+ :type 'boolean
+ :safe #'booleanp)
+(make-variable-buffer-local 'ada-indent-comment-col-0)
+
+(defcustom ada-indent-comment-gnat nil
+ "If non-nil, comments are indented to meet the GNAT comment style check.
+That is, one of:
+
+- multiple of ada-indent
+- next non-blank line
+- previous non-blank line
+
+Otherwise, they are indented as a with previous comments or code."