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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[2.3.4] - 2025-10-07

Fixed

  • 🐞 HTML to Markdown: Fixed handling of inline <code> tags and <code> tags without paragraph tags.

[2.3.3] - 2025-08-17

Fixed

  • 🐞 Markdown to HTML: Fixed handling multiline blockquotes and multiline ordered/unordered lists.

Added

[2.3.2] - 2025-08-14

Added

  • ✅ HTML to Markdown and Plain text to HTML conversion:
    • Added support for multiline lists (lists with wrapped lines).
  • ✅ Markdown and Plain text to HTML conversion:
    • Added support for multiline lists (lists with wrapped lines).
    • Added support for basic styling (bold, italic, etc.) in link descriptions (e.g., [**bold link**](url), [link *italic*](url), [link ~~strikethrough~~](url)).
  • ✅ Added: HTML to plain text conversion.
  • ✅ CLI tool mdoc.exe: Added support for:
    • Markdown to plain text conversion.
    • HTML to plain text conversion.
    • AmigaGuide to plain text conversion:
      • Converts AmigaGuide files to readable plain text format (e.g., mdoc.exe input.guide output.txt).

Fixed

  • 🐞 Plain text .txt to HTML/Markdown conversion: Fixed handling of / character.

[2.3.1] - 2025-08-10

Added

  • MD → HTML conversion: Support for indented code blocks (e.g., indented by 4 spaces or a tab).
  • Added: CLI tool mdoc.exe:
    • Plain text .txt to Markdown conversion:
    • Automatic detection of file encoding (e.g., UTF-8, ASCII) for .txt files.
      • Supports basic formatting, headings, paragraphs, lists, links, pipe tables, and code blocks.
    • Usage: Run mdoc.exe <input.txt> <output.md>

Fixed

  • 🐞 HTML → Markdown conversion: Fixed handling character \n in paragraphs, headings, and lists.

[2.3.0] - 2025-08-09

Added

  • 🆕 Smart plain text .txt to HTML conversion:
    • Converts plain text files to HTML with basic formatting.
    • Automatic detection of file encoding (e.g., UTF-8, ASCII).
    • Added support uppercase headings (e.g.,   HEADING for H1 or HEADING for H2).
    • Supports headings, paragraphs, lists, links, pipe tables, and code blocks.
    • Support for indented code blocks (e.g., indented by 4 spaces or a tab).
    • Usage: string html = ConvHtmlMarkdown.SmartTxtConvert(txt);.
  • 🆕 CLI tool mdoc.exe:
    • Added smart plain text conversion. Usage: mdoc.exe input.txt output.html
    • Added support for --encoding=<encoding> command-line option to specify the input file encoding (e.g., windows-1250, utf-8, ascii).
      • If --encoding is not specified, the default input encoding for .txt and .guide files is windows-1252. See documentation for the full list of supported encodings.

Changed

  • Improvements to performance.

Fixed

  • Markdown → HTML conversion: Handling of unclosed or mismatched Markdown tags (e.g., **, *, ~~, ==) and fixing them in the HTML output.

[2.2.2] - 2025-08-06

Added

  • ✅ Markdown → HTML conversion: Added support underlining headings (e.g., Heading\n=== for H1 or Heading\n--- for H2).
  • ✅ CLI tool mdoc.exe: Added support for --ignore-warnings command-line option to ignore warnings during conversion.

[2.2.1] - 2025-08-05

Added

  • Added parameter ignoreWarnings = false to ignore warnings during conversion (ConvMarkdownHtml.Convert and ConvGuideHtml.Convert).

[2.2.0] - 2025-08-04

Added

  • ✅ HTML → Markdown conversion:
    • Added method to close improperly closed tags (e.g., **, *, ==, ~~).
    • Added support for additional block elements (e.g., <div>).
  • ✅ AmigaGuide → HTML conversion:
    • 🚨 Added warnings for syntax issues (e.g., improperly closed tags, unknown commands).
    • Added method to close improperly closed tags (e.g., @{b}, @{i}, @{u}).
    • Added global command @VER$ for version information
    • Added global command @(c) for copyright information
    • Added attribute command @{plain} for plain text
    • Added attribute command @{"Doc" ALink "doc.guide/intro"} for document links
    • Added attribute command @{"Doc" System "<command> doc.readme"} This command executes the AmigaDOS command named in <command>.

Changed

  • AmigaGuide → HTML conversion: Improved processing commands @title, @author

[2.1.0] - 2025-08-02

Added

  • 🆕 CLI tool mdoc.exe: Added conversion support for AmigaGuide → Markdown:
    • Usage: Run mdoc.exe input.guide output.md to convert AmigaGuide files to Markdown
    • Note: Some advanced AmigaGuide features may not be fully supported; see documentation for details
  • 📂 Source code for CLI tool mdoc.exe is now available in the repository (src).

Changed

  • 🎯 AmigaGuide → HTML conversion improvements:
    • Button styles have been updated for better consistency and appearance. (Replaced input type="button" elements with a href links styled via CSS.)
      • Improved rendering of <h2>, <pre>, and <hr> elements for better compatibility with Markdown
      • Added support for the commands @rem, @remark, and @author
      • Improved parsing flow

Fixed

  • 🐞 HTML → Markdown conversion: Tags <b>, <i>, and <a href... are now correctly supported within <pre> blocks.

[2.0.3] - 2025-07-28

Changed

  • Improved Markdown → HTML conversion: Readability and formatting of the generated HTML code.

