Latvian language improvements

dictsource/lv_rules

 
 .group a
            a               a
-           a (a            a_!
+           a (A            a_|
            ai              ai
            aie             a_!ie    // a-ie is more frequent than ai-e
            au              au
         t) ē (L90              e:
         t) ē (mL04_            e:    // ..tēma
         t) ērē                 e:Re:
+        t) ē (tL02_            e:
         t) ē (zL05_            e:    // ..tēze
         v) ē (L90L02_          e:    // vēzis
        _v) ē (l_               e:    // vēl
 
 .group i
            i               i
-           i (A            i_!
+           i (A            i_|
            ie              ie
         _) i (kkat         %i       // ikkatrs
         _) i (kkuL82       %i       // ikkurš
 .group u
            u               u
            ui              ui
-           u (u            u_!
-     L41J) uo              u_!o
+           u (u            u_|
+     L41J) uo              u_|o
            uo              uo
 .group ū
            ū               u:

phsource/ph_latvian

 phoneme y   // English y, short Latgalian "hard i"
   vwl starttype #i endtype #i
   length 120
-  FMT(vowel/y_2)
+  FMT(vwl_lv/y)
 endphoneme
 
 phoneme y:   // Long Latgalian "hard i"
   vwl starttype #i endtype #i
   length 300
-  FMT(vowel/y_2)
+  FMT(vwl_lv/yy)
 endphoneme
 
 phoneme o