x00AD
x00AD, commonly written as U+00AD, is the soft hyphen, a Unicode formatting character. It occupies code point 00AD in the Latin-1 Supplement block. Its formal name is SOFT HYPHEN.
Its purpose is to mark a possible hyphenation point within a word. In normal text it is
Encoding and usage: In HTML, the character can be encoded as ­ or as the named entity
Compatibility and limitations: Because soft hyphens are invisible by default, they can be lost in plain text