Hello! I'd really appreciate help with this problem: I have a blog post
containing `<!--more-->` to mark the (prior) part of the text that should
be used in previews etc. Given an Enlive DOM tree, how do I get just the
preview?
I guess I want to
1. Create a selector for the comment node (`{:type :comment, :text
"more"})` `(pred #(= % {:type :comment..})) ` seems useful to start turning
this into a selector but isn't enough. So what else?
2. How to drop all nodes after the comment? Perhaps transform with this
selector + somehow use `rights` to select all nodes after it and somehow
remove them?
Thanks a lot for any tips! I'm new to Enlive and it is daunting.
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