Close connection with PROTOCOL_VIOLATION on decryption failure. A previously used undefined error code is now replaced with the generic one. Note that quic-transport prescribes keeping connection intact, discarding such QUIC packets individually, in the sense that coalesced packets could be there. This is selectively handled in the next change.

if exists("b:did_indent")
    finish
endif
let b:did_indent = 1

setlocal indentexpr=

" cindent actually works for nginx' simple file structure
setlocal cindent
" Just make sure that the comments are not reset as defs would be.
setlocal cinkeys-=0#