visualfc · visualfc · Sep 21, 2026 · Sep 21, 2026
diff --git a/liteidex/deploy/welcome/en/changes.md b/liteidex/deploy/welcome/en/changes.md
@@ -3,6 +3,10 @@
 ## LiteIDE X Version
   LiteIDE is a simple, open source, cross-platform Go IDE.
 
+### Unreleased
+* Markdown
+    * replace CommonMark/cmark with cmark-gfm 0.29.0.gfm.13 (tables, strikethrough, task lists, autolinks, footnotes)
+
 ### 2025.5.20 Ver X38.4
 * LiteIDE
 	* support Go1.24

diff --git a/liteidex/deploy/welcome/en/website.md b/liteidex/deploy/welcome/en/website.md
@@ -7,7 +7,7 @@
 * [Support LiteIDE](https://visualfc.github.io/support/)
 
 ### LiteIDE Markdown
-* Markdown parser from [sundown](https://github.com/vmg/sundown)
+* Markdown parser from [cmark-gfm](https://github.com/github/cmark-gfm)
 * Markdown CSS files from [Mou](http://mouapp.com)
 
 ### Golang

diff --git a/liteidex/deploy/welcome/zh_CN/changes.md b/liteidex/deploy/welcome/zh_CN/changes.md
@@ -3,6 +3,10 @@
 ## LiteIDE X Version
   LiteIDE is a simple, open source, cross-platform Go IDE.
 
+### Unreleased
+* Markdown
+    * 用 cmark-gfm 0.29.0.gfm.13 替换 CommonMark/cmark（表格、删除线、任务列表、自动链接、脚注）
+
 ### 2025.5.20 Ver X38.4
 * LiteIDE
 	* support Go1.24

diff --git a/liteidex/deploy/welcome/zh_CN/website.md b/liteidex/deploy/welcome/zh_CN/website.md
@@ -7,7 +7,7 @@
 * [Support LiteIDE](http://visualfc.github.com/support)
 
 ### LiteIDE Markdown
-* Markdown parser from [sundown](https://github.com/vmg/sundown)
+* Markdown parser from [cmark-gfm](https://github.com/github/cmark-gfm)
 * Markdown CSS files from [Mou](http://mouapp.com)
 
 ### Golang

diff --git a/liteidex/src/3rdparty/cmark/COPYING b/liteidex/src/3rdparty/cmark/COPYING
diff --git a/liteidex/src/3rdparty/cmark/README.md b/liteidex/src/3rdparty/cmark/README.md
@@ -1,13 +1,18 @@
-cmark
-=====
+cmark-gfm
+=========
 
-[![Build Status]](https://travis-ci.org/commonmark/cmark)
-[![Windows Build Status]](https://ci.appveyor.com/project/jgm/cmark-0ub06)
+![Actions CI](https://github.com/github/cmark-gfm/actions/workflows/ci.yml/badge.svg)
 
-`cmark` is the C reference implementation of [CommonMark], a
-rationalized version of Markdown syntax with a [spec][the spec].
-(For the JavaScript reference implementation, see
-[commonmark.js].)
+`cmark-gfm` is an extended version of the C reference implementation of
+[CommonMark], a rationalized version of Markdown syntax with a spec.  This
+repository adds GitHub Flavored Markdown extensions to
+[the upstream implementation], as defined in [the spec].
+
+The rest of the README is preserved as-is from the upstream source.  Note that
+the library and binaries produced by this fork are suffixed with `-gfm` in
+order to distinguish them from the upstream.
+
+---
 
 It provides a shared library (`libcmark`) with functions for parsing
 CommonMark documents to an abstract syntax tree (AST), manipulating
@@ -59,8 +64,10 @@ There are also libraries that wrap `libcmark` for
 [Lua](https://github.com/jgm/cmark-lua),
 [Perl](https://metacpan.org/release/CommonMark),
 [Python](https://pypi.python.org/pypi/paka.cmark),
-[R](https://cran.r-project.org/package=commonmark) and
-[Scala](https://github.com/sparsetech/cmark-scala).
+[R](https://cran.r-project.org/package=commonmark),
+[Tcl](https://github.com/apnadkarni/tcl-cmark),
+[Scala](https://github.com/sparsetech/cmark-scala) and
+[Node.js](https://github.com/killa123/node-cmark).
 
 Installing
 ----------
@@ -187,12 +194,13 @@ Nick Wellnhofer contributed many improvements, including
 most of the C library's API and its test harness.
 
