fixup: must not use teco_view_save_to_file() when creating backup/recovery filesHEADmaster-fmsbw-cimaster

* It emits undo tokens which would bring internal datastructures - especially the undo stack -
  out of sync.
* We now document that teco_view_save_to_channel() will always be without undo token emission.

1 files changed, 7 insertions, 0 deletions

diff --git a/src/view.c b/src/view.c
index eeb4d3d..d5b5d14 100644
--- a/src/view.c
+++ b/src/view.c
@@ -508,6 +508,13 @@ teco_undo_remove_file_push(const gchar *filename)
 		strcpy(ctx, filename);
 }
 
+/**
+ * Save the view's document to the given IO channel.
+ *
+ * @note This must not emit undo tokens as it is also used by teco_ring_backup().
+ *
+ * @memberof teco_view_t
+ */
 gboolean
 teco_view_save_to_channel(teco_view_t *ctx, GIOChannel *channel, GError **error)
 {