docs: pipeline: inputs: syslog: document empty newline frame handling

[eschabell]

• Document that empty lines are ignored when using TCP modes with newline framing

Signed-off-by: Eric D. Schabell eric@schabell.org

Summary by CodeRabbit

• Documentation
  • Clarified that Fluent Bit v5.1.3 and later skips empty lines and creates no records for them when Syslog uses TCP with newline framing.

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ℹ️ Recent review info

⚙️ Run configuration

• Configuration used: defaults
• Review profile: CHILL
• Plan: Advanced
• Run ID: 6c2bd273-3259-4b2e-91f8-e03fa8ad998b

📥 Commits

Reviewing files that changed from the base of the PR and between e586da8 and 75732b9.

📒 Files selected for processing (1)

• pipeline/inputs/syslog.md

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📝 Walkthrough

Walkthrough

The Syslog input documentation adds a note that Fluent Bit v5.1.3 or later ignores empty lines in TCP modes using newline framing and does not produce records for them.

Changes

Syslog documentation update

Layer / File(s)	Summary
Document empty-line behavior pipeline/inputs/syslog.md	The documentation describes how Fluent Bit v5.1.3 or later handles empty lines when Syslog uses TCP with newline framing.

Priority: ⬇️ Low

Estimated code review effort: 1 (Trivial) | ~3 minutes

Change: Other

Merge Risk: ⚪ Minimal · up to 75732

The version- and mode-specific note matches the implementation; no actionable merge risk remains.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely describes the documentation change for empty newline frame handling in the Syslog input pipeline.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0…
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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[eschabell]

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[eschabell]

@patrick-stephens ready for review!