fix a bug with the deletion pattern

[sylvestre]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 0% with 5 lines in your changes missing coverage. Please review.
✅ Project coverage is 82.10%. Comparing base (5e9b821) to head (8613f3e).
⚠️ Report is 52 commits behind head on main.

Files with missing lines	Patch %	Lines
src/sed/processor.rs	0.00%	5 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #256      +/-   ##
==========================================
- Coverage   82.16%   82.10%   -0.07%     
==========================================
  Files          13       13              
  Lines        5444     5448       +4     
  Branches      304      304              
==========================================
  Hits         4473     4473              
- Misses        969      973       +4     
  Partials        2        2              

Flag	Coverage Δ
macos_latest	82.54% <0.00%> (-0.07%)	⬇️
ubuntu_latest	82.66% <0.00%> (-0.07%)	⬇️
windows_latest	0.00% <0.00%> (ø)

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[codspeed-hq]

Merging this PR will degrade performance by 2.46%

⚡ 1 improved benchmark
❌ 1 regressed benchmark
✅ 9 untouched benchmarks

⚠️ Please fix the performance issues or acknowledge them on CodSpeed.

Performance Changes

	Benchmark	BASE	HEAD	Efficiency
❌	number_fix	505.4 ms	518.1 ms	-2.46%
⚡	access_log_all_del	539.3 ms	508.7 ms	+6.01%

---

_{Comparing sylvestre:del (8613f3e) with main (5e9b821)}

[github-actions]

GNU sed testsuite comparison:

Test results comparison:
  Current:   TOTAL: 64 / PASSED: 13 / FAILED: 51 / SKIPPED: 0
  Reference: TOTAL: 64 / PASSED: 8 / FAILED: 56 / SKIPPED: 0

Changes from main branch:
  TOTAL: +0
  PASSED: +5
  FAILED: -5

New test failures (3):
  - execute-tests_n_3
  - madding_triplet
  - uniq_triplet

Test improvements (8):
  + append
  + delete_line
  + delete_range
  + insert
  + line_address
  + print_line
  + range_address
  + word_class

[cakebaker]

Sorry, the PR needs a rebase :|

[dspinellis]

Rather than adding and processing another flag, can we perhaps achieve the same by adjusting the IOChunk has_newline field?