• Support Delphi 12 Athens Win32 and Win64.

• Support Delphi 11 Alexandria Win32 and Win64.

Update libtidy to version 5.8.0 final. Main changes:

• Add support for the <slot> tag.
• Add IMG loading attribute TidyAttr_LOADING, like <img loading=“lazy” src=“…”>.
• Add SVG paint attributes: TidyAttr_FILL, TidyAttr_FILLRULE, TidyAttr_STROKE, TidyAttr_STROKEDASHARRAY, TidyAttr_STROKEDASHOFFSET, TidyAttr_STROKELINECAP, TidyAttr_STROKELINEJOIN, TidyAttr_STROKEMITERLIMIT, TidyAttr_STROKEWIDTH, TidyAttr_COLORINTERPOLATION, TidyAttr_COLORRENDERING, TidyAttr_OPACITY, TidyAttr_STROKEOPACITY, TidyAttr_FILLOPACITY.
• Add support for HTML5 extended color names.
• Warn and clean up multiple <title> elements. Also issue a warning if the <title> element is empty.
• Fix <open> tag to boolean.
• Fix percentage validation.
• Fix TidyWrapPhp wrapping multiple lines.
• Fix warning about missing </summary>.
• Fix integer overflow parsing huge HTML documents.
• Fix case-insensitive compare of html in doctype.
• Fix AV when cleaning unbalanced <![if …]> … <![endif]>.
• Fix HTML parsing memory leaks.
• Fix parsing files with the readonly attributes set.
• Fix missing bounds check decoding MacRoman.

Other changes:

• Add the TidyCloseQuotedValuesAtGt option. It instructs the parser to close a quoted value prematurely if it encounters a “>” character before or instead of the closing quote character. This can improve parsing of HTML tag attribute values which are accidentally missing a closing quote character.

• Support Delphi 10.4 Sydney Win32 and Win64.

• Add support for DATA element.
• Keep case of anchors for HTML5.

• Support Delphi 10.3 Rio Win32 and Win64.

New:

• TidyShowFilename option to show file names in error messages and warnings.

Bug Fixes:

• tidyCleanAndRepair a malformed meta tag could cause an access violation.
• COLOR attribute no longer causes a warning for LINK tags.
• Fix SCRIPT parsing in HTML5 mode.
• Allow “auto” for DIR attribute for HTML5.

New:

• tidyErrorSummary – Write error information to the current error sink.
• tidyGeneralInfo – Write markup information to the current error sink.
• tidyPlatform – The Tidy build platform.
• tidyOptionIsList – Does an option take a list of items?
• tidyOptGetPriorityAttrList – Create a new priority attributes iterator.
• tidyOptGetNextPriorityAttr – Retrieve the first / next priority attribute from an iterator.
• tidyOptGetMutedMessageList – Create a muted messages iterator.
• tidyOptGetNextMutedMessage – Retrieve the first / next muted message from an iteraor.
• tidySetEmacsFile – Set the file path to use for reports with TidyEmacs.
• tidyGetEmacsFile – Get the file path to use for reports with TidyEmacs.
• tidySetConfigCallback – Extend configuration file options.
• tidySetConfigChangeCallback – Monitor configuration changes.
• tidySetReportCallback – Use a va_lists callback to send reports.
• tidySetMessageCallback – Use a TidyMessage callback to send reports.
• tidyGetMessageDoc – Get the TidyDoc of a message.
• tidyGetMessageCode – Get the integer code of a message.
• tidyGetMessageKey – Get the text key of a message.
• tidyGetMessageLine – Get the line number a message applies to.
• tidyGetMessageColumn – Get the column a message applies to.
• tidyGetMessageLevel – Get the TidyReportLevel of the message.
• tidyGetMessageArguments – Create a new message arguments iterator.
• tidyGetNextMessageArgument – Retrieve the first / next TidyMessageArgument from an iterator.
• tidyGetArgType – Return the TidyFormatParameterType of the given message argument.
• tidyGetArgFormat – Return the format specifier of the given message argument.
• tidyGetArgValueString – Return the string value of the given message argument.
• tidyGetArgValueUInt – Return the unsigned integer value of the given message argument.
• tidyGetArgValueInt – Return the integer value of the given message argument.
• tidyGetArgValueDouble – Return the double value of the given message argument.
• tidyErrorCodeAsKey – Return the text message key from an integer message code.
• tidyErrorCodeFromKey – Return the integer message code from a text message key.
• getErrorCodeList – Create a new message code iterator.
• getNextErrorCode – Get the first / next integer error code from an error code iterator.
• tidySetLanguage – Set the Tidy output language.
• tidyGetLanguage – Get the current Tidy output language.
• tidyLocalizedStringN – Retrieve the localized string of a quantity.
• tidyLocalizedString – Retrieve the localized string for a MessageType.
• tidyDefaultString – Retrieve a MessageType string in the default localization.
• getStringKeyList – Initiate an iterator for a list of string key codes available in Tidy.
• getNextStringKey – Get the next key from a string key list iterator.
• getInstalledLanguageList – Initiate an iterator for a list of Tidy's installed languages.
• getNextInstalledLanguage – Get the next language string from the list of installed languages.
• getWindowsLanguageList – Create a new Windows ↔ POSIX locale mappings iterator.
• getNextWindowsLanguage – Get the next tidyLocaleMapItemPtr from a Windows language list iterator.
• TidyLangWindowsName – Return the Windows name from a tidyLocaleMapItem.
• TidyLangPosixName – Return the POSIX name from a tidyLocaleMapItem.

