Differences From Artifact [1c683b8fc0]:

• File core/tune.js — part of check-in [03208464f7] at 2021-09-27 09:13:23 on branch trunk — core: fix: many bugs relative to the first %%staves and Q: - reported by Jakob Englhauser (user: jef size: 44621)

To Artifact [cb0e876a78]:

• File core/tune.js — part of check-in [3ef3432230] at 2021-09-28 13:17:45 on branch trunk — core: fix: crash when voice appearing mid-tune since commit [4903a93059] - reported by Jakob Englhauser (user: jef size: 44617)

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	}
}

// check if a clef, key or time signature may go at start of the current voice
function is_voice_sig() {
	var s

//	if (!curvoice.sym)
//		return true	// new voice (may appear in the middle of a tune)
	if (!curvoice.sym)
		return true	// new voice (may appear in the middle of a tune)
	if (curvoice.time)
		return false
	for (s = curvoice.last_sym; s; s = s.prev)
		if (w_tb[s.type])
			return false
	return true
}