Enforce that line endings are always stored as LF in git tree

[Copilot]

Investigation into PR #245 formatting check failure reveals no action required. Commit a0f06eff ("ran dotnet format with fixups") already resolved all formatting issues.

Findings

Original errors (commit 06c19f8e): WHITESPACE violations, not line endings

• Pattern matching: {Count:>0} → { Count: > 0 }
• Indentation and blank line spacing

Current state (commit bf2e3cb0): Passes dotnet format --verify-no-changes on both platforms

• Linux (LF): ✅
• Windows (CRLF): ✅

Why both line endings work

.editorconfig omits end_of_line setting → dotnet format accepts both LF and CRLF. Repository has mixed line endings but this doesn't cause failures.

Recommendation

Close this PR. Merge PR #245 as-is.

Adding .gitattributes for line ending normalization would improve consistency but is orthogonal to the formatting check passing.

Warning

Firewall rules blocked me from connecting to one or more addresses (expand for details)

I tried to connect to the following addresses, but was blocked by firewall rules:

• crl.godaddy.com
  • Triggering command: /usr/share/dotnet/dotnet dotnet restore /home/REDACTED/work/CSharpMath/CSharpMath/CSharpMath.slnx (dns block)
• ocsp.godaddy.com
  • Triggering command: /usr/share/dotnet/dotnet dotnet restore /home/REDACTED/work/CSharpMath/CSharpMath/CSharpMath.slnx (dns block)

If you need me to access, download, or install something from one of these locations, you can either:

• Configure Actions setup steps to set up my environment, which run before the firewall is enabled
• Add the appropriate URLs or hosts to the custom allowlist in this repository's Copilot coding agent settings (admins only)

Original prompt

This PR needs to fix the formatting check failure that is blocking PR #245 (#245).

Context

PR #245 by @hflexgrig is adding support for under annotations (\underbrace, \underbracket) with display and latex support. The latest commit is bf2e3cb0e8127661b6f9cbb2cad6be026376dd6e on the under_annotations branch in the hflexgrig/CSharpMath fork.

Task

The formatting check is failing. You need to:

1. Check out the changes from PR Under annotations #245 (branch under_annotations from fork hflexgrig/CSharpMath, commit bf2e3cb0e8127661b6f9cbb2cad6be026376dd6e)
2. Run dotnet format --exclude Typography at the repository root
3. Commit any formatting changes that are applied

Requirements

• The formatting must pass the check: dotnet format --exclude Typography --verify-no-changes --severity error --verbosity diagnostic
• The formatting rules are defined in .editorconfig in the repository root
• Make sure to use .NET 10.x (as specified in the workflow)
• Only fix formatting issues - do not change any logic or functionality
• Exclude the Typography folder from formatting as specified

Reference

The workflow that checks formatting is in .github/workflows/Format.yml and runs:

dotnet format --exclude Typography --verify-no-changes --severity error --verbosity diagnostic

This pull request was created from Copilot chat.

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[Happypig375]

@charlesroddie Approve please