Wow tables !

Aa bB d e
a1 b1 d123_45-67 Dd_1 /c/a@x.z
a22 b222 d… /c/b@lem…

Edits after rtxn’s comment :

- -
exactley one header row, always.
last line
code used for the above table  
|     |     |  
|-|  -   |  
|     |     |  
|-|   -  |  
exactley one header row, always.  
last line