Bump ReverseMarkdown from 5.4.0 to 6.1.1

[dependabot]

Updated ReverseMarkdown from 5.4.0 to 6.1.1.

Release notes

Sourced from ReverseMarkdown's releases.

6.1.1

What's Changed

• fix: guard buffer trimming against capture underflow (#​432) by @​mysticmind in fix: guard buffer trimming against capture underflow (#432) mysticmind/reversemarkdown-net#433

Full Changelog: mysticmind/reversemarkdown-net@6.1.0...6.1.1

6.1.0

What's Changed

• Trim and Native AOT compatibility by @​mysticmind in Trim and Native AOT compatibility mysticmind/reversemarkdown-net#431

Full Changelog: mysticmind/reversemarkdown-net@6.0.0...6.1.0

6.0.0

v6 is a ground-up rewrite of the conversion engine. HTML is parsed with AngleSharp's HTML5-compliant parser into an intermediate Markdown DOM, which is rendered through per-flavor writers. The result is more correct, faster, leaner, and extensible - while keeping the public API source-compatible with v5.

Engine

• New AngleSharp HTML5 parser replaces HtmlAgilityPack, so malformed and real-world HTML is parsed the way browsers parse it. The HtmlAgilityPack dependency is removed.
• Markdown DOM pipeline - HTML is read into a structured, mutable document model (MarkdownDocument) and then rendered, cleanly separating parsing from output.
• Flavor-agnostic readers, flavor-aware writers - readers always build the richest applicable node; each writer decides how to render or degrade it for its target flavor.

Output flavors

Seven output flavors, selected via the single canonical Flavor enum (MarkdownFlavor):

• Default - clean, portable Markdown.
• GitHub - dedicated CommonMark-based GitHub writer; round-trip-faithful and preserves raw HTML.
• CommonMark - strict CommonMark output.
• Slack - Slack mrkdwn (single-asterisk bold, • bullets, etc.).
• Telegram - Telegram MarkdownV2 with its reserved-character escaping and fallbacks.
• MultiMarkdown - MMD constructs (verified against canonical pandoc). (new in v6)
• Pandoc - Pandoc Markdown with native spans, fenced divs, and strikeout. (new in v6)

Spec compliance

• CommonMark round-trips all 651/651 spec examples (HTML → Markdown → HTML) against canonical cmark-gfm.
• GitHub Flavored Markdown round-trips 672/672.
• MultiMarkdown and Pandoc output verified against canonical pandoc.

Extensibility

• Parse() / Render() expose the Markdown DOM directly, so you can traverse and transform the document (headings, lists, tables, links, footnotes, definition lists, math, etc.) before rendering.
• Custom readers via IMdReader + [MarkdownReader], auto-discovered from additional assemblies passed to the Converter constructor.
• Rich DOM node set including tables, definition lists, footnotes (definitions + references), fenced divs, line blocks, math, citations, bracketed spans, superscript/subscript, strikethrough, and raw HTML blocks/inlines.

HTML pre-filtering (new)

• Html.ExcludeSelectors - drop elements by CSS selector before conversion.
• Html.ElementFilters - drop elements via arbitrary predicates.

Configuration overhaul

• Options are reorganized into logical groups: Images, Links, Tables, Tags, Html, Formatting, plus the top-level Flavor.
• Flavor is the single canonical selector. SlackFlavored, TelegramMarkdownV2, and CommonMark are now obsolete aliases that read/write Flavor.
• All former flat properties remain as [Obsolete] forwarders, so existing v5 code keeps compiling (with guidance warnings).
• Notable options: base64 image handling (include / skip / save-to-file with custom filenames), lazy-load src fallback attributes, smart href handling, URI-scheme whitelist, header-column-span handling, header-less table strategy, comment removal, <pre>-as-HTML, line-start escaping, configurable line endings, bullet character, and default code-block language.

Framework support

• Targets netstandard2.0, net8.0, net9.0, net10.0.
• The netstandard2.0 target restores support for .NET Framework 4.6.1+, .NET Core 2.0+, Mono, and Unity (uses source-only Polyfill; no extra runtime dependency).

Performance
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5.5.0

What's Changed

• feat: re-support net46 and netstandard2.0 targets by @​mysticmind in feat: re-support net46 and netstandard2.0 targets mysticmind/reversemarkdown-net#429

Full Changelog: mysticmind/reversemarkdown-net@5.4.0...5.5.0

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