The tipue plugin registers itself as pelican.plugins.tipue_search (namespace
plugin) in the latest version see here:
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Keep old style tipue_search to be compatible with old versions.
To use the search one would need to add "search" to DIRECT_TEMPLATES in
pelicanconf.py so that search.html is copied to the output folder:
DIRECT_TEMPLATES = ["index", "tags", "categories", "archives", "search"]
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