Yes but they don't have to appear at the end of a post. At the end of the post they break quoting and yes the occurrence of that would be uncommon.
But as I showed in my quote above, they are not escaping even the middle of a post. Backslashes are used in ascii art and signatures and it wouldn't be rare to have them quoted.
Also I can recall Faded Myths signature had issues because he used them and they they disappeared from his signature when quoted, due to escaping I presume.
I might be wrong, but to me, all indications suggest this is very recent.
Edit: @Lifer, hmmm that quote you did is interesting but it's not actually what I originally posted. See original
here
.
05-Dec-2013 15:35:16
- Last edited on
05-Dec-2013 15:39:32
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Indecent Act