From 4f6b6ed208a15552f0eb7f27b7ca945f59f22c1d Mon Sep 17 00:00:00 2001
From: Bram Moolenaar <Bram@vim.org>
Date: Thu, 29 Oct 2020 20:24:34 +0100
Subject: patch 8.2.1923: Vim9: "filter" command modifier doesn't work

Problem:    Vim9: "filter" command modifier doesn't work.
Solution:   Check for space on char before argument. (closes #7216,
            closes #7222)
---
 src/testdir/test_vim9_cmd.vim | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'src/testdir/test_vim9_cmd.vim')

diff --git a/src/testdir/test_vim9_cmd.vim b/src/testdir/test_vim9_cmd.vim
index 710cd2f8dc..61c47b85f9 100644
--- a/src/testdir/test_vim9_cmd.vim
+++ b/src/testdir/test_vim9_cmd.vim
@@ -312,6 +312,18 @@ def Test_filter_is_not_modifier()
   assert_equal([#{x: 3, y: 4}], tags)
 enddef
 
+def Test_filter_is_recognized()
+  var lines =<< trim END
+    final expected = "\nType Name Content\n  c  \"c   piyo"
+    @a = 'hoge'
+    @b = 'fuga'
+    @c = 'piyo'
+
+    assert_equal(execute('filter /piyo/ registers abc'), expected)
+  END
+  CheckDefAndScriptSuccess(lines)
+enddef
+
 def Test_eval_command()
   var from = 3
   var to = 5
-- 
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