Why is this an issue?

Multiple declarations on a single line are more difficult to read. This rule checks if there is more than one declaration per code line.

How to fix it

Code examples

Noncompliant code example

architecture a of e is
  constant const1, const2 : std_logic;
begin
end;

Compliant solution

architecture a of e is
  constant const1 : std_logic;
  constant const2 : std_logic;
begin
end;