📚 Clarify c.this_doc() for needextend

[ubmarco]

c.this_doc() requires quoting if used alone.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.02%. Comparing base (4e10030) to head (3f7c7f4).
⚠️ Report is 140 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1475      +/-   ##
==========================================
+ Coverage   86.87%   89.02%   +2.14%     
==========================================
  Files          56       67      +11     
  Lines        6532     8234    +1702     
==========================================
+ Hits         5675     7330    +1655     
- Misses        857      904      +47     

Flag	Coverage Δ
pytests	89.02% <ø> (+2.14%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

[chrisjsewell]

Cool cool