# HG changeset patch
# User Bram Moolenaar <Bram@vim.org>
# Date 1600719303 -7200
# Node ID b66a2e046c2e4c53ba71febbae205433c109b3f5
# Parent  267f3a1c5105a1b85ca70a495c195a14a52daeab
patch 8.2.1723: Vim9: Variable argument name cannot start with underscore

Commit: https://github.com/vim/vim/commit/280227270c1c54794a6d88a305fac56d4b0c92a5
Author: Bram Moolenaar <Bram@vim.org>
Date:   Mon Sep 21 22:02:49 2020 +0200

    patch 8.2.1723: Vim9: Variable argument name cannot start with underscore

    Problem:    Vim9: Variable argument name cannot start with underscore.
    Solution:   Use eval_isnamec1(). (closes https://github.com/vim/vim/issues/6988)

diff --git a/src/testdir/test_vim9_func.vim b/src/testdir/test_vim9_func.vim
--- a/src/testdir/test_vim9_func.vim
+++ b/src/testdir/test_vim9_func.vim
@@ -374,6 +374,15 @@ def Test_call_def_varargs()
 
   lines =<< trim END
       vim9script
+      def Func(..._l: list<string>)
+        echo _l
+      enddef
+      Func('a', 'b', 'c')
+  END
+  CheckScriptSuccess(lines)
+
+  lines =<< trim END
+      vim9script
       def Func(...l: list<string>)
         echo l
       enddef
diff --git a/src/userfunc.c b/src/userfunc.c
--- a/src/userfunc.c
+++ b/src/userfunc.c
@@ -211,7 +211,7 @@ get_function_args(
 	    if (argtypes != NULL)
 	    {
 		// ...name: list<type>
-		if (!ASCII_ISALPHA(*p))
+		if (!eval_isnamec1(*p))
 		{
 		    emsg(_(e_missing_name_after_dots));
 		    break;
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1723,
+/**/
     1722,
 /**/
     1721,