General Category - Enclosing Mark

Enclosing Mark is a character classification for symbols that visually surround or enclose another character, such as a base letter or digit, within a combined glyph. These marks are typically drawn as circles, boxes, brackets, or other shapes that fully or partially wrap around the target character, and they do not independently represent a sound or meaning. Examples include characters like the combining enclosing circle or keycap symbols, which are used in text to modify or highlight the enclosed element. In practice, these marks are non-spacing, meaning they do not advance the text cursor, and they rely on the preceding character for their visual placement.