# HG changeset patch
# User Bram Moolenaar <Bram@vim.org>
# Date 1628870404 -7200
# Node ID df3d056b46630fabec2d2d7d2742c35632c8aeb8
# Parent  096a366a921fd1945715a1498d96e4596eb66ea0
patch 8.2.3337: completing "call g:" returns entries with just "g:"

Commit: https://github.com/vim/vim/commit/069f90852f1444cac50491c10dfbd339a3f9e0c8
Author: Bram Moolenaar <Bram@vim.org>
Date:   Fri Aug 13 17:48:25 2021 +0200

    patch 8.2.3337: completing "call g:" returns entries with just "g:"

    Problem:    Completing "call g:" returns entries with just "g:". (Naohiro Ono)
    Solution:   Skip empty strings returned by get_user_func_name(). (closes https://github.com/vim/vim/issues/8753)

diff --git a/src/evalfunc.c b/src/evalfunc.c
--- a/src/evalfunc.c
+++ b/src/evalfunc.c
@@ -2304,7 +2304,7 @@ get_function_name(expand_T *xp, int idx)
     if (intidx < 0)
     {
 	name = get_user_func_name(xp, idx);
-	if (name != NULL)
+	if (name != NULL && *name != NUL)
 	{
 	    if (*name != '<' && STRNCMP("g:", xp->xp_pattern, 2) == 0)
 		return cat_prefix_varname('g', name);
diff --git a/src/testdir/test_cmdline.vim b/src/testdir/test_cmdline.vim
--- a/src/testdir/test_cmdline.vim
+++ b/src/testdir/test_cmdline.vim
@@ -657,6 +657,11 @@ func Test_cmdline_complete_user_func()
   " g: prefix also works
   call feedkeys(":echo g:Test_cmdline_complete_user_f\<Tab>\<Home>\"\<cr>", 'tx')
   call assert_match('"echo g:Test_cmdline_complete_user_func', @:)
+
+  " using g: prefix does not result in just "g:" matches from a lambda
+  let Fx = { a ->  a }
+  call feedkeys(":echo g:\<Tab>\<Home>\"\<cr>", 'tx')
+  call assert_match('"echo g:[A-Z]', @:)
 endfunc
 
 func Test_cmdline_complete_user_names()
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -756,6 +756,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3337,
+/**/
     3336,
 /**/
     3335,