docs: escape generic type parameters in macro doc comments

[jdx]

Summary

Wrap Vec<String> and Vec<char> in backticks to prevent them from being interpreted as unclosed HTML tags in rustdoc.

Fixes doc comments for:

• defaults! macro
• shorts! macro
• longs! macro
• aliases! macro

🤖 Generated with Claude Code

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Note

Minor rustdoc formatting fix.

• Escapes Vec<String> and Vec<char> in doc comments for defaults!, shorts!, longs!, and aliases! macros to avoid HTML tag interpretation
• No functional or API changes

^{Written by Cursor Bugbot for commit 5b009b5. This will update automatically on new commits. Configure here.}

[Copilot]

Pull request overview

This PR fixes rustdoc rendering issues by wrapping generic type parameters in backticks to prevent them from being misinterpreted as HTML tags.

Changes:

• Escaped Vec<String> and Vec<char> type parameters in macro documentation comments

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 47.66%. Comparing base (949e3a5) to head (5b009b5).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #453   +/-   ##
=======================================
  Coverage   47.66%   47.66%           
=======================================
  Files          47       47           
  Lines        6928     6928           
  Branches     6928     6928           
=======================================
  Hits         3302     3302           
  Misses       1780     1780           
  Partials     1846     1846           

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