feat(constants.lua): add typst and ojs comment symbols for code-annotations (#13856)

* feat(constants.lua): add typst and ojs comment symbols for code-annotations
* test: add comprehensive code annotation support test for all 49 languages
* chore: update the changelog to include new code-annotation languages support

---------

Co-authored-by: Christophe Dervieux <christophe.dervieux@gmail.com>

Author: mcanouil

news/changelog-1.9.md

@@ -128,3 +128,4 @@ All changes included in 1.9:
 - ([#13575](https://github.com/quarto-dev/quarto-cli/pull/13575)): Improve CPU architecture detection/reporting in macOS to allow quarto to run in virtualized environments such as OpenAI's `codex`.
 - ([#13656](https://github.com/quarto-dev/quarto-cli/issues/13656)): Fix R code cells with empty `lang: ""` option producing invalid markdown class attributes.
 - ([#13832](https://github.com/quarto-dev/quarto-cli/pull/13832)): Fix `license.text` metadata not being accessible when using an inline license (`license: "text"`), and populate it with the license name for CC licenses instead of empty string. (author: @mcanouil)
+- ([#13856](https://github.com/quarto-dev/quarto-cli/issues/13856)): Add code annotation support for Typst and Observable.js code blocks. (author: @mcanouil)

src/resources/filters/modules/constants.lua

@@ -74,63 +74,65 @@ local kCssPropertyProcessing = "css-property-processing"
 
 -- for a given language, the comment character(s)
 local kLangCommentChars = {
-  r = {"#"},
-  python = {"#"},
-  julia = {"#"},
-  scala = {"//"},
-  matlab = {"%"},
-  csharp = {"//"},
-  fsharp = {"//"},
-  c = {"/*", "*/"},
-  css = {"/*", "*/"},
-  sas = {"*", ";"},
-  powershell = {"#"},
+  apl = {"⍝"},
+  asy = {"//"},
+  awk = {"#"},
   bash = {"#"},
-  sql = {"--"},
-  mysql = {"--"},
-  psql = {"--"},
-  lua = {"--"},
-  cpp = {"//"},
+  c = {"/*", "*/"},
   cc = {"//"},
-  stan = {"#"},
-  octave = {"#"},
+  coffee = {"#"},
+  cpp = {"//"},
+  csharp = {"//"},
+  css = {"/*", "*/"},
+  d3 = {"//"},
+  dockerfile = {"#"},
+  dot = {"//"},
+  elm = {"#"},
   fortran = {"!"},
   fortran95 = {"!"},
-  awk = {"#"},
+  fsharp = {"//"},
+  gap = {"#"},
   gawk = {"#"},
-  stata = {"*"},
-  java = {"//"},
+  go = {"//"},
   groovy = {"//"},
-  sed = {"#"},
-  perl = {"#"},
-  ruby = {"#"},
-  tikz = {"%"},
+  haskell = {"--"},
+  html = {"<!--", "-->"},
+  java = {"//"},
+  javascript = {"//"},
   js = {"//"},
-  d3 = {"//"},
+  json = {"//"},
+  julia = {"#"},
+  latex = {"%"},
+  lua = {"--"},
+  markdown = {"<!--", "-->"},
+  matlab = {"%"},
+  mermaid = {"%%"},
+  mysql = {"--"},
   node = {"//"},
+  ocaml = {"(*", "*)"},
+  octave = {"#"},
+  ojs = {"//"},
+  perl = {"#"},
+  powershell = {"#"},
+  psql = {"--"},
+  python = {"#"},
+  r = {"#"},
+  ruby = {"#"},
+  rust = {"//"},
+  sas = {"*", ";"},
   sass = {"//"},
+  scala = {"//"},
   scss = {"//"},
-  coffee = {"#"},
-  go = {"//"},
-  asy = {"//"},
-  haskell = {"--"},
-  dot = {"//"},
-  mermaid = {"%%"},
-  apl = {"⍝"},
-  yaml = {"#"},
-  json = {"//"},
-  latex = {"%"},
+  sed = {"#"},
+  sql = {"--"},
+  stan = {"#"},
+  stata = {"*"},
+  swift = {"//"},
+  tikz = {"%"},
   typescript = {"//"},
-  swift = { "//" },
-  javascript = { "//"},
-  elm = { "#" },
-  vhdl = { "--"},
-  html = { "<!--", "-->"},
-  markdown = {"<!--", "-->"},
-  gap = { "#" },
-  dockerfile = { "#" },
-  ocaml = { "(*", "*)"},
-  rust = { "// "}
+  typst = {"//"},
+  vhdl = {"--"},
+  yaml = {"#"}
 }
 local kDefaultCodeAnnotationComment =  {"#"}