Unsupported titles/`lcub` `rcub`

Symbol

 * 10/2+3 = 5+3 = 8
 * 10/{2+3} = 10/5 = 2
 * 1)  Indicates the fractional part.
 * {3.14} = 0.14
 * Set of positive divisors of 6 = {1, 2, 3}.
 * The set of even numbers can be written as { n ∊ ℤ : ∃ k ∊ ℤ: n = 2k } .
 * 1)  Empty set.
 * Set of natural numbers between 2 and 3 = { }.
 * 1)  Delimiter for morphophonemic transcription, especially when presented as sets of phonemes rather than as single symbols for archiphonemes.
 * E.g. la{t,d}er for the conflated pronunciation of ladder and latter in American English, versus ⫽laDer⫽, ‖laDer‖ or |laDer|, where $⟨D⟩$ stands for {t, d}, though {laDer} is also seen.
 * 1)  Sets off  notation.
 * 1)  Delimiter for morphophonemic transcription, especially when presented as sets of phonemes rather than as single symbols for archiphonemes.
 * E.g. la{t,d}er for the conflated pronunciation of ladder and latter in American English, versus ⫽laDer⫽, ‖laDer‖ or |laDer|, where ⇭⇭⇭ stands for {t, d}, though {laDer} is also seen.
 * 1)  Sets off  notation.
 * 1)  Delimiter for morphophonemic transcription, especially when presented as sets of phonemes rather than as single symbols for archiphonemes.
 * E.g. la{t,d}er for the conflated pronunciation of ladder and latter in American English, versus ⫽laDer⫽, ‖laDer‖ or |laDer|, where ⇭⇭⇭ stands for {t, d}, though {laDer} is also seen.
 * 1)  Sets off  notation.
 * 1)  Delimiter for morphophonemic transcription, especially when presented as sets of phonemes rather than as single symbols for archiphonemes.
 * E.g. la{t,d}er for the conflated pronunciation of ladder and latter in American English, versus ⫽laDer⫽, ‖laDer‖ or |laDer|, where ⇭⇭⇭ stands for {t, d}, though {laDer} is also seen.
 * 1)  Sets off  notation.

Punctuation mark

 * Select your animal {goat, sheep, cow, horse} and follow me.
 * Select your animal {goat, sheep, cow, horse} and follow me.

Usage notes
In English, this symbol is called curly brackets or braces.