Add the inverse string (superscript -1) to the module.

diff --git a/src/utils/pretty.ml b/src/utils/pretty.ml
index 1255b7b..1927216 100644 (file)
--- a/src/utils/pretty.ml
+++ b/src/utils/pretty.ml
@@ -14,7 +14,7 @@
 (***********************************************************************)
 
 (*
-  Time-stamp: <Last modified on 2013-03-04 23:39:28 CET by Kim Nguyen>
+  Time-stamp: <Last modified on 2013-03-09 10:41:21 CET by Kim Nguyen>
 *)
 
 open Format
@@ -99,6 +99,7 @@ let vee = "∨"
 let top = "⊤"
 let bottom = "⊥"
 let dummy = "☠"
+let inverse = "⁻¹"
 let double_right_arrow = "⇒"
 let combining_overbar = "\204\133"
 let combining_underbar = "\204\178"

diff --git a/src/utils/pretty.mli b/src/utils/pretty.mli
index 42ec6cb..9064f8a 100644 (file)
--- a/src/utils/pretty.mli
+++ b/src/utils/pretty.mli
@@ -14,7 +14,7 @@
 (***********************************************************************)
 
 (*
-  Time-stamp: <Last modified on 2013-01-30 19:08:06 CET by Kim Nguyen>
+  Time-stamp: <Last modified on 2013-03-09 10:41:32 CET by Kim Nguyen>
 *)
 
 exception InvalidUtf8Codepoint of int
@@ -35,6 +35,7 @@ val vee : string
 val top : string
 val bottom : string
 val dummy : string
+val inverse : string
 val double_right_arrow : string
 val overline : string -> string
 val underline : string -> string