Plone-app-search

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- Fixed translation problem with the updated_search responses.
[dokai]

- fix search results when having done a seach and switching out some
items and doing the same search again, refs 12880
[maartenkling, robgietema]

- only fill query when there is at least one type selected
[maartenkling]

- Fixed Google Chrome and Safari search compatibility problem
https://dev.plone.org/ticket/13249
[Manabu TERADA]

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- Fix attribute error when portal_syndication can not be found.
[maurits]

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- JavaScript now correctly obeys navigation root for searches, obtained via
meta tag set in search.pt.
[seanupton]

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- Search.filter_query() checks for any valid indexes specified in request
to prevent empty catalog searches, instead of limiting searches to
require either SearchableText or Subject query. This is more permissive,
but accomplishes the same goal with better generality (possibly allowing
various cases including the calendar portlet using to search, instead
of deprecated search.pt in Products.CMFPlone).
[seanupton]

- Define navigation_root_url in search.pt when used in search-results
macro.
[seanupton]

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- Fixed regression when using search_results macro from outside template.
[thomasdesvenain]

- Don't assume that SearchableText is going to be in any url with a GET
request.
[eleddy]

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- Check if type uses view action in listing in search results.
[thomasdesvenain]

- Change breadcrumb separator to / (slash character) for accessibility, and added SEO benefits.
see https://dev.plone.org/ticket/12904
[polyester]

- Use convenience class ``width-full`` instead of grid class ``width-16`` in
search.pt, see https://dev.plone.org/ticket/13054
[saily]