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-rw-r--r--src/nvim/testdir/test_substitute.vim9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/nvim/testdir/test_substitute.vim b/src/nvim/testdir/test_substitute.vim
index 2a27f7a3a1..cc3bfe9f7f 100644
--- a/src/nvim/testdir/test_substitute.vim
+++ b/src/nvim/testdir/test_substitute.vim
@@ -746,3 +746,12 @@ func Test_sub_beyond_end()
call assert_equal('#', getline(1))
bwipe!
endfunc
+
+func Test_submatch_list_concatenate()
+ let pat = 'A\(.\)'
+ let Rep = {-> string([submatch(0, 1)] + [[submatch(1)]])}
+ " call substitute('A1', pat, Rep, '')->assert_equal("[['A1'], ['1']]")
+ call assert_equal(substitute('A1', pat, Rep, ''), "[['A1'], ['1']]")
+endfunc
+
+" vim: shiftwidth=2 sts=2 expandtab