Joomla4 Ready! and much more...

by @dryabov

• Stable version 2.4.0 which is Joomla 4 ready.
• Makes sure that the use encoding with base64 is still treated as an error, for manual investigation.
• warning-level for GPL-compatible licenses
• fix missed js folder in manifest
• fix "unexpected protected"
• remove extension type check (moving to XMLINFO rules)
• add check for allowed extension type (moved here from XMLManifest rules)
• remove incorrect since tags
• fix collapsing in BS5
• check folders exist
• fix processing of one-line comments
• Apply naming rules to the main manifest file(s?) only (others are checked for URLs, ASCII, length, and menu name only)
• sort sidebar menu items according to the $ordering field
• remove GPL-incompatible licenses
• fix @SInCE version to 2.4
• fix processing of short php tags
• switch to JEDCheckerHelper::findManifests
• switch to use of JEDCheckerHelper in xmlfiles
• Display full path to the file/folder in the error message
• switch to JEDCheckerHelper::findManifests
• Joomla code-style fix
• switch to use of JEDCheckerHelper in xmlinfo
• Check length of the listing name (warning for 40+, error for 80+)
• Error for non-ASCII characters in the listing name
• Allow trailing "for Joomla" in the listing name
• check prefixed names
• check reserved words
• extract extension's language file loading into function loadExtensionLanguage
• change foreach-based to regex-based search in encoding.php
• Mitigate Encoding rule to warning-level
• skip nonexecutable files [starting with die() or exit()] in GPL rule
• introduce JEDCheckerHelper::findManifests to get "real" manifest files, sorted by depth
• Add JEDCheckerHelper class with some common methods
• Mitigate unquoted strings error to a warning
• add newline at end of dtd-json files
• Warning on outdated manifest format
• fix Joomla codestyle
• fix Joomla codestyle
• Check both filename and file nodes
• check namespace path directory exists
• check addfieldpath/addformpath/addrulepath directories exist
• add "tgz" into a list of possible archive extensions
• Check files in the fileset node of type="file" extensions
• check fonts in language package
• Detect tabs in key names
• Check file is correctly read
• Add descriptions for new checks
• Check for spaces around the translation string (just a notice for en-GB language)
• separate check for left and right quotes (for convenience)
• Check for invalid UTF8 values
• Check for incorrect EOL
• Support J4-style language file names
• remove notice on unused argnum syntax, but keep detection of incorrect argnum syntax
• use warning for BOM followed by newline or comment
• Allow packager and packagerurl in library extensions
• Mitigate error to a note for missed optional node
• implement prefixed rules in DTD-json (to separate processing of files>file and sql>file nodes)
• rule to found missed/incorrent client attribute
• rule to found missed method="upgrade"
• Fix warning on types not supported by JED
• fix issue with processing of fileset>files in type=file extensions
• warning for template w/o positions
• support dlid attributes
• dtd-json files for file, library, and template manifests
• support optional url tag in packages
• don't warn on empty child with attributes (e.g. field nodes)
• new inspection: empty element
• change unknown children and attribute to just an info-level message
• validate domain name in both authorUrl and packagerurl
• Joomla! code style fixes
• get localized component title from sys.ini file
• unify displayed code lines
• change translation strings
• few more checks for translation keys validation
• change message type: compat for QQ, and info for empty values
• check for duplicated translation keys
• parse multiline values
• unify code lines displaying
• Add support of Bootstrap5 tooltips #2
• simplify code
• add zlib's encode/decode
• check for full function names (to avoid false-positive with base64-encoded URI)
• show line number and code in the encoding rule
• sync accept attribute with discussion on PR#90
• change tabs background to bg-light
• display uploading animation
• add processing of errors in response (timeout, server error, expired session, etc.)
• simplify processing of ajax results
• Add support of Bootstrap5 tooltips
• merge similar CSS blocks to reduce file size
• use unminified CSS in debug mode
• add missed js files
• load minified css style
• new j4-style layout
• simplify regex
• a "greedy" match (by @Llewellynvdm)
• fix comment text