Fix undefined array keys when displaying revisions

Improve wording of Logviewer plugin intro text

Fix Undefined array key in Search/Indexer.php

Fix Undefined array key warnings in template.php

Warning: Undefined array key "__background__" in .../inc/ on line 1275

Triggered for the following language strings: __text__, __background__,
__tex

Fix Undefined array key warnings in template.php

Warning: Undefined array key "__background__" in .../inc/ on line 1275

Triggered for the following language strings: __text__, __background__,
__text_alt__, __background_alt__, __text_neu__, __background_neu__,
__border__ and __highlight__.

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Fix warning when displaying PDF in Media manager

Trying to access array offset on value of type bool in
.../inc/JpegMeta.php on line 1322

Fix Undefined array key "DOKU_PREFS" in common.php

Fix Undefined array keys in Diff.php

Occurs when the selected revision is the first or last of the list,
for both the left and right revs.

Fix Undefined array key "current" warnings

Multiple occurrences when showing a page's revisions.

Fixes #3392

Fix Undefined array key "ns" in search.php

Shown when expanding namespaces in Media Manager.

Fix undefined array key warning in auth.php

Got the following warnings on PHP 8.

- Undefined array key "DW<cookie_hash>" in .../inc/auth.php on line 248
- Trying to access array offset on value of

Fix undefined array key warning in auth.php

Got the following warnings on PHP 8.

- Undefined array key "DW<cookie_hash>" in .../inc/auth.php on line 248
- Trying to access array offset on value of type null in .../inc/auth.php on line 248

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Fix array access on null in Logger.php

Fixes #3391

fix: better max-width for images in tables

Tables are very aggressive with how they size the contents of their
cells. That leads to sometimes extremely small images with
max-width:100%, especially f

fix: better max-width for images in tables

Tables are very aggressive with how they size the contents of their
cells. That leads to sometimes extremely small images with
max-width:100%, especially for images that already have a small
intrinsic size.

Setting the max-width to 50vw, i.e. half the view-port, is chosen as a
trade-off between:
* letting small images keep their full size in most view-ports
* keeping large images still pretty large on large view-ports
* prevent scrolling in most circumstances (scrolling a table is really
bad user experience, this is the goal of the browser)

Fixes #2059

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Fix Undefined array key "fperm" warning

Also removed a few, now unnecessary `!empty` checks

Fixes #3382

Fix warning in install.php on PHP 8

Warning: Undefined array key "pop" in install.php on line 427

In PHP 8, attempting to read an undefined array key throws a warning
instead of a notice as in earl

Fix warning in install.php on PHP 8

Warning: Undefined array key "pop" in install.php on line 427

In PHP 8, attempting to read an undefined array key throws a warning
instead of a notice as in earlier versions [1].

[1]: https://www.php.net/manual/en/migration80.incompatible.php

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dwpage.php: add an option to get metadata

This adds an option to ./bin/dwpage.php, to display metadata about a
page. This is useful in maintenance shell scripts, and debugging plugins.
There is no a

dwpage.php: add an option to get metadata

This adds an option to ./bin/dwpage.php, to display metadata about a
page. This is useful in maintenance shell scripts, and debugging plugins.
There is no ability to write metadata, only read them.

./bin/dwpage.php -u <user> gmeta [page] <meta tag>

where <meta tag> can be "date modified" (in quotes) or "last_change date"
an empty <meta tag> returns all metadata.

Signed-off-by: Robin Getz <robin.getz@analog.com>

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translation update

Fix double border on `abbr` elements in Chrome

DokuWiki styles `abbr` elements with a dotted bottom border.
In 2017 Chrome added the browser default `text-decoration: underline dotted`.
That leads t

Fix double border on `abbr` elements in Chrome

DokuWiki styles `abbr` elements with a dotted bottom border.
In 2017 Chrome added the browser default `text-decoration: underline dotted`.
That leads to two different underlines/borders showing.
This overwrites the Chrome default so that only one line is showing.

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rename namespace Media to File

This is a bit more generic and allows us to have additional File
abstractions in here later.

remove some obviously wrong strings from swedish translations

It seems these were introduced in #3379 or #3378. @viking-cat may want
to recheck the state of the swedish translation.

test translations for correctness

This inspired by https://www.dokuwiki.org/teams:i18n:translation-check
by @schplurtz Instead of relying on an external script that only checks
after a translation w

test translations for correctness

This inspired by https://www.dokuwiki.org/teams:i18n:translation-check
by @schplurtz Instead of relying on an external script that only checks
after a translation was merged, this test can be run in out CI
environment and help us to avaoid merging faulty translations.

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translation update

translation update

add cache buster on security check request

When doing a normal reload on the admin page to recheck the security,
the browser may not re-request the image again. This adds a timestamp to
the URL to e

add cache buster on security check request

When doing a normal reload on the admin page to recheck the security,
the browser may not re-request the image again. This adds a timestamp to
the URL to ensure the image is tested again

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cleaner behaviour for data directory check

Show a properly translated message.

translation update