On Jun 27, 2016, at 10:19 PM, Chris Forster <[email protected]> wrote:
> Is it possible to include Pollen markup in the metas metadata hash?
>
> Am I missing something? Is it possible to use markup/function in metas? Is
> there a different approach to metadata I should be exploring?
Yes (although I agree the error message could be more helpful). A meta value
can be any single X-expression. The problem with
Conclusion to ◊em{Studies in the History of the Renaissance}
Is that it's a sequence of two X-expressions: the string "Conclusion to"
followed by the sub-expression '(em "Studies in the History of the
Renaissance").
The solution is to wrap it all in a single tag so it becomes one X-expression.
You can create a new tag, or just use the splice tag, for instance:
#lang pollen/markup
◊(define-meta title ◊@{Conclusion to ◊em{Studies in the History of the
Renaissance}})
Now you have ◊(select-from-metas 'title metas)
Result:
'(root "Now you have " "Conclusion to " (em "Studies in the History of the
Renaissance") "\n")
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