patch 8.0.0860: side effects when channel appends to a buffer
Problem: There may be side effects when a channel appends to a buffer that
is not the current buffer.
Solution: Properly switch to another buffer before appending. (Yasuhiro
Matsumoto, closes #1926, closes #1937)
diff --git a/src/proto/buffer.pro b/src/proto/buffer.pro
index a671075..d70981d 100644
--- a/src/proto/buffer.pro
+++ b/src/proto/buffer.pro
@@ -61,6 +61,8 @@
int bt_dontwrite_msg(buf_T *buf);
int buf_hide(buf_T *buf);
char_u *buf_spname(buf_T *buf);
+void switch_to_win_for_buf(buf_T *buf, win_T **save_curwinp, tabpage_T **save_curtabp, bufref_T *save_curbuf);
+void restore_win_for_buf(win_T *save_curwin, tabpage_T *save_curtab, bufref_T *save_curbuf);
int find_win_for_buf(buf_T *buf, win_T **wp, tabpage_T **tp);
void buf_addsign(buf_T *buf, int id, linenr_T lnum, int typenr);
linenr_T buf_change_sign_type(buf_T *buf, int markId, int typenr);