Update runtime files
diff --git a/runtime/doc/vim9.txt b/runtime/doc/vim9.txt
index 1c18070..1337d4a 100644
--- a/runtime/doc/vim9.txt
+++ b/runtime/doc/vim9.txt
@@ -1,4 +1,4 @@
-*vim9.txt* For Vim version 8.2. Last change: 2020 Apr 03
+*vim9.txt* For Vim version 8.2. Last change: 2020 Apr 09
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -120,6 +120,13 @@
Variables cannot shadow previously defined variables.
Variables may shadow Ex commands, rename the variable if needed.
+Global variables must be prefixed with "g:", also at the script level.
+However, global user defined functions are used without "g:". >
+ vim9script
+ let script_local = 'text'
+ let g:global = 'value'
+ let Funcref = ThatFunction
+
Since "&opt = value" is now assigning a value to option "opt", ":&" cannot be
used to repeat a `:substitute` command.
@@ -156,6 +163,18 @@
name will only be found when the call is executed.
+Omitting function() ~
+
+A user defined function can be used as a function reference in an expression
+without `function()`. The argument types and return type will then be checked.
+The function must already have been defined. >
+
+ let Funcref = MyFunction
+
+When using `function()` the resulting type is "func", a function with any
+number of arguments and any return type. The function can be defined later.
+
+
No curly braces expansion ~
|curly-braces-names| cannot be used.
@@ -213,8 +232,7 @@
blob non-empty
list non-empty (different from JavaScript)
dictionary non-empty (different from JavaScript)
- func when not NULL
- partial when not NULL
+ func when there is a function name
special v:true
job when not NULL
channel when not NULL
@@ -301,6 +319,7 @@
job
channel
func
+ func: {type}
func({type}, ...)
func({type}, ...): {type}
@@ -318,12 +337,22 @@
A partial and function can be declared in more or less specific ways:
func any kind of function reference, no type
- checking
+ checking for arguments or return value
func: {type} any number and type of arguments with specific
return type
-func({type} ...) function with argument types, does not return
+func({type}) function with argument type, does not return
a value
-func({type} ...): {type} function with argument types and return type
+func({type}): {type} function with argument type and return type
+func(?{type}) function with type of optional argument, does
+ not return a value
+func(...{type}) function with type of variable number of
+ arguments, does not return a value
+func({type}, ?{type}, ...{type}): {type}
+ function with:
+ - type of mandatory argument
+ - type of optional argument
+ - type of variable number of arguments
+ - return type
If the return type is "void" the function does not return a value.