I thought so but it’s entirely possible that you’re right. It wouldn’t have occurred to me that something like that might have moved. Anyhow, all sorted.
While I agree with the request, I find select more works perfectly fine, as long as you only select one syllable in the given line.
Perhaps I’m clicking in the wrong place, then, because sometimes I click on one syllable and then the select more function selects the lyrics above and below too, before progressing forward to the next measures.