diff -r 6226261144d7 -r 720fa884656e etc/abbrevs
--- a/etc/abbrevs	Tue Dec 29 23:20:11 2015 +0100
+++ b/etc/abbrevs	Tue Dec 29 23:40:04 2015 +0100
@@ -8,3 +8,4 @@
 
 (*HOL-NSA*)
 "---->" = "\<longlonglongrightarrow>\<^sub>N\<^sub>S"
+"---->" = "\<midarrow>\<rightarrow>\<^sub>N\<^sub>S"