 [benchmarks]: benchmarks.md
-[the spec]: http://spec.commonmark.org
+[the spec]: https://github.github.com/gfm/
+[the upstream implementation]: https://github.com/jgm/cmark
 [CommonMark]: http://commonmark.org
 [cmake]: http://www.cmake.org/download/
 [re2c]: http://re2c.org
 [commonmark.js]: https://github.com/commonmark/commonmark.js
-[Build Status]: https://img.shields.io/travis/commonmark/cmark/master.svg?style=flat
-[Windows Build Status]: https://ci.appveyor.com/api/projects/status/h3fd91vtd1xfmp69?svg=true
+[Build Status]: https://img.shields.io/travis/github/cmark-gfm/master.svg?style=flat
+[Windows Build Status]: https://ci.appveyor.com/api/projects/status/wv7ifhqhv5itm3d5?svg=true
 [american fuzzy lop]: http://lcamtuf.coredump.cx/afl/
 [libFuzzer]: http://llvm.org/docs/LibFuzzer.html
diff --git a/liteidex/src/3rdparty/cmark/changelog.txt b/liteidex/src/3rdparty/cmark/changelog.txt
@@ -1,3 +1,105 @@
+[0.29.0.gfm.13]
+  * Normalized marker row vs. delimiter row nomenclature (#273)
+  * Exposed CMARK_NODE_FOOTNOTE_DEFINITION literal value (#336)
+  * Fix format specifier for printing a size_t (#340)
+
+[0.29.0.gfm.12]
+
+  * Fixed polynomial time complexity issues per
+  https://github.com/github/cmark-gfm/security/advisories/GHSA-w4qg-3vf7-m9x5
+  * Added CodeQL project integration (#337)
+  * Addressed const qualifier discard compiler warnings (#330, #331)
+
+[0.29.0.gfm.11]
+
+  * Improved fixes for polynomial time complexity issues per
+  https://github.com/github/cmark-gfm/security/advisories/GHSA-66g8-4hjf-77xh
+  (#323, #324)
+  * Added fuzzing target for bracketed patterns (#318)
+  * Fixed bug in list numbering introduced in
+  763587e8775350b8cb4a2aa0f4cec3685aa96e8b (#322) which caused list numbers
+  to increment by 2
+  * Fixed strict prototype clang warning (#310)
+  * Fixed regression test (#312)
+  * Added additional output formats to quadratic fuzzer (#327)
+  * Fixed buffer overflow in fuzzing harness (#326)
+
+  Note: these changes may lead to minor changes in expected output on plaintext 
+  rendering of list items. Notably, blank lines may no longer delineate the start 
+  of a list when rendering to plaintext due to changes in how the tight list status 
+  is calculated.
+
+[0.29.0.gfm.10]
+
+  * Fixed polynomial time complexity issue per
+  https://github.com/github/cmark-gfm/security/advisories/GHSA-r8vr-c48j-fcc5
+  * Fixed polynomial time complexity issues per
+  https://github.com/github/cmark-gfm/security/advisories/GHSA-66g8-4hjf-77xh
+
+  Note: these changes remove redundant bold tag nesting which may result
+  in existing rendering tests failing, e.g. rendering "____bold____" to html
+  will no longer yield "<p><strong><strong>bold</strong></strong></p>".
+
+[0.29.0.gfm.9]
+
+  * Cleanup: Use of a private header was cleaned up (#248)
+  * Cleanup: Man page was updated (#255)
+  * Cleanup: Warnings for -Wstrict-prototypes were cleaned up (#285)
+  * Cleanup: We avoid header duplication (#289)
+
+  * We now store positioning info for url_match (#201)
+  * We now expose cmark_parent_footnote_def for non-C renderers (#254)
+  * Footnote aria-label text now reference the specific footnote backref, and we include a data-footnote-backref-idx attribute so the label can be internationalized in a downstream filter (#307)
+
+[0.29.0.gfm.8]
+
+  * We restored backwards compatibility by deprecating the `cmark_init_standard_node_flags()` requirement, which is now a noop (#305)
+  * We added a quadratic complexity fuzzing target (#304)
+
+[0.29.0.gfm.7]
+
+  * Fixed a polynomial time complexity issue per
+    https://github.com/github/cmark-gfm/security/advisories/GHSA-r572-jvj2-3m8p
+  * Fixed an issue in which crafted markdown document could trigger an
+    out-of-bounds read in the validate_protocol function per
+    https://github.com/github/cmark-gfm/security/advisories/GHSA-c944-cv5f-hpvr
+  * Fixed a polynomial time complexity issue
+    https://github.com/github/cmark-gfm/security/advisories/GHSA-24f7-9frr-5h2r
+  * Fixed several polynomial time complexity issues per
+    https://github.com/github/cmark-gfm/security/advisories/GHSA-29g3-96g3-jg6c
+  * We removed an unneeded .DS_Store file (#291)
+  * We added a test for domains with underscores and fix roundtrip behavior (#292)
+  * We now use an up-to-date clang-format (#294)
+  * We made a variety of implicit integer trunctions explicit by moving to
+    size_t as our standard size integer type (#302)
+
+[0.29.0.gfm.6]
+  * Fixed polynomial time complexity DoS vulnerability in autolink extension
+
+[0.29.0.gfm.5]
+  * Added xmpp: and mailto: support to the autolink extension
+
+[0.29.0.gfm.4]
+  * Remove `source` from list of HTML blocks
+
+[0.29.0.gfm.3]
+  * Fixed heap memory corruption vulnerabiliy via integer overflow per https://github.com/github/cmark-gfm/security/advisories/GHSA-mc3g-88wq-6f4x
+
+[0.29.0.gfm.2]
+  * Fixed issues with footnote rendering when used with the autolinker (#121),
+    and when footnotes are adjacent (#139).
+  * We now allow footnotes to be referenced from inside a footnote definition,
+    we use the footnote label for the fnref href text when rendering html, and
+    we insert multiple backrefs when a footnote has been referenced multiple
+    times (#229, #230)
+  * We added new data- attributes to footnote html rendering to make them
+    easier to style (#234)
+
+[0.29.0.gfm.1]
+
+  * Fixed denial of service bug in GFM's table extension
+    per https://github.com/github/cmark-gfm/security/advisories/GHSA-7gc6-9qr5-hc85
+
 [0.29.0]
 
