Method initialIndent

extlibs/catch/include/catch/catch.hpp:8313–8316

		return *this;
	}
	auto initialIndent(size_t newIndent) -> Column& {
		m_initialIndent = newIndent;
		return *this;
	}

	auto width() const -> size_t { return m_width; }
	auto begin() const -> iterator { return iterator(*this); }