patch 8.1.1049: when user tries to exit with CTRL-C message is confusing commit https://github.com/vim/vim/commit/a84a3dd6635fcd2e07f510cba6a999585dcc381a Author: Bram Moolenaar <Bram@vim.org> Date: Mon Mar 25 22:21:24 2019 +0100 patch 8.1.1049: when user tries to exit with CTRL-C message is confusing Problem: When user tries to exit with CTRL-C message is confusing. Solution: Only mention ":qa!" when there is a changed buffer. (closes https://github.com/vim/vim/issues/4163)

--- a/src/undo.c
+++ b/src/undo.c
@@ -3531,6 +3531,19 @@ bufIsChanged(buf_T *buf)
 }
 
 /*
+ * Return TRUE if any buffer has changes.  Also buffers that are not written.
+ */
+    int
+anyBufIsChanged(void)
+{
+    buf_T *buf;
+
+    FOR_ALL_BUFFERS(buf)
+	if (bufIsChanged(buf))
+	    return TRUE;
+}
+
+/*
  * Like bufIsChanged() but ignoring a terminal window.
  */
     int