Add semicolon to end of all grammar statements

spec/propane_spec.rb

@@ -27,10 +27,10 @@ describe Propane do
 
   it "generates a D lexer" do
     write_grammar <<EOF
-token int \\d+
-token plus \\+
-token times \\*
-drop \\s+
+token int \\d+;
+token plus \\+;
+token times \\*;
+drop \\s+;
 Start -> Foo;
 Foo -> int <<
 >>
@@ -44,10 +44,10 @@ EOF
 
   it "generates a parser" do
     write_grammar <<EOF
-token plus \\+
-token times \\*
-token zero 0
-token one 1
+token plus \\+;
+token times \\*;
+token zero 0;
+token one 1;
 Start -> E;
 E -> E times B;
 E -> E plus B;
@@ -60,7 +60,7 @@ EOF
 
   it "generates an SLR parser" do
     write_grammar <<EOF
-token one 1
+token one 1;
 Start -> E;
 E -> one E;
 E -> one;
@@ -70,8 +70,8 @@ EOF
 
   it "distinguishes between multiple identical rules with lookahead symbol" do
     write_grammar <<EOF
-token a
-token b
+token a;
+token b;
 Start -> R1 a;
 Start -> R2 b;
 R1 -> a b;
@@ -84,9 +84,9 @@ EOF
 
   it "handles reducing a rule that could be arrived at from multiple states" do
     write_grammar <<EOF
-token a
-token b
-drop \\s+
+token a;
+token b;
+drop \\s+;
 Start -> a R1;
 Start -> b R1;
 R1 -> b;