refactor: rename and move function to set $JSINFO

This is a more consistent place relative to pageinfo()

fix: add missing global $ACT for $JSINFO

refactor: use native json_encode for $JSINFO

json_encode is available natively since PHP 5.2

refactor: rename JSINFO.DOKU_UHN and JSINFO.DOKU_UHC

This should make their purpose more obvious.

refactor: extract $JSINFO initialization into tpl_ function

refactor: rename dta and dtb parameters

They are now named min and max respectively, which is hopefully less
cryptic.

doc(search): parameter must be string or false

doc(search): highlight is expected to be an array

show adavanced tools with JavaScript only

adjusted language files to remove outdated string

removed sub header from all languages

added aria attributes

more styling and RTL support

use relative time in search results

doc(search): add missing PHP doc blocks

feat(Form): add parameter to omit security token in forms

This is useful for anonymously useable forms, like the search.

fix(search): don't search for current page if submitting empty form

Pressing enter in the small quick-search-box while it was empty resulted
in a search for the current pageid.

fix: display "show" item in page menu during search action

Since we no longer change the page during a search, using the "show"
menu item to return to the current page makes more sense.

l10n(search): localization for the toggle tools button

refactor(search): provide before/after arguments to search event

This way they can be cleanly influenced by the plugins instead of having
to modify global state.

refactor(search): rewite SearchState to make behavior more obvious

As suggested by @splitbrain SearchState now behaves simliar to the PSR-7
message interfaces.

l10n(search): Add link to create page from query to searchintro

Implements the functionality requested in #1124

fix(search): sort list of namespaces alphabetical in 2nd order

first go at styling

This removes a lot of reudundant CSS classes in favor of cascading
selectors. Styling isn't done, yet this is just a first step.

Still to do:

* aria labels
* styling the toggle

first go at styling

This removes a lot of reudundant CSS classes in favor of cascading
selectors. Styling isn't done, yet this is just a first step.

Still to do:

* aria labels
* styling the toggle mechanism
* RTL styling
* making sure everything displays correct when no JS is available
* translations may be missing
* refactoring the rest of search.less to make use of LESS features

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feat(search): trigger new event for small search field form

This also renames the event for the search form on the search page.

The scheme for naming events that provide the new Form-class as $data

feat(search): trigger new event for small search field form

This also renames the event for the search form on the search page.

The scheme for naming events that provide the new Form-class as $data is
FORM_<formname>_OUTPUT

show more ...