add lang fr-CA (#14014)

* add lang fr-CA
* Add smoke-all test for fr-CA language variant (#14014)
* Add to changelog

---------

Co-authored-by: Toby Dylan Hocking <toby.dylan.hocking@usherbrooke.ca>
Co-authored-by: Christophe Dervieux <christophe.dervieux@gmail.com>

Author: 3 people

news/changelog-1.9.md

@@ -176,3 +176,4 @@ All changes included in 1.9:
 - ([#13992](https://github.com/quarto-dev/quarto-cli/issues/13992)): Fix crash when rendering div with both cross-reference ID and conditional visibility to PDF.
 - ([#13997](https://github.com/quarto-dev/quarto-cli/issues/13997)): Fix Windows dart-sass theme compilation failing when Quarto is installed in a path with spaces (e.g., `C:\Program Files\`) and the project path also contains spaces.
 - ([#13998](https://github.com/quarto-dev/quarto-cli/issues/13998)): Fix YAML validation error with CR-only line terminators (old Mac format). Documents using `\r` line endings no longer fail with "Expected YAML front matter to contain at least 2 lines".
+- ([#14012](https://github.com/quarto-dev/quarto-cli/issues/14012)): Add `fr-CA` language translation for Quebec French inclusive writing conventions, using parenthetical forms instead of middle dots for author labels. (author: @tdhock)

src/resources/language/_language-fr-CA.yml

@@ -0,0 +1,3 @@
+title-block-author-single: "Auteur(-trice)"
+title-block-author-plural: "Auteures(-trices)"
+listing-page-field-author: "Auteur(-trice)"

tests/docs/smoke-all/2026/02/11/14014.qmd

@@ -0,0 +1,15 @@
+---
+title: "French Canadian language variant"
+lang: fr-CA
+author: Jean Tremblay
+date: 2026-02-11
+format: html
+_quarto:
+  tests:
+    html:
+      ensureFileRegexMatches:
+        - ['Auteur\(-trice\)', 'Date de publication']
+        - ['Auteur·rice']
+---
+
+Content to verify `lang: fr-CA` applies regional French translations, while still using main `lang: fr` translation.