patch 9.0.0683: cannot specify a time for :echowindow
Problem: Cannot specify a time for :echowindow.
Solution: A count can be used to specify the display time. Add
popup_findecho().
diff --git a/src/proto/vim9cmds.pro b/src/proto/vim9cmds.pro
index 4d9e983..bd2b5c2 100644
--- a/src/proto/vim9cmds.pro
+++ b/src/proto/vim9cmds.pro
@@ -25,7 +25,7 @@
char_u *compile_eval(char_u *arg, cctx_T *cctx);
int get_defer_var_idx(cctx_T *cctx);
char_u *compile_defer(char_u *arg_start, cctx_T *cctx);
-char_u *compile_mult_expr(char_u *arg, int cmdidx, cctx_T *cctx);
+char_u *compile_mult_expr(char_u *arg, int cmdidx, long cmd_count, cctx_T *cctx);
char_u *compile_put(char_u *arg, exarg_T *eap, cctx_T *cctx);
char_u *compile_exec(char_u *line_arg, exarg_T *eap, cctx_T *cctx);
char_u *compile_script(char_u *line, cctx_T *cctx);