So the test was wrong :-)

spec/shortcodes_spec.cr

@@ -36,7 +36,17 @@ describe "Shortcodes" do
     input[result.errors[0].position, 3].should eq ">}}"
   end
 
-  it "foo should accept mismatched brackets in qvals" do
+  it "should accept mismatched brackets inside data are ok" do
+    input = "foobar {{% sc %}} >}}blah {{% /sc %}} "
+    result = parse(input)
+    result.shortcodes.size.should eq 1
+    result.errors.size.should eq 0
+    result.shortcodes[0].whole.should eq "{{% sc %}} >}}blah {{% /sc %}}"
+    result.shortcodes[0].data.should eq " >}}blah "
+    result.shortcodes[0].args.size.should eq 0
+  end
+
+  it "should accept mismatched brackets in qvals" do
     input = "foobar {{% sc  \">}}blah\" %}} {{% /sc %}}"
     result = parse(input)
     result.shortcodes.size.should eq 1
@@ -46,18 +56,6 @@ describe "Shortcodes" do
     result.shortcodes[0].args[0].@value.should eq ">}}blah"
   end
 
-  it "foo should accept mismatched brackets inