The criteria is usually ONCE A SHOW HAS BEEN FANSUBBED, my observation is that the mods consider it a lesser problem with comparing it to its source material .. and really there's little difference in that particular case. She simply ran farther in the novel and less far in the anime (being barefoot, etc).
I suppose in subforum threads there could be a "compare and contrast" thread but it is already pretty confusing for a lot of posters as to what can be said where
