Roll call system, and update forms to method=post

[hcoop/portal.git] / util.sml

diff --git a/util.sml b/util.sml
index 801044e..9ac38d0 100644 (file)
--- a/util.sml
+++ b/util.sml
@@ -30,7 +30,7 @@ fun makeSet f items =
 fun neg (r : real) = ~r
 fun add (r1 : real, r2) = r1 + r2
 
-fun isIdent ch = Char.isLower ch orelse Char.isDigit ch
+fun isIdent ch = Char.isLower ch orelse Char.isDigit ch orelse ch = #"-"
 
 fun validHost s =
     size s > 0 andalso size s < 20 andalso List.all isIdent (String.explode s)