This repo patches diagnostic-window.nvim to remove the header.
Note that I have no idea how to code in Lua, so use at your own risk! As the wonderful license states:
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Clone the repository using your favorite plugin manager, including MunifTanjim/nui.vim. For example, with packer:
use {
"cseickel/diagnostic-window.nvim",
requires = { "MunifTanjim/nui.nvim" }
}
Then open the window with this command:
:DiagWindowShow
MIT
Please do!