Bug in Post Signature

[DCHA34]

Hi,
a funny thing : the smiley in my signature and in this text is created automatically by the characters "".
The real sentence is (6.10.0
How can I disable this function?

[tsvetomira.girginova]

Dear DCHA34, hello.

As a quick tip, use an interval between 8 and ) to solve it.

[DCHA34]

I put [ and ]