1 files changed, 1 insertions, 0 deletions
diff --git a/vis.h b/vis.h
index f3366c7..9d6ba4d 100644
--- a/vis.h
+++ b/vis.h
@@ -32,6 +32,7 @@ typedef struct {
 	void (*vis_start)(Vis*);
 	void (*vis_quit)(Vis*);
 	void (*file_open)(Vis*, File*);
+	bool (*file_save_pre)(Vis*, File*, const char *path);
 	void (*file_save_post)(Vis*, File*, const char *path);
 	void (*file_close)(Vis*, File*);
 	void (*win_open)(Vis*, Win*);