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This question already has an answer here:

I came across this idiom recently:


That is, a hash but no parameter number. What might be the purpose of this?

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marked as duplicate by Werner, Gonzalo Medina, egreg, clemens, Svend Tveskæg Apr 11 '14 at 20:14

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

up vote 11 down vote accepted

It grabs the content until the next brace (or group). For example:


\foo random content {until braces}


enter image description here

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