texplain: check if config files are actually used before copying them

[tdegeus]

texplain/texplain/__init__.py

Lines 1741 to 1758 in dae4e21

	def config_files(self) -> list[str]:
	r"""
	Read configuration files in the directory of the TeX file.
	:return: List of filenames.
	.. todo::
	Check if the files are actually used or not.
	"""
	ext = [".sty", ".cls", ".bst"]
	out = []
	for e in ext:
	out += self.find_by_extension(e)
	return out