Patch to add failing partial identifier test.

add_failing_partial_identifier_test.patch

diff --git a/spec/unit/language/version1/syntax/v1_syntax_spec.rb b/spec/unit/language/version1/syntax/v1_syntax_spec.rb
index 513d716..ad590c1 100644
--- a/spec/unit/language/version1/syntax/v1_syntax_spec.rb
+++ b/spec/unit/language/version1/syntax/v1_syntax_spec.rb
@@ -33,4 +33,18 @@ describe 'parsing' do
       end
     end
   end
+
+  context 'partial' do
+    context 'identifiers' do
+      subject(:parser) { parsers::Common::Identifier }
+
+      it 'results in an incomplete identifier with partial value' do
+        output = parse_ast(parser, random_partial_identifier)
+        expect(output).to be_a(ast::Identifier)
+        expect(output).to respond_to(:complete)
+        expect(output.complete).to be(false)
+        expect(output.string_literal).to match(/[A-Za-z0-9_]+/)
+      end
+    end
+  end
 end
diff --git a/spec/unit/spec_helper.rb b/spec/unit/spec_helper.rb
index 4273953..e2cd705 100644
--- a/spec/unit/spec_helper.rb
+++ b/spec/unit/spec_helper.rb
@@ -13,6 +13,14 @@ def random_identifier
   Rantly { sized(range(1, 50)) { string(/[A-Za-z0-9_]/) } }
 end
 
+def random_partial_identifier
+  Rantly do
+    identifier   = random_identifier
+    invalid_char = sized(1) { string(/[^0-9A-za-z_]/) }
+    identifier.insert(range(0, identifier.length - 1), invalid_char)
+  end
+end
+
 def random_string(quoted = true)
   Rantly do
     value = sized(range(1, 50)) { string(:graph) }