runtime(doc): mention conversion rules for remote_expr()

fixes: #15844

Signed-off-by: Christian Brabandt <cb@256bit.org>

diff --git a/runtime/doc/builtin.txt b/runtime/doc/builtin.txt
index 44e9ee01967a0c65e962bc54dce38c461a1cb280..15de27db5799107aa314a0d6e293b19f19ed8ec3 100644 (file)
--- a/runtime/doc/builtin.txt
+++ b/runtime/doc/builtin.txt
@@ -1,4 +1,4 @@
-*builtin.txt*  For Vim version 9.1.  Last change: 2024 Oct 09
+*builtin.txt*  For Vim version 9.1.  Last change: 2024 Oct 12
 
 
                  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -8529,10 +8529,10 @@ remote_expr({server}, {string} [, {idvar} [, {timeout}]])
                string, also see |{server}|.
 
                The string is sent as an expression and the result is returned
-               after evaluation.  The result must be a String or a |List|.  A
-               |List| is turned into a String by joining the items with a
-               line break in between (not at the end), like with join(expr,
-               "\n").
+               after evaluation.  The result must be a String or a |List|
+               other types will be converted to String.  A |List| is turned
+               into a String by joining the items with a line break in
+               between (not at the end), like with join(expr, "\n").
 
                If {idvar} is present and not empty, it is taken as the name
                of a variable and a {serverid} for later use with