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/runtime/doc/usr_41.txt b/runtime/doc/usr_41.txt
index ff223e6..b11f013 100644
--- a/runtime/doc/usr_41.txt
+++ b/runtime/doc/usr_41.txt
@@ -1118,6 +1118,7 @@
settagstack() modify the tag stack of a window
Prompt Buffer: *promptbuffer-functions*
+ prompt_getprompt() get the effective prompt text for a buffer
prompt_setcallback() set prompt callback for a buffer
prompt_setinterrupt() set interrupt callback for a buffer
prompt_setprompt() set the prompt text for a buffer