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Are Unicode Named Character Sequences guaranteed to be stable?

April 26, 2017character guaranteed named sequences STABLE Unicode

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Are Unicode Named Character Sequences guaranteed to be stable?

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Yes. Once a particular Unicode Named Character Sequence has been finally approved, it will not be removed or changed. In order to allow sufficient time for review of Named Character Sequences, a two-step process is used. First a Named Character Sequence is provisionally approved and is listed in NamedSequencesProv.txt in the Unicode Character Database. Only later, after any feedback and any required corrections, is a Named Character Sequence listed in NamedSequences.txt. Such entries are then stable.