Issue#1512: Added docs for new rule to enforce alignment of assignment operators within variable declarations.

Author: JHertz5

docs/configuring_keyword_alignment_rules.rst

@@ -992,3 +992,4 @@ Rules Enforcing Keyword Alignment
 * `subprogram_body_400 <subprogram_body_rules.html#subprogram-body-400>`_
 * `subprogram_body_401 <subprogram_body_rules.html#subprogram-body-401>`_
 * `type_400 <type_rules.html#type-400>`_
+* `variable_400 <variable_rules.html#variable-400>`_

docs/rule_groups/alignment_rule_group.rst

@@ -79,6 +79,7 @@ Rules Enforcing Alignment Rule Group
 * `subprogram_body_401 <../subprogram_body_rules.html#subprogram-body-401>`_
 * `type_400 <../type_rules.html#type-400>`_
 * `variable_400 <../variable_rules.html#variable-400>`_
+* `variable_401 <../variable_rules.html#variable-401>`_
 * `variable_assignment_004 <../variable_assignment_rules.html#variable-assignment-004>`_
 * `variable_assignment_400 <../variable_assignment_rules.html#variable-assignment-400>`_
 * `variable_assignment_401 <../variable_assignment_rules.html#variable-assignment-401>`_

docs/variable_rules.rst

@@ -418,6 +418,35 @@ This rule checks alignment of multiline constraints in variable declarations.
        element2(3 downto 0)
      );
 
+variable_401
+############
+
+|phase_5| |error| |alignment|
+
+This rule checks the alignment of assignment keywords in variable declarations.
+
+|configuring_keyword_alignment_rules_link|
+
+**Violation**
+
+.. code-block:: vhdl
+
+   variable v_default_values : t_address_en := (
+     c_address_control => false,
+     c_address_data => true,
+     others => false
+   );
+
+**Fix**
+
+.. code-block:: vhdl
+
+   variable v_default_values : t_address_en := (
+     c_address_control => false,
+     c_address_data    => true,
+     others            => false
+   );
+
 variable_500
 ############