Update runtime files
diff --git a/runtime/doc/map.txt b/runtime/doc/map.txt
index 6b9eb57..3823a96 100644
--- a/runtime/doc/map.txt
+++ b/runtime/doc/map.txt
@@ -1,4 +1,4 @@
-*map.txt* For Vim version 8.2. Last change: 2022 Apr 03
+*map.txt* For Vim version 8.2. Last change: 2022 Apr 14
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -1324,7 +1324,8 @@
could define a mapping "<SNR>23_Add".
When defining a function in a script, "s:" can be prepended to the name to
-make it local to the script. But when a mapping is executed from outside of
+make it local to the script (in |Vim9| script functions without a prefix are
+local to the script). But when a mapping is executed from outside of
the script, it doesn't know in which script the function was defined. To
avoid this problem, use "<SID>" instead of "s:". The same translation is done
as for mappings. This makes it possible to define a call to the function in