patch 8.2.1588: cannot read back the prompt of a prompt buffer
Problem: Cannot read back the prompt of a prompt buffer.
Solution: Add prompt_getprompt(). (Ben Jackson, closes #6851)
diff --git a/src/proto/channel.pro b/src/proto/channel.pro
index 56a0167..a402177 100644
--- a/src/proto/channel.pro
+++ b/src/proto/channel.pro
@@ -56,6 +56,7 @@
int job_stop(job_T *job, typval_T *argvars, char *type);
void invoke_prompt_callback(void);
int invoke_prompt_interrupt(void);
+void f_prompt_getprompt(typval_T *argvars, typval_T *rettv);
void f_prompt_setcallback(typval_T *argvars, typval_T *rettv);
void f_prompt_setinterrupt(typval_T *argvars, typval_T *rettv);
void f_prompt_setprompt(typval_T *argvars, typval_T *rettv);