Differences From Artifact [d532eaaeb4]:

• File core/tune.js — part of check-in [0b33b10279] at 2022-05-08 06:11:33 on branch trunk — core: fix: crash when command/parameter at start of tune since commit [2c336cdff0] - reported by Stuart Soloway (user: jef size: 45550)

To Artifact [eaf565ec00]:

• File core/tune.js — part of check-in [d1c370ab39] at 2022-05-09 17:03:15 on branch trunk — core: fix: crash when new voice not declared in %%staves (user: jef size: 45651)

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				st: nstaff,
				range: v
			}
			par_sy.staves[nstaff] = {
				stafflines: curvoice.stafflines || "|||||",
				staffscale: 1
			}



		}
		set_transp()
	}

	if (!curvoice.filtered
	 && par_sy.voices[v]
	 && (parse.voice_opts

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				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