incr.zsh

--- incr-0.2.zsh.original  2009-07-26 01:57:53.000000000 +0900
+++ incr-0.2.zsh	2012-10-20 13:21:13.054870542 +0900
@@ -7,6 +7,7 @@
 zle -N vi-cmd-mode-incr
 zle -N vi-backward-delete-char-incr
 zle -N backward-delete-char-incr
+zle -N backward-kill-word-incr
 zle -N expand-or-complete-prefix-incr
 compinit
 
@@ -15,6 +16,7 @@
 bindkey -M viins '^?' vi-backward-delete-char-incr
 bindkey -M viins '^i' expand-or-complete-prefix-incr
 bindkey -M emacs '^h' backward-delete-char-incr
+bindkey -M emacs '^w' backward-kill-word-incr
 bindkey -M emacs '^?' backward-delete-char-incr
 bindkey -M emacs '^i' expand-or-complete-prefix-incr
 
@@ -127,6 +129,15 @@
 	fi
 }
 
+function backward-kill-word-incr
+{
+    correct-prediction
+    remove-prediction
+    if zle backward-kill-word; then
+        show-prediction
+    fi
+}
+
 function expand-or-complete-prefix-incr
 {
 	correct-prediction