patch 8.1.1813: ATTENTION prompt for a preview popup window
Problem: ATTENTION prompt for a preview popup window.
Solution: Close the popup window if aborting the buffer load. Avoid getting
the ATTENTION dialog.
diff --git a/src/vim.h b/src/vim.h
index 70fcf3a..1011be7 100644
--- a/src/vim.h
+++ b/src/vim.h
@@ -714,6 +714,7 @@
#define BF_DUMMY 0x80 // dummy buffer, only used internally
#define BF_PRESERVED 0x100 // ":preserve" was used
#define BF_SYN_SET 0x200 // 'syntax' option was set
+#define BF_NO_SEA 0x400 // no swap_exists_action (ATTENTION prompt)
/* Mask to check for flags that prevent normal writing */
#define BF_WRITE_MASK (BF_NOTEDITED + BF_NEW + BF_READERR)