[2.0.2] - 2025-07-27

Fixed

  • Markdown → HTML conversion: TOC generation now supports documents with skipped heading levels (e.g., #, ### without an intervening ##).
  • Markdown → HTML conversion: Convert improperly started fenced code blocks (e.g., ````csharp`).

[2.0.1] - 2025-07-26

Changed

  • Improved Markdown → HTML conversion: Enhanced detection of YAML front matter:
    • Added support for meta tags: version, description, keywords, license.
    • Enhanced detection of empty front matter blocks and end-of-front-matter marker (...).
  • Improved Markdown → HTML conversion: Enhanced handling of fenced code blocks.

[2.0.0] - 2025-07-25

Added

  • 🚨 HTML → Markdown conversion: Added warnings for syntax issues (e.g., improperly closed tags, unknown HTML entities, unexpected characters inside <pre> blocks). (2025-07-25)
  • ✅ Markdown → HTML conversion: Support for subscript and superscript (e.g., H~2~O, E=mc^2^).
  • ✅ HTML → Markdown conversion support:
    • Support for subscript and superscript (e.g., <sub>, <sup>).
    • Support for front matter (YAML metadata block).
    • Support for task lists (e.g., <li><input type="checkbox" checked>Done</li>). (2025-07-24)
    • Horizontal rules (e.g., <hr>, <hr />).
    • Links and email links (e.g., <a href="https://example.com">, <a href="mailto:user@example.com">).
    • Ordered lists.
    • Preformatted text blocks (e.g., <pre>...</pre>).
    • Code blocks with language highlighting (e.g., <pre><code class="csharp">...</code></pre>).
    • Images with alt and title attributes (e.g., <img src="..." alt="..." title="...">).
    • Tables with alignment (e.g., | --- | :---: | ---: |).
    • Strikethrough text (strikethrough) and highlighted text (==highlighted==).
    • Span elements with class attributes (e.g., <span class="mark">).
    • Links (e.g., <a href="https://example.com").
  • 🆕 Initial HTML → Markdown converter
    • Supports most core HTML5 elements: headings, paragraphs, bold/italic, blockquotes, unordered lists.
    • Designed to produce clean, standardized Markdown — compatible with Markdown.ToHtml output.
    • Implements basic fallback logic and optional attribute handling.
    • Reversible conversion supported for standard Markdown-generated HTML.
  • ✅ New CLI support in mdoc.exe:
    • Example: mdoc.exe <input.html> <output.md>

Changed

  • HTML → Markdown conversion:
    • Improved handling of improperly closed paragraph tags.
    • Enhanced handling of <br> tags to ensure proper line breaks in Markdown output.
    • Enhanced handling of double space characters in paragraphs to ensure proper line breaks in Markdown output.
  • Rename class for clarity:
    • Markdown.cs to ConvMarkdownHtml.cs
    • HtmlMd.cs to ConvHtmlMarkdown.cs
    • AmigaGuide.cs to ConvGuideHtml.cs
  • Minor performance improvements, optimizations in Markdown parsing. (2025-07-21)
  • Pre-allocate space for the HTML output to reduce memory allocations during string concatenation. (2025-07-21)

[1.3.0] – 2025-07-19

Added

  • ⚠️ New warning system for malformed Markdown syntax (e.g., unclosed **, *, ==).
  • 🚨 Warrnings for XSS and phishing attempts (e.g., <script>, malformed <a href>, etc.).
    • Warnings are collected during parsing and displayed at the end of the HTML output.
    • Default visual styling for warnings via inline <div> styling (visible even without external CSS).

Fixed

  • Resolved issue where an unclosed block at the end of a Markdown file could lead to improperly terminated HTML output.
  • 🐞 Resolved issue with basic styling across multiline paragraphs (e.g., **bold** or *italic* spanning multiple lines).

[1.2.3] – 2025-07-18

Changed

  • TOC HTML code readability improvements (indentation).

Fixed

  • Minor issues with img tag attributes (like title and alt).
  • TOC nested ul tag rendering, and fixed incorrect rendering of inline styles within TOC entries.

[1.2.2] – 2025-07-17

Fixed

  • Rendering of inline styles within headings.
  • Special character escaping in inline paragraph text.

[1.2.1] – 2025-07-17

Added

  • 🧪 Optional: Command-line Tool (mdoc.exe) for users who want to try the converter without integrating it into a project.

[1.2.0] – 2025-07-16

Added

  • 🆕 Support for Table of Contents (TOC) generation.
    • Automatically inserts a hierarchical TOC at the [TOC] marker in the document.

[1.1.2] – 2025-07-15

Changed

  • ⚡ Improved performance (~4x) of Markdown inline parsing by optimizing autolink and email link detection.

Added

  • Support for line breaks <br> if the line ends with a backslash \, or if the line contains only a backslash \.

[1.1.1] – 2025-07-12

Added

  • Support for strikethrough text (strikethrough).
  • Support for highlighted text (==highlighted==).

Fixed

  • Resolved issue with improper handling of stacked unordered/ordered lists.

[1.1.0] – 2025-07-11

Added

  • 🆕 Detection and warning mechanism for potential XSS and phishing attempts.

[1.0.2] – 2025-07-07

Added

  • Support for plain URLs (https://example.com).
  • Autolink format (<https://example.com>).
  • Email links (user@example.com, <user@example.com>).

[1.0.1] – 2025-07-06

Added

  • Basic support for inline HTML tags within Markdown.

[1.0.0] – 2025-07-05

Added

  • Initial release.
  • Markdown to HTML conversion.
  • AmigaGuide to HTML conversion.
  • Support for headings, lists, tables, footnotes, code blocks, links, images, and raw HTML.
  • Fully standalone C# implementation with no external dependencies.