Add division tag around image tags

[beutlich]

This PR improves the rendering of images in Dymola documentation view to avoid images being displayed next to the previous block.

[maltelenz]

Isn't this just a bug in Dymola? If I'm understanding correctly, blockquote is supposed to be display: block, which means there is already a line break, and the div is not needed.

[HansOlsson]

Looks good.

[henrikt-ma]

Isn't this just a bug in Dymola? If I'm understanding correctly, blockquote is supposed to be display: block, which means there is already a line break, and the div is not needed.

I think this comment deserves a reply. I suppose standardizing on the WHATWG interpretation would be a possible choice for the Modelica documentation, but I don't see it stated anywhere. This means that W3C resources seem just as relevant, and at www.w3schools.com they just mention display:block as typical browser behavior:

Most browsers will display the <blockquote> element with the following default values: …

Anyway, regardless which HTML specification we have in mind, I think wrapping these images in <div> looks like good style, expressing clearly that these images should have line breaks both before and after.

[maltelenz]

After some more reading, it turns out that the img tag, being an inline element, can not occur directly in the body element, since body only accepts block elements. As such, I see why it makes sense to wrap a div around img tags.

This means that W3C resources seem just as relevant, and at www.w3schools.com ...

w3schools.com is not affiliated with W3C, and as such is not a authoritative source.