Re: Walk all blocks except inside footnotes

[John MacFarlane <jgm-TVLZxgkOlNX2fBVCVOL8/A@public.gmane.org>]

Have you looked at regular syb generics?
Data.Generic.Schemes has some functions that look
like good candidates, such as everywhereBut.

+++ Elliott Slaughter [Oct 17 15 13:12 ]:
>   Hi,
>   I am using Text.Pandoc.Walk to transform all blocks of a certain type.
>   This works great, except that it recurses into blocks contained inside
>   footnotes and also applies the transformation there, which is not what
>   I want.
>   What I would like is a way to stop the recursion at footnotes to
>   prevent them from being transformed, as I have (to the best of my
>   knowledge) no way to tell that a block is inside a footnote when I'm
>   looking at it. However, I am struggling to do this within the structure
>   of Text.Pandoc.Walk because the function provides no mechanisms to
>   direct or abort recursion, and even if it did, the footnotes themselves
>   are inlines, not blocks.
>   I know I could write the traversal by hand in Haskell, but is time
>   consuming and would require much more code. Is there a better
>   alternative?
>   Thanks in advance.
>   --
>   Elliott Slaughter
>   "Don't worry about what anybody else is going to do. The best way to
>   predict the future is to invent it." - Alan Kay
>
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