updated for version 7.0023
diff --git a/src/option.h b/src/option.h
index 566a561..8ef8536 100644
--- a/src/option.h
+++ b/src/option.h
@@ -161,9 +161,10 @@
#define CPO_FILTER '!'
#define CPO_MATCH '%'
#define CPO_STAR '*' /* ":*" means ":@" */
+#define CPO_PLUS '+' /* ":write file" resets 'modified' */
#define CPO_SPECI '<' /* don't recognize <> in mappings */
#define CPO_DEFAULT "aABceFs"
-#define CPO_ALL "aAbBcCdDeEfFgiIjJkKlLmMnoOprRsStuvwWxy$!%*<"
+#define CPO_ALL "aAbBcCdDeEfFgiIjJkKlLmMnoOprRsStuvwWxy$!%*+<"
/* characters for p_ww option: */
#define WW_ALL "bshl<>[],~"