Index: src/grammar/lexer.flex
===================================================================
--- src/grammar/lexer.flex	(revision 1516)
+++ src/grammar/lexer.flex	(working copy)
@@ -44,7 +44,7 @@
     private int assignmentDepth = 0;
     private int stateDepth = 0;
     private int codeblockDepth = 0;
-    private int[] stateStack = new int[10];
+    private int[] stateStack = new int[50];
     private int braceMode = CODEBLOCK;
     private int parenMode = -1;
     private StringBuffer codeBody = new StringBuffer(8192);