   * Update spec to 0.29.
@@ -122,6 +224,61 @@
   * Update the Racket wrapper (Eli Barzilay).
   * Makefile: For afl target, don't build tests.
 
+[0.28.3.gfm.20]
+
+  * Add tasklist extension implementation (Watson1978, #94).
+
+[0.28.3.gfm.19]
+
+  * Prevent out-of-bound memory access in strikethrough matcher (Xavier Décoret, #124).
+  * Limit recursion in autolink extension (Xavier Décoret, #125).
+  * Add plaintext rendering for footnotes (Xavier Décoret, #126).
+
+[0.28.3.gfm.18]
+
+  * Match strikethrough more strictly (#120).
+  * Default to safe operation (#123).
+
+[0.28.3.gfm.17]
+
+  * Allow extension to provide opaque allocation function (Nicolás Ojeda
+    Bär, #89).
+  * Upstream optimisations and fixes.
+  * Extensions can add custom XML attributes (#116).
+  * Support for GFM extensions in cmark XML to CommonMark XSLT converter
+    (Maëlle Salmon, #117).
+
+[0.28.3.gfm.16]
+
+  * Do not percent-encode tildes (~) in HTML attribute values (#110).
+  * Fix footnote references in tables (#112).
+
+[0.28.3.gfm.15]
+
+  * Escape non-strikethrough tildes (~) in commonmark output (John MacFarlane, #106).
+  * Cosmetic fix to table HTML output (John MacFarlane, #105).
+  * Use two tildes for strikethrough CommonMark output (John MacFarlane, #104).
+  * Normalised header and define names (#109).
+
+[0.28.3.gfm.14]
+
+  * Added a plaintext renderer for strikethrough nodes.
+
+[0.28.3.gfm.13]
+
+  * Footnote rendering bugfix (Michael Camilleri, #90).
+  * Debian packaging (Joachim Nilsson, #97).
+  * Add CMARK_OPT_STRIKETHROUGH_DOUBLE_TILDE for redcarpet compatibility.
+  * Add CMARK_OPT_TABLE_PREFER_STYLE_ATTRIBUTES (FUJI Goro, #86, #87).
+  * Fix pathological nested list parsing (Phil Turnbull, #95).
+  * Expose more of the extension APIs (Minghao Liu, #96).
+  * Add python example which uses extensions (Greg Stein, #102).
+  * Add CMARK_OPT_FULL_INFO_STRING (Mike Kavouras, #103).
+
+[0.28.3.gfm.12]
+
+  * Various security and bug fixes.
+
 [0.28.3]
 
   * Include GNUInstallDirs in src/CMakeLists.txt (Nick Wellnhofer, #240).
@@ -145,6 +302,40 @@
   * Update README.md, replace `make astyle` with `make format`
     (Nguyễn Thái Ngọc Duy).
 
