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/edit.pro b/src/proto/edit.pro
index 6efe537..e2ec8dc 100644
--- a/src/proto/edit.pro
+++ b/src/proto/edit.pro
@@ -4,6 +4,7 @@
void ins_redraw(int ready);
int decodeModifyOtherKeys(int c);
void edit_putchar(int c, int highlight);
+char_u *buf_prompt_text(buf_T* buf);
char_u *prompt_text(void);
int prompt_curpos_editable(void);
void edit_unputchar(void);