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-rw-r--r--test/functional/terminal/helpers.lua3
1 files changed, 3 insertions, 0 deletions
diff --git a/test/functional/terminal/helpers.lua b/test/functional/terminal/helpers.lua
index 18f0b9e4c1..2d99a08614 100644
--- a/test/functional/terminal/helpers.lua
+++ b/test/functional/terminal/helpers.lua
@@ -1,3 +1,6 @@
+-- To test tui/input.c, this module spawns `nvim` inside :terminal and sends
+-- bytes via jobsend(). Note: the functional/helpers.lua test-session methods
+-- operate on the _host_ session, _not_ the child session.
local helpers = require('test.functional.helpers')(nil)
local Screen = require('test.functional.ui.screen')
local nvim_dir = helpers.nvim_dir