Upgrade pandoc to a version that supports cell ids

environment.yml

@@ -29,7 +29,7 @@ dependencies:
   - pip
   - setuptools
   - twine
-  - pandoc==2.16.2
+  - pandoc>=2.17  # Support for cell ids
   # make html in docs folder
   - sphinx
   - tox-conda

tests/test_pre_commit_5_reformat_markdown.py

@@ -27,7 +27,7 @@ def test_pre_commit_hook_sync_reformat_code_and_markdown(
     code and markdown cells.
 
     Note: the new cell ids introduced in nbformat 5.1.0 are not yet supported by all the programs that treat
-    ipynb files. Consequently we pin the version of nbformat to 5.0.8 in all the environments below (and you
+    ipynb files. Consequently, we pin the version of nbformat to 5.0.8 in all the environments below (and you
     will have to do the same on the environment in which you edit the notebooks).
     """
     pre_commit_config_yaml = f"""
@@ -38,12 +38,12 @@ def test_pre_commit_hook_sync_reformat_code_and_markdown(
   - id: jupytext
     args: [--sync, --pipe-fmt, ipynb, --pipe, 'pandoc --from ipynb --to ipynb --markdown-headings=atx', --show-changes]
     additional_dependencies:
-    - nbformat==5.0.8  # because pandoc 2.11.4 does not preserve yet the new cell ids
+    - nbformat==5.7.0
   - id: jupytext
     args: [--sync, --pipe, black, --show-changes]
     additional_dependencies:
     - black==22.3.0  # Matches black hook below
-    - nbformat==5.0.8  # for compatibility with the pandoc hook above
+    - nbformat==5.7.0
 
 - repo: https://github.com/psf/black
   rev: 22.3.0