+ "base system convention",
+
+ "Mdocdate found",
+ "Mdocdate missing",
+ "unknown architecture",
+ "operating system explicitly specified",
+ "RCS id missing",
+ "referenced manual not found",
+
+ "generic style suggestion",
+
+ "legacy man(7) date format",
+ "lower case character in document title",
+ "duplicate RCS id",
+ "typo in section name",
+ "unterminated quoted argument",
+ "useless macro",
+ "consider using OS macro",
+ "errnos out of order",
+ "duplicate errno",
+ "trailing delimiter",
+ "no blank before trailing delimiter",
+ "fill mode already enabled, skipping",
+ "fill mode already disabled, skipping",
+ "function name without markup",
+ "whitespace at end of input line",
+ "bad comment style",
+