
			par_sy.staves[nstaff] = {
				stafflines: curvoice.stafflines || "|||||",
				staffscale: 1
			}
		} else if (!par_sy.voices[v]) {
			curvoice.ignore = 1	// voice not declared in %%staves
			return
		}
		set_transp()
	}

	if (!curvoice.filtered
	 && par_sy.voices[v]
	 && (parse.voice_opts
	  || parse.tune_v_opts)) {
		curvoice.filtered = true;