More additions to .rubocop.yml, minor code tweaks

.rubocop.yml

@@ -79,6 +79,11 @@ Security/MarshalLoad:
 Style/AccessorGrouping:
   Enabled: false
 
+# The assign_to_condition style looks awful, indenting loads of lines and
+# increasing the separation between variable and value being assigned to it.
+Style/ConditionalAssignment:
+  EnforcedStyle: assign_inside_condition
+
 # Check with yard instead.
 Style/Documentation:
   Enabled: false
@@ -101,6 +106,12 @@ Style/HashSyntax:
 Style/NegatedIf:
   Enabled: false
 
+# Following this just means that calls to an affected method need to know what
+# that method calls its parameters, which is ridiculous. Keep things short and
+# simple.
+Style/OptionalBooleanParameter:
+  Enabled: false
+
 # has_key? and has_value? are far more readable than key? and value?
 Style/PreferredHashMethods:
   Enabled: false
@@ -125,11 +136,13 @@ Style/SingleLineMethods:
 Style/StringLiterals:
   EnforcedStyle: double_quotes
 
-# This cop requires arrays of symbols to be written like %i[BULBASAUR IVYSAUR].
-# We don't need that nonsense. [:BULBASAUR, :IVYSAUR] is clearer and introduces
-# no additional syntax to confuse people.
+# This cop requires arrays of symbols/text to be written like %i[a b c]. We
+# don't need that nonsense. ["a", "b", "c"] is clearer and introduces no
+# additional syntax to confuse people.
 Style/SymbolArray:
   EnforcedStyle: brackets
+Style/WordArray:
+  EnforcedStyle: brackets
 
 # Patentheses around the condition in a ternary operator helps to differentiate
 # it from the true/false results.