Header/footer not written for write_only worbooks
*Created originally on Bitbucket by [claudep (Claude Paroz)](https://bitbucket.org/%7B5f52a643-6935-43ec-affd-1b77d7b921c3%7D/)*
It looks like headers/footers are not written for workbooks with the write_only flag set. Is it expected (should be documented) or is it a bug/missing feature?
issue