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-rw-r--r--src/nvim/globals.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/nvim/globals.h b/src/nvim/globals.h
index 6d1bd1de12..f08812600f 100644
--- a/src/nvim/globals.h
+++ b/src/nvim/globals.h
@@ -494,6 +494,7 @@ EXTERN int updating_screen INIT(= FALSE);
EXTERN win_T *firstwin; /* first window */
EXTERN win_T *lastwin; /* last window */
EXTERN win_T *prevwin INIT(= NULL); /* previous window */
+# define ONE_WINDOW (firstwin == lastwin)
/*
* When using this macro "break" only breaks out of the inner loop. Use "goto"
* to break out of the tabpage loop.