fixup! doc: be explicit (with tests!) on when we don't know amount_msat for listsendpays.

Author: rustyrussell

contrib/msggen/msggen/schema.json

@@ -21942,7 +21942,7 @@
                       "amount_msat": {
                         "type": "msat",
                         "description": [
-                          "The amount of millisatoshi we intended to send to the destination.  This can only be missing in the case of someone manually calling sendonion without the `amount_msat` parameter (which no plugin currently does)."
+                          "The amount of millisatoshi we intended to send to the destination. This can only be missing in the case of someone manually calling sendonion without the `amount_msat` parameter (which no plugin currently does)."
                         ]
                       },
                       "amount_sent_msat": {
@@ -24449,7 +24449,7 @@
                 "amount_msat": {
                   "type": "msat",
                   "description": [
-                    "The amount delivered to destination (if known).  This is not known in the case where sendonion(7) was used to manually initiate a payment without the `amount_msat` parameter."
+                    "The amount delivered to destination (if known). This is not known in the case where sendonion(7) was used to manually initiate a payment without the `amount_msat` parameter."
                   ]
                 },
                 "destination": {

doc/schemas/listpays.json

@@ -192,7 +192,7 @@
                   "amount_msat": {
                     "type": "msat",
                     "description": [
-                      "The amount of millisatoshi we intended to send to the destination.  This can only be missing in the case of someone manually calling sendonion without the `amount_msat` parameter (which no plugin currently does)."
+                      "The amount of millisatoshi we intended to send to the destination. This can only be missing in the case of someone manually calling sendonion without the `amount_msat` parameter (which no plugin currently does)."
                     ]
                   },
                   "amount_sent_msat": {

doc/schemas/listsendpays.json

@@ -144,7 +144,7 @@
             "amount_msat": {
               "type": "msat",
               "description": [
-                "The amount delivered to destination (if known).  This is not known in the case where sendonion(7) was used to manually initiate a payment without the `amount_msat` parameter."
+                "The amount delivered to destination (if known). This is not known in the case where sendonion(7) was used to manually initiate a payment without the `amount_msat` parameter."
               ]
             },
             "destination": {