(1) A person shall not be guilty
of contempt of court on the ground that he has published (whether by words, spoken or written, or by
signs, or by visible representations, or otherwise) any mat ter which interferes or tends to interfere with, or
obstructs or tends to obstruct, the course of justice in connection with any civil or criminal proceeding
pending at that time of publication, if at that time he had no reasonable grounds for believing th at the
proceeding was pending.