Intoxicating stuff that such misspellings lie behind carriage return (7)
I believe the answer is:
bacchus
'lie behind carriage return' is the definition.
Although both the answer and definition are singular nouns, I don't see how one could define the other.
'intoxicating stuff that such misspellings' is the wordplay.
I cannot quite see how this works, but
an anagram of 'such' is 'chus' which is located in the answer.
The remaining letters 'bac' is a valid word which might be clued in a way I don't see.
This explanation may well be incorrect...
Can you help me to learn more?
(Other definitions for bacchus that I've seen before include "Divinity" , "Greek god of wine, also called Dionysus" , "Greek god of booze" , "Greek god of boozing" , "Greek god of drink, also called Dionysus" .)