最低限定

缺少部分可选变体选择符，但仍包含足够信息、可在大多数平台上正常显示为表情符号的序列。

A minimally qualified emoji is missing one or more *optional* VS-16 characters. Most modern platforms will still render these correctly, but technically they are not fully conformant to the emoji specification.

For example, in a ZWJ sequence, the VS-16 after each component emoji is sometimes optional if the base character already has default emoji presentation. Omitting it makes the sequence "minimally qualified."

In practice, the difference between fully and minimally qualified rarely affects end users, but developers should use fully qualified forms for maximum compatibility.