SQL Developer for VS Code

declare 
/* ISSUE: SCRIPT_OUTPUT panel shows Trimmed leading spaces on the FIRST dbms_output line only! 

 DEMO: Run script w/ commented lines. Observe the printed result is trimmed leading spaces. 
  The printed value should have leading spaces because it is smaller than the mask length. 
ILLUSTRATE: Remove either --commented statement and observe the difference. Output IS NOT trimmed.
  The printed value HAS leading spaces (as it should). 
*/ 
  mask$ varchar2(128) := '999,999,999'; 
  pad# constant integer := 25; 
  scale$ constant varchar2(25) := '1234567890123456789012345'; 
  amount integer; 
begin <<main>> 
  amount := 0;  -- or 6517238;
  sys.dbms_output.enable; 
  --sys.dbms_output.put_line(chr(10)); 
  --sys.dbms_output.put_line(scale$); 
  sys.dbms_output.put_line(LPAD(TO_CHAR(amount,mask$), pad#,' ')); 
  sys.dbms_output.put_line(LPAD(TO_CHAR(amount,mask$), pad#,'*')); 
end;