So one might think the issue is that lighbox always creates a block element, but that’s not so simple:
Consider this markdown:
Some textSome textSome text
To be a bug, per the category description, this must prevent normal use of Discourse. I don’t see this preventing anyone from using Discourse in a normal manner. Recategorizing to feature.
[b]Should be bold[/b]
In the composer preview and in the cooked post if the image is too small to be lightboxed, the result is:
But, in the cooked post if the image is lightboxed, the result is: