updated for version 7.3.545
Problem: When closing a window or buffer autocommands may close it too,
causing problems for where the autocommand was invoked from.
Solution: Add the w_closing and b_closing flags. When set disallow ":q" and
":close" to prevent recursive closing.
diff --git a/src/structs.h b/src/structs.h
index 921a049..abcb704 100644
--- a/src/structs.h
+++ b/src/structs.h
@@ -1201,6 +1201,10 @@
typedef struct qf_info_S qf_info_T;
#endif
+/*
+ * These are items normally related to a buffer. But when using ":ownsyntax"
+ * a window may have its own instance.
+ */
typedef struct {
#ifdef FEAT_SYN_HL
hashtab_T b_keywtab; /* syntax keywords hash table */
@@ -1290,6 +1294,10 @@
int b_nwindows; /* nr of windows open on this buffer */
int b_flags; /* various BF_ flags */
+#ifdef FEAT_AUTOCMD
+ int b_closing; /* buffer is being closed, don't let
+ autocommands close it too. */
+#endif
/*
* b_ffname has the full path of the file (NULL for no name).
@@ -1853,6 +1861,10 @@
win_T *w_prev; /* link to previous window */
win_T *w_next; /* link to next window */
#endif
+#ifdef FEAT_AUTOCMD
+ int w_closing; /* window is being closed, don't let
+ autocommands close it too. */
+#endif
frame_T *w_frame; /* frame containing this window */