From a5f8d04d34bc2c935d086c1e7a9f598279e8817f Mon Sep 17 00:00:00 2001
From: Sorin Ionescu <sorin.ionescu@gmail.com>
Date: Sat, 4 Aug 2012 15:15:28 -0400
Subject: [PATCH] Ensure that $terminfo values are valid

---
 modules/editor/init.zsh | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/modules/editor/init.zsh b/modules/editor/init.zsh
index 04a4e619..5e6295c1 100644
--- a/modules/editor/init.zsh
+++ b/modules/editor/init.zsh
@@ -134,8 +134,23 @@ function editor-info {
 }
 zle -N editor-info
 
-# Updates editor information when the keymap changes.
+# Ensures that $terminfo values are valid and updates editor information when
+# the keymap changes.
 function zle-keymap-select zle-line-init zle-line-finish {
+  # The terminal must be in application mode when ZLE is active for $terminfo
+  # values to be valid.
+  case "$0" in
+    (zle-line-init)
+      # Enable terminal application mode.
+      echoti smkx
+    ;;
+    (zle-line-finish)
+      # Disable terminal application mode.
+      echoti rmkx
+    ;;
+  esac
+
+  # Update editor information.
   zle editor-info
 }
 zle -N zle-keymap-select