While I was fishing in the dull canalThe wounded king, keeper of the holy grail, whose obscure hurt, punishment for some obscure transgression, cannot be healed, and who spends his time fishing in the river outside his castle. I always loved that last detail-- strange, resonant, inexplicable. A king who fishes.
On a winter evening round behind the gashouse
Musing upon the king my brother's wreck
And on the king my father's death before him.
Well, as one who knows better than I says, "Did any of your sources mention that the fishing is a pun (or misunderstanding of the French)? Le Roi Pecheur is the SINNER King, but with a different set of diacritical marks, it's FISHER King." Pécheur, pêcheur, what's the diff?