Page Comparison

input = "airport designator" ["airport name"] "apron name" \n
"apron portion limitation geometry" "location and extent description"  \n
("conditional for" | "closed, except for" |  "prohibited for" | "allowed for")
(["aircraft"] ["flight"] ["PPR time" ["PPR details"]]) {["aircraft"] ["flight"]} ["PPR time" ["PPR details"]]} \n
["reason"] "start time" "end time" [schedule] \n
[note].