Hi,
I recently decided to deliberately improve my Racket code by studying
well-written code, reverse engineering the program or library and
documenting what I've learnt in a Pollen book. I'm trying to add a table of
contents based on a nested pagetree. For now, I would just like it to show
the children of the root node, minus the page with the TOC itself
(index.html).
My index.ptree looks like this:
index.html
introduction.html
◊parenlog/parenlog.html{
parenlog/introduction.html
parenlog/predicates_variables_and_unification.html
}
glossary.html
In pollen.rkt, right now I've got:
(define (toc)
(txexpr
'ul
'((class "toc"))
(map (λ (pn) `(li (a ((href ,(symbol->string pn))) ,(select 'h1 pn))))
(next* 'index.html (get-pagetree "index.ptree")))))
(provide toc)
That allows me to load index.html, but it contains
parenlog/introduction.html as well as
parenlog/predicates_variables_and_unification.html.
I'd prefer to use siblings instead of next* and remove index.html, but for
some reason index.html isn't served when I do that. I don't get an error
message - the page just hangs in my browser. Are there special restrictions
on what you can do with a pagetree in pollen.rkt?
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