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-rw-r--r--docs/source/usage/modes/global.rst7
1 files changed, 6 insertions, 1 deletions
diff --git a/docs/source/usage/modes/global.rst b/docs/source/usage/modes/global.rst
index a5526baa..f9f0b880 100644
--- a/docs/source/usage/modes/global.rst
+++ b/docs/source/usage/modes/global.rst
@@ -134,7 +134,12 @@ The following commands are available globally
.. describe:: exit
- shut down cleanly
+ Shut down cleanly.
+
+ The _prompt variable is for internal use only, it's used to control
+ prompting to close without sending, and is used by the BufferCloseCommand
+ if settings change after yielding to the UI.
+
.. _cmd.global.flush: