Escaping characters in sequence diagram

[blakeembrey]

I can't find the escape character. I would have expected a backslash to work, but it didn't:

participant 127.0.0.1\:54487

[knsv]

Sorry for late response. Will look into this.

[knsv]

Fix for this issue was released in mermaid 0.5.2. Will close this now, let me know if you issues still remain.