code: function(indent, c) {
  		var iChar = c || ">";
  		if (indent > 0) {
  			for (var i=0; i<indent; ++i) this.logPrefix+=iChar;
  		} else {
  			this.logPrefix = this.logPrefix.substr(0,this.logPrefix.length+indent*iChar.length);
  		}
  	}
docs: Log identation modification