Index: generators/TableGenerator.m
==================================================================
--- generators/TableGenerator.m
+++ generators/TableGenerator.m
@@ -465,24 +465,24 @@
 
 	[file writeString:
 	    @"#ifdef __cplusplus\n"
 	    @"extern \"C\" {\n"
 	    @"#endif\n"
-	    @"extern const of_unichar_t *const\n"
+	    @"extern const of_unichar_t *const _Nonnull\n"
 	    @"    of_unicode_uppercase_table["
 	    @"OF_UNICODE_UPPERCASE_TABLE_SIZE];\n"
-	    @"extern const of_unichar_t *const\n"
+	    @"extern const of_unichar_t *const _Nonnull\n"
 	    @"    of_unicode_lowercase_table["
 	    @"OF_UNICODE_LOWERCASE_TABLE_SIZE];\n"
-	    @"extern const of_unichar_t *const\n"
+	    @"extern const of_unichar_t *const _Nonnull\n"
 	    @"    of_unicode_titlecase_table["
 	    @"OF_UNICODE_TITLECASE_TABLE_SIZE];\n"
-	    @"extern const of_unichar_t *const\n"
+	    @"extern const of_unichar_t *const _Nonnull\n"
 	    @"    of_unicode_casefolding_table["
 	    @"OF_UNICODE_CASEFOLDING_TABLE_SIZE];\n"
 	    @"#ifdef __cplusplus\n"
 	    @"}\n"
 	    @"#endif\n"];
 
 	objc_autoreleasePoolPop(pool);
 }
 @end