[Error Message Improvement] improve error on badly indented choice #22354
Description
Describe the error message
daml/Rent.daml:20:3: error: parse error on input 'choice'
To reproduce
Forget to indent choice, e.g.:
template RentProposal
with
landlord : Party
tenant : Party
...
where
signatory landlord
observer tenant
choice RentProposal_Accept : ContractId Rent
controller tenant
do
create Rent with
landlord
tenant
What do you think is bad about the error message?
It's insufficient, it should point me to the fact that I got the indentation wrong if possible.