Why is this an issue?
For better readability, do not put more than one statement on a single line.
Noncompliant code example
SET SERVEROUTPUT ON
BEGIN
DBMS_OUTPUT.PUT_LINE('Hello!'); DBMS_OUTPUT.PUT_LINE('This is unreadable!'); -- Noncompliant
END;
/
Compliant solution
SET SERVEROUTPUT ON
BEGIN
DBMS_OUTPUT.PUT_LINE('Hello!');
DBMS_OUTPUT.PUT_LINE('This is much better!');
END;
/