function formatReportedCommentValue(token) {
			const valueLines = token.value.split("\n");
			const value = valueLines[0];
			const formattedValue = `${value.slice(0, 12)}...`;

			return valueLines.length === 1 && value.length <= 12
				? value
				: formattedValue;
		}
Formats value of given comment token for error message by truncating its length.
@param {Token} token comment token
@returns {string} formatted value
@private