Package ehhline extend \hhline command with a !{...} token, which allows build line with LaTeX command. Version 1.0 (2019-05-13): first public release Version 1.1 (2020-04-04): bugfix – now |!{...}| works correctly Copyright (C) 2015-2020, Robert Ryszard Paciorek This is free software distributed under terms of The MIT License.