U+E002E "󠀮" Tag Full Stop Unicode Character

U+E002E "󠀮" Tag Full Stop is a special invisible formatting character used exclusively within the Tags block of the Unicode standard, designed for plain text language tagging and not intended for ordinary text display or punctuation. It resembles the standard full stop but functions as a control character, specifically as part of a sequence of tag characters that can be combined with a terminating Cancel Tag (U+E007F) to label text segments with language or other metadata. This character is typically not rendered visibly by text processing systems and is mainly utilized in specialized applications like historical script analysis or interoperability with legacy encoding systems, where it helps denote a boundary or stop within invisible tag sequences.