Paragraphs inside of quote elements don't get highlighted properly

[ChiaraMartignano]

Paragraphs inside of quote elements don't get highlighted with the same highlighting color of the other contents of the quote.
See sample file:

[federicaspinelli]

Problem solved in Beta1, see sample file:

Find a new bug, relate to <quote> inside <p> without other elements, see sample file:

Correct visualization if <quote> its inside <app> and <lem> elements, see sample file:

[federicaspinelli]

Close in #75.