fix(config): non-standard attributes off by default

[alandefreitas]

This changes one default. MrDocs documented compiler-specific attributes unless a project turned the option off, so the reference of a few Boost libraries, and our own, shows [[__visibility__, __exclude_from_explicit_instantiation__]] on members inherited from the standard library. Export macros and libc++ put those there for the linker, not for a reader. With the option off by default, only the standard C++ attributes appear, and a project that wants the rest turns it on. The change is small, but it is live in Boost documentation builds today, so I would like it in soon.

Changes

The default of the option is now off, and I regenerated the schema from it. Three golden fixtures test compiler-specific attributes on purpose. Each of them now turns the option on, so its output does not change. A project that wants those attributes documented has to turn the option on.

Testing

The golden fixture for the option already runs with it off, which is now the default. The three fixtures above keep the opt-in path under test.

Documentation

I updated the option description in the configuration reference. No other page mentions the default.

[github-actions]

✨ Highlights

• 🧪 Existing golden tests changed (behavior likely shifted)

🧾 Changes by Scope

Scope	Lines Δ%	Lines Δ	Lines +	Lines -	Files Δ	Files +	Files ~	Files ↔	Files -
🛠️ Source	36%	4	2	2	1	-	1	-	-
📄 Docs	36%	4	2	2	1	-	1	-	-
🥇 Golden Tests	27%	3	3	-	3	2	1	-	-
Total	100%	11	7	4	5	2	3	-	-

Legend: Files + (added), Files ~ (modified), Files ↔ (renamed), Files - (removed)

🔝 Top Files

• docs/modules/ROOT/attachments/schemas/config/mrdocs.schema.json (Docs): 4 lines Δ (+2 / -2)
• src/mrdocs/ConfigOptions.json (Source): 4 lines Δ (+2 / -2)
• tests/golden/fixtures/generator/hbs/attributes/mrdocs.yml (Golden Tests): 1 lines Δ (+1 / -0)

Generated by 🚫 dangerJS against ed6d72a

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 83.12%. Comparing base (917352d) to head (ed6d72a).

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #1336   +/-   ##
========================================
  Coverage    83.12%   83.12%           
========================================
  Files           35       35           
  Lines         3662     3662           
  Branches       844      844           
========================================
  Hits          3044     3044           
  Misses         410      410           
  Partials       208      208           

Flag	Coverage Δ
bootstrap	83.12% <ø> (ø)

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[cppalliance-bot]

An automated preview of the documentation is available at https://1336.mrdocs.prtest2.cppalliance.org/index.html

If more commits are pushed to the pull request, the docs will rebuild at the same URL.

2026-10-06 17:08:13 UTC