text: Sounds quite similar to the gallery between Rue des Fripiers / Rue Gretry / Rue de la Fourche. The way I solved that is just to add a note for each shop, without entering a name if it's not available, and roughly guessing the position of each shop. Then it's at least visible that there are shops in the gallery at all.
  
  Anyway I leave it to you whether to close the note or leave it open, thank you for your efforts anyway!