Update runtime files.
diff --git a/runtime/doc/vim9.txt b/runtime/doc/vim9.txt
index a5bcb3f..385238b 100644
--- a/runtime/doc/vim9.txt
+++ b/runtime/doc/vim9.txt
@@ -1,4 +1,4 @@
-*vim9.txt* For Vim version 8.2. Last change: 2022 Feb 22
+*vim9.txt* For Vim version 8.2. Last change: 2022 Feb 23
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -229,8 +229,17 @@
< *E1058* *E1075*
When using `:function` or `:def` to specify a nested function inside a `:def`
function and no namespace was given, this nested function is local to the code
-block it is defined in. It is not possible to define a script-local function.
-It is possible to define a global function by using the "g:" prefix.
+block it is defined in. It cannot be used in `function()` with a string
+argument, pass the function reference itself: >
+ def Outer()
+ def Inner()
+ echo 'inner'
+ enddef
+ var Fok = function(Inner) # OK
+ var Fbad = function('Inner') # does not work
+
+It is not possible to define a script-local function. It is possible to
+define a global function by using the "g:" prefix.
When referring to a function and no "s:" or "g:" prefix is used, Vim will
search for the function: