Convert many RGL modules from Latin-1 to UTF-8 to speed up compilation

Also add flags coding=utf8 to silence warnings.

lib/src/danish/MorphoDan.gf

@@ -1,4 +1,3 @@
---# -coding=latin1
 --1 A Simple Danish Resource Morphology
 --
 -- Aarne Ranta 2002
@@ -10,7 +9,7 @@
 -- We use the parameter types and word classes defined for morphology.
 
 resource MorphoDan = CommonScand, ResDan ** open Prelude, Predef in {
-
+  flags coding=utf8 ;
 oper
 
 -- type synonyms
@@ -153,9 +152,9 @@ oper
       
 
   mkTal : (x1,_,_,_,x5 : Str) -> LinDigit = 
-    \två, tolv, tjugo, andra, tyvende -> 
+    \två, tolv, tjugo, andra, tyvende -> 
     {s = table {
-           ental  => cardOrd två andra ; 
+           ental  => cardOrd två andra ; 
            ton    => cardReg tolv  ;
            tiotal => cardOrd tjugo tyvende
            }