
Miller: int literal is not valid for unset statement.
mlr: cannot parse DSL expression.
Parse error on token "`" at line 20 columnn 3.
Please check for missing semicolon.
Expected one of:
  ; { } unset filter print printn eprint eprintn dump edump tee emitf emit
  ( emitp field_name $[ braced_field_name $[[ $[[[ full_srec oosvar_name @[
  braced_oosvar_name full_oosvar all non_sigil_name arr bool float int map
  num str var + - .+ .- ! ~ string_literal regex_case_insensitive int_literal
  float_literal boolean_literal const_M_PI const_M_E panic [ ctx_IPS ctx_IFS
  ctx_IRS ctx_OPS ctx_OFS ctx_ORS ctx_OFLATSEP ctx_NF ctx_NR ctx_FNR ctx_FILENAME
  ctx_FILENUM env call begin end if while do for break continue func subr
  return

mlr: cannot parse DSL expression.
Parse error on token "x" at line 20 columnn 5.
Please check for missing semicolon.
Expected one of:
  ; { } = > >> | ( ||= ^^= &&= ??= ???= |= &= ^= <<= >>= >>>= += .= -= *=
  /= //= %= **= ? || ^^ && ?? ??? =~ !=~ == != >= < <= ^ & << >>> + - .+ .-
  . * / // % .* ./ .// ** [ [[ [[[

