updated for version 7.0026
diff --git a/src/vim.h b/src/vim.h
index f8ee4e2..8637448 100644
--- a/src/vim.h
+++ b/src/vim.h
@@ -604,6 +604,7 @@
#define BF_NEW 0x10 /* file didn't exist when editing started */
#define BF_NEW_W 0x20 /* Warned for BF_NEW and file created */
#define BF_READERR 0x40 /* got errors while reading the file */
+#define BF_DUMMY 0x80 /* dummy buffer, only used internally */
/* Mask to check for flags that prevent normal writing */
#define BF_WRITE_MASK (BF_NOTEDITED + BF_NEW + BF_READERR)