metadata.php: applied PSR2 Coding Style Guide

reset Doku_Renderer properties

continue is break in switch

This should fix a warning in PHP 7.3

split changelog classes into their own namespace

The remaining functions in inc/changelog.php should be moved into a
utility class.

Fix for Issue#1250 Footnotes break metadata abstract saving

started a dedicated file for deprecated stuff

some more visibility declarations

moved Parser to Parsing namespace

moved all parsing related namespaces to their own

cleaned up Doku_Handler for PSR-2

adjusted the Lexer for PSR-2

adjusted Doku_Parser for PSR-2

All properties are declared protected. The handler is now set via the
constructor.

split handler.php into multiple files

For now I left Doku_Handler itself as it were. We will need to keep the
class name around for backwards compatibility but should move the class
itself.

I intro

split handler.php into multiple files

For now I left Doku_Handler itself as it were. We will need to keep the
class name around for backwards compatibility but should move the class
itself.

I introduced a new ReWriter Interface to formalize how the various call
writer implementations are accessed.

There are a whole bunch of doc blocks missing.

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split out parser modes into their own files

This moves all the parser classes into their own namespace and files.
Next up are the handler classes.

I'm not sure about the namespace, yet. A nested na

split out parser modes into their own files

This moves all the parser classes into their own namespace and files.
Next up are the handler classes.

I'm not sure about the namespace, yet. A nested namepspace Parser\Modes
would probably make more sense... we'll see.

This also removes the duplicated coded in the Plugin mode. We now use
the plugin trait and can inherit from AbstractMode instead.

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visibility definition for the renderers

I made a lot of things public that probaly should be protected. But many
syntax plugins do access renderer mechanisms directly, so better stay on
the safe sid

visibility definition for the renderers

I made a lot of things public that probaly should be protected. But many
syntax plugins do access renderer mechanisms directly, so better stay on
the safe side here.

The base renderer is now abstract.

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line lengths shortened

This makes sure all files use line lenghts shorter than 120 characters.

This is a quick fix. It might not always be the nicest change.

remove DOKU_INC checks

There is no need for this check, since these files should not have any
main code that is executed on direct call.

Fixes PSR1.Files.SideEffects.FoundWithSymbols

Prevent HTML and JS injection in section names

Before this change, HTML and some JS code (as far as it was not escaped
by json_encode) could be injected into the output as the closing pattern
that i

Prevent HTML and JS injection in section names

Before this change, HTML and some JS code (as far as it was not escaped
by json_encode) could be injected into the output as the closing pattern
that is checked by the regex is not escaped in JSON (see test case).

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fallback for new section editing. fixes #2311

The displayed message now shows the target that was passed, which should
help identifying the troubling plugin.

Instead of failing, we fix the data our

fallback for new section editing. fixes #2311

The displayed message now shows the target that was passed, which should
help identifying the troubling plugin.

Instead of failing, we fix the data ourselves - this code will be
removed in the future.

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relax geshi options a bit more

Quotes are now optional, the options are spearated by space

fix regex character class. fixes #2301

Refactored section edit

The data for the section edit button is now passed as an assoziative array which is
encoded in the '#<!-- EDIT(.*) -->#' placeholder as an JSON array.

fix inconsistent use of rawurlencode

fix xhtml:internallink $params usage, fixes #2188
not perfect, but it works

protect strings that depend on uploaded file name