CrossLine – outliner with sophisticated cross-link capabilities like Ecco Pro

Careful, Herr Keller: I know of at least one Ecco Pro person who was so enamoured of cross-linking that they fell down the Xanadu rabbit hole :-)<p>(or maybe you <i>should</i> fall down it? Despite the promise of the early web, we&#x27;re just barely into the era of transquotation: <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Transclusion#:~:text=an%20explicit%20quotation,he%20calls%20transquotation" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Transclusion#:~:text=an%20expl...</a> )