+[0.28.0.gfm.11]
+
+  * Do not output empty `<tbody>` in table extension.
+
+[0.28.0.gfm.10]
+
+  * Fix denial of service parsing references.
+
+[0.28.0.gfm.9]
+
+  * Fix denial of service parsing nested links (#49).
+
+[0.28.0.gfm.8]
+
+  * Fix bug where autolink would cause `:` to be skipped in emphasis
+    processing.
+
+[0.28.0.gfm.7]
+
+  * Strikethrough characters do not disturb regular emphasis processing.
+
+[0.28.0.gfm.6]
+
+  * Fix inline sourcepos info when inlines span multiple lines, and in
+    ATX headings.
+
+[0.28.0.gfm.5]
+
+  * Latest spec.
+  * Fix a typo in the spec (John Gardner).
+  * Fix quadratic behavior in reference lookups.
+  * Add `core_extensions_ensure_registered`.
+  * Add sourcepos information for inlines.
+
 [0.28.0]
 
   * Update spec.
@@ -271,6 +462,34 @@
     (Pavlo Kapyshin).
   * README: Add link to cmark-scala (Tim Nieradzik, #196)
 
+[0.27.1.gfm.4]
+
+  * Fix regression with nested parentheses in link targets (#48).
+
+[0.27.1.gfm.3]
+
+  * Various undefined behavior issues fixed (#38, #39, #40).
+  * Tag filter is case-insensitive (#43).
+
+[0.27.1.gfm.2]
+
+  * Fix a number of bugs (reading past end of buffer, undefined behavior.
+  * Add `cmark_syntax_extension_get_private()`. (Jonathan Müller)
+
+[0.27.1.gfm.1]
+
+  * Add plaintext renderer.
+  * Remove normalize option; we now always normalize the AST.
+  * Add getters for table alignment.
+  * `make install` also installs the extensions static/shared library.
+
+[0.27.1.gfm.0]
+
+  * Add extensions: tagfilter, strikethrough, table, autolink.
+  * Add arena memory implementation.
+  * Add CMARK_OPT_GITHUB_PRE_LANG for fenced code blocks.
+  * Skip UTF-8 BOM on input.
+
 [0.27.1]
 
   * Set policy for CMP0063 to avoid a warning (#162).

diff --git a/liteidex/src/3rdparty/cmark/cmark-gfm_export.h b/liteidex/src/3rdparty/cmark/cmark-gfm_export.h
@@ -0,0 +1,28 @@
+#ifndef CMARK_GFM_EXPORT_H
+#define CMARK_GFM_EXPORT_H
+
+#ifdef CMARK_GFM_STATIC_DEFINE
+#  define CMARK_GFM_EXPORT
+#  define CMARK_GFM_NO_EXPORT
+#else
+#  ifndef CMARK_GFM_EXPORT
+#    define CMARK_GFM_EXPORT
+#  endif
+#  ifndef CMARK_GFM_NO_EXPORT
+#    define CMARK_GFM_NO_EXPORT
+#  endif
+#endif
+
+#ifndef CMARK_GFM_DEPRECATED
+#  define CMARK_GFM_DEPRECATED
+#endif
+
+#ifndef CMARK_GFM_DEPRECATED_EXPORT
+#  define CMARK_GFM_DEPRECATED_EXPORT CMARK_GFM_EXPORT CMARK_GFM_DEPRECATED
+#endif
+
+#ifndef CMARK_GFM_DEPRECATED_NO_EXPORT
+#  define CMARK_GFM_DEPRECATED_NO_EXPORT CMARK_GFM_NO_EXPORT CMARK_GFM_DEPRECATED
+#endif
+
+#endif /* CMARK_GFM_EXPORT_H */
diff --git a/liteidex/src/3rdparty/cmark/cmark-gfm_version.h b/liteidex/src/3rdparty/cmark/cmark-gfm_version.h
@@ -0,0 +1,7 @@
+#ifndef CMARK_GFM_VERSION_H
+#define CMARK_GFM_VERSION_H
+
+#define CMARK_GFM_VERSION ((0 << 24) | (29 << 16) | (0 << 8) | 13)
+#define CMARK_GFM_VERSION_STRING "0.29.0.gfm.13"
+
+#endif