Removed:

• Delphi 4 and Delphi 5 support.
• tidyAttrIsProp – it did not know the element which is required to tell whether an attribute is proprietary.
• tidySetReportFilter2 – replaced by similar function tidySetReportCallback.
• tidySetReportFilter3 – replaced by similar function tidySetMessageCallback.
• All tidyNodeIs… functions – use tidyNodeGetId.
• All tidyAttrIs… functions – use tidyAttrGetId.

Changed:

• tidySetReportFilter.
• TidyConfigCategory elements.
• TidyDialogueDoc is deprecated: Use TidyDialogueFootnote instead.

Bug Fixes:

• Add missing TidyDoc argument to tidyFileExists.
• Fix memory leak in tidyCleanAndRepair when converting XHTML input to HTML output.
• Fix memory leaks with nested <a><div><a href=1>.

• Add TidyAttr_XMLNSXLINK attribute “xmlns:xlink” to support inline <svg>.
• If <table> is encountered when already in a <table>, close the first <table>. The previous action was to discard the second, while it is the second table that browsers will render.
• Fix space missing when opening tag at end of a line.
• Fix generating invalid UTF-8 (surrogate pairs).

• Support Delphi 10.2 Tokyo Win32 and Win64.

• Add a set of new parser options to disable detection of non-HTML tokens sometimes found in server contexts.
• Fix: Especially crafted HTML could cause the parser to enter an infinite loop.
• Fix a tidyOptParseValue access violation crash when writing a read-only option.

• Add option TidyEscapeScripts to control how DITidy escapes items that look like closing tags in scripts. Enabled by default.
• Add support for HTML5 attributes TidyAttr_CROSSORIGIN, TidyAttr_INTEGRITY, TidyAttr_AS.
• Fix wrong indentation if TidyOmitOptionalTags is enabled.
• Allow zero <li> in <ul> in HTML5.
• Do not crash tidyCleanAndRepair if no document was loaded.

• Support Delphi 10.1 Berlin Win32 and Win64.

• New tidySetReportFilter3 and TidyReportFilter3.
• New tidySetPrettyPrinterCallback and TidyPPProgress.
• Add options TidySkipNested and TidyStrictTagsAttr.
• HTML5 improvements and bug fixes.

• Support Delphi 10 Seattle Win32 and Win64.
• Add tidyAttrDiscard and tidyDiscardElement interfaces.

• Add support for Delphi XE8 Win32 and Win64.
• New tidyLibraryVersion to replace deprecated tidyReleaseDate.
• New tidySetReportFilter2 message filter using a TidyReportFilter2 callback.
• New tidyReportDoctype.
• Numerous HTML5 improvements and bug fixes.

• Support Delphi XE7 Win32 and Win64.
• Improved documentation.

• Support Delphi XE6 Win32 and Win64.

• New DITidyUtils unit with useful functions to simplify document parsing from TStream, among others.
• New example project to show how to iterate a node tree without recursion in Demos\DITidy_Traverse_Tree\DITidy_Traverse_Tree_non_recursive.dpr.

• Support Delphi XE5 Win32 and Win64.

• Support Delphi XE4 Win32 and Win64.

• Support Delphi XE3 Win32 and Win64.
• Support HTML5 tag and attribute processing.
• New options: TidyShowInfo, TidyOmitOptionalTags, TidyGDocClean, and TidyDropEmptyElems.
• Option TidyHideEndTags renamed to TidyCoerceEndTags, but still supported.
• Fix: TidyMakeClean must not merge inline scripts into <p> or <div>.
• Other bug fixes.

• Support Delphi XE2 Win64.

• Support Delphi XE2 Win32.

• Delphi XE support.

• Delphi 2010 support.
• Some minor Tidy bug fixes.

• Delphi 2009 support.
• New TidyAnchorAsName option.
• Fix backslash in a URI in with javascript, which was converted to slash.
• Fix some Word 2000 HTML parsing which could remove some content.
• Fix an AV in HTML parsing.

• Fix interface for TidyAllocator and TidyAllocatorVtbl.
• New Tidy options TidySortAttributes and TidyMergeSpans.
• New proprietary option TidyDropEmptyHeadings.
• New TidyTagIdSet type.
• New Delphi extra function tidyBufAppendStr.
• Remove “type” from definition of tmbstr = C_char_ptr; to achieve compatiblity with PAnsiChar.
• New DITidy_Analyse GUI demo.
• DITidy_Node_TreeView demo: Show node types for Start, End, and StartEnd, Reload button, Options tab sheet, auto-restore options on startup.

• First public release.