Allow EDI file to have something before UNA or UNB. It can happens with files generated by the software SAGE COALA. #33

	name: "Test"

	on: [push, pull_request]
	jobs:
	pytest:
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
	os: [ubuntu-latest]
	steps:
	- uses: actions/checkout@v4
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install Dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install pytest .
	- name: Test with Pytest
	run: \|
	pytest

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