diff --git a/src/all/allpost.xfst b/src/all/allpost.xfst
index 6ea6dcf..32e7a90 100644
--- a/src/all/allpost.xfst
+++ b/src/all/allpost.xfst
@@ -16,6 +16,9 @@
 ! XML entities
 source all/entities.xfst
 
+! Arrows
+define Arrows [Alldash ">" | "<" Alldash];
+
 ! Technical protocols
 source all/protocols.xfst
 
diff --git a/src/all/allpref.xfst b/src/all/allpref.xfst
index bb5183f..7175d0b 100644
--- a/src/all/allpref.xfst
+++ b/src/all/allpref.xfst
@@ -58,6 +58,7 @@
 
 define Emdash [%- %- (%-)+ | ["\u2014"|"\u2015"|"\u2e3a"|"\u2e3b"|"\ufe58"]+];
 define Dash ["-"|"\u2011"|"\u2012"|"\u2013"|"\u2e1a"|"\ufe63"|"\uff0d"];
+define Alldash ["-"|"\u2011"|"\u2012"|"\u2013"|"\u2e1a"|"\ufe63"|"\uff0d"|"\u2014"|"\u2015"|"\u2e3a"|"\u2e3b"|"\ufe58"];
 define Slash ["⁄"|"∕"|"／"|"/"];
 define Asterisk ["*"];