--- font-ota.lua.orig	2014-04-05 14:55:53.789969704 +0200
+++ font-ota.lua	2014-04-05 14:59:32.487654509 +0200
@@ -137,7 +137,7 @@
                 last[a_state] = s_fina
             end
             first, last, n = nil, nil, 0
-            if id == math_code then
+            if id == math_code and current.subtype == 0 then
                 current = end_of_math(current)
             end
         end
@@ -423,7 +423,7 @@
             if first or last then
                 first, last = finish(first,last)
             end
-            if id == math_code then
+            if id == math_code and current.subtype == 0 then
                 current = end_of_math(current)
             end
         end