Timeline for Why is `\strut` working in these scenarios?

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Jun 28, 2013 at 19:17	comment	added	A.Ellett		But without a strut and without raising the box, "Hello" would be set between the lines. As I understand it `\strut` would add invisible height and depth. That might lead me to think that the correct value to pass to `\raisebox` would be something like `\dimexpr\dp\strutbox+\ht\strutbox\relax`. But that would be wrong. Given that `\raisebox{\depth}[0pt][0pt]{Why}` works and since "Hello" has zero depth, I would then naively think that `\raisebox{0pt}....` should do the trick, which it doesn't.
Jun 28, 2013 at 19:02	comment	added	Przemysław Scherwentke		@A.Ellett Because "Hello" has zero depth. Hence `\strutbox`adds an additional depth and the lines are aligned.
Jun 28, 2013 at 18:55	comment	added	A.Ellett		I agree with you about the typical case. But, where "Hello" is jutting out into the margin doesn't seem very typical to me. And in this particular scenario it's much more a mystery to me why `\strut` is working than the other.
Jun 28, 2013 at 18:52	history	answered	Przemysław Scherwentke	CC BY-SA 3.0