If a mourner is in synagogue on Shabbat afternoon when Purim begins, how should they proceed?

PurimMourning Laws

Synopsis

A mourner remaining in synagogue on Shabbat afternoon when Purim begins must stay until evening prayers and hear Megillah reading; the following day they should not leave their home.

Early Acharonim
Lenient
Strict
Lesser cited
Major authority

Discussion

Discussion coming soon.

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