diff --git a/imbecile.cc b/imbecile.cc
index fe349b9..4dcc24c 100644
--- a/imbecile.cc
+++ b/imbecile.cc
@@ -6,6 +6,7 @@
 #include "refptr/refptr.h"
 #include "serialize.h"
 #include "unicode.h"
+#include "parse-input.h"
 using namespace std;
 
 int main(int argc, char * argv[])
@@ -37,12 +38,14 @@ int main(int argc, char * argv[])
         cerr << "Error opening input file: '" << argv[optind] << "'";
         return 2;
     }
-    refptr< vector<unichar_t> > ucs_str = deserialize(encoding, ifs);
-    if (ucs_str.isNull())
+    refptr< vector<unichar_t> > ucs = deserialize(encoding, ifs);
+    if (ucs.isNull())
     {
         cerr << "Error deserializing input file." << endl;
         return 1;
     }
 
+    parse_input(ucs);
+
     return 0;
 }
diff --git a/parse-input.cc b/parse-input.cc
index 3062cd0..ca4fde2 100644
--- a/parse-input.cc
+++ b/parse-input.cc
@@ -68,6 +68,9 @@ void parse_input(refptr< vector<unichar_t> > ucs)
                     case '\n':
                         SET_ERROR("Unterminated section header");
                         break;
+                    default:
+                        build_str += c;
+                        break;
                 }
                 break;
             case RULES:
diff --git a/testinput.i b/testinput.i
new file mode 100644
index 0000000..c13d963
--- /dev/null
+++ b/testinput.i
@@ -0,0 +1,11 @@
+
+[rules]
+
+ASSIGN     := ":="
+DASSIGN    := ":=="
+IDENTIFIER := "[a-zA-Z_][a-zA-Z_0-9]*"
+
+Assignment := IDENTIFIER ASSIGN Expression
+
+Expression := IDENTIFIER
+            | Assignment
diff --git a/unicode.h b/unicode.h
index 57acdf2..0d8e74e 100644
--- a/unicode.h
+++ b/unicode.h
@@ -1,5 +1,6 @@
 
 #ifndef UNICODE_H
+#define UNICODE_H
 
 #include <stdint.h>
 #include <vector>