guard against unset parameters

Many string function will throw a deprecation warning in PHP 8.1 when
null is passed. This adds a few guards in some of our methods (not all,
yet)

always use the same htmlspecialchars setup

defaults for htmlspecialchars change in PHP 8.1

All calls should always use our hsc() method to ensure comparability
(especially when testing)

coding style of functions using ChangeLog

replace deprecated function calls

Replaces the use of resolve_pageid() and resolve_mediaid() with the
proper class invocations

Fix various errors in PHPUnit tests on PHP 8

Fix Undefined array key in xhtml.php

lazy load images

This adds the loading="lazy" attribute to embedded images and the
thumbnails in the media manager. This instructs modern broswers to load
images on demand when they come into view.

lazy load images

This adds the loading="lazy" attribute to embedded images and the
thumbnails in the media manager. This instructs modern broswers to load
images on demand when they come into view. It can reduce used bandwith
and improve perceived speed.

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SVG based smileys

This patch replaces our old gif based smileys by SVG based ones from the
Twemoji project. This allows for scaling the emojis with the text
they're used in.

make handler status available via accessors. fixes #2931

This allows plugins to inspect and manipulate the status if needed.

Fix accessing calls

Some plugins need access to the handler (and rewriter) calls. One
example is the do plugin.

This adds some accessing methods to the callWriter objects, ensures
$calls can be acc

Fix accessing calls

Some plugins need access to the handler (and rewriter) calls. One
example is the do plugin.

This adds some accessing methods to the callWriter objects, ensures
$calls can be accessed and removes some duplicate code by introducing an
abstract base class.

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restore access to utility function in renderer

All other utility functions are public, too. And we had this one public
in the metadata renderer already. We maybe will want to deprecate the
old under

restore access to utility function in renderer

All other utility functions are public, too. And we had this one public
in the metadata renderer already. We maybe will want to deprecate the
old underscore name some time

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generate curid class by jQuery

internallink's output <a> tag gets a new attribute, data-wiki-id, so that
jQuery doesn't need to parse the various link format to get the ID.

Any plugin javascript th

generate curid class by jQuery

internallink's output <a> tag gets a new attribute, data-wiki-id, so that
jQuery doesn't need to parse the various link format to get the ID.

Any plugin javascript that loads after DokuWiki's script should be able to
discover curid class as usual, as long as they use the default js.php
facility.

fixes #1511, fixes #2968.

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Prevent double encoding audio/video titles

Restore backwards compatibility for Doku_Parser

Apparently, #2358 introduced a breaking change to the constructor and
usage of Doku_Parser, which broke some plugins, e.g. the move plugin in
michitux

Restore backwards compatibility for Doku_Parser

Apparently, #2358 introduced a breaking change to the constructor and
usage of Doku_Parser, which broke some plugins, e.g. the move plugin in
michitux/dokuwiki-plugin-move#176

This patch should restore the legacy behavior of this deprecated class.

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PHP8 fix part 4: Trying to access array offset on value of type bool/null

PHP8 fix part 1: Trying to access array offset on value of type bool/null

make addPluginCall accessible again

Some plugins are using this method.

make addCall accessible again. fixes #2887

It also reintroduces _addCall() as a deprecated alias.

Fix curly brace syntax. PHP 7.3 deprecations in inc/ directory.

Add "default" keyword support for interwiki links

Thank you @selfthinker for the suggestion!

If nothing is found in default, it will still fall back to "". Test is added as well.

Meantime I fixed

Add "default" keyword support for interwiki links

Thank you @selfthinker for the suggestion!

If nothing is found in default, it will still fall back to "". Test is added as well.

Meantime I fixed a problem that Scrutinizer complained about.

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Remove Google Lucky for non-existing interwiki links

For compatibility renderer will return string '' of $shortcut and $url instead of NULL when seeing a non-existing interwiki link. In the meantime

Remove Google Lucky for non-existing interwiki links

For compatibility renderer will return string '' of $shortcut and $url instead of NULL when seeing a non-existing interwiki link. In the meantime, media and link output in xhtml renderer is adjusted, to show title text instead when src/href is null. In interwiki case, the title will be the "reference" part of the interwiki link.

This makes it possible to also support no URL cases in `interwiki.conf`. Before it will output a URL as `rawurlencode($reference)`, which doesn't make too much sense since it's encoded. However, I am not sure the use case under the current behavior (no URL, but text as `$reference`).

Docs needs to be added to warn renderer plugin developers of this situation.

This fixes #2588.

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Add ugc hint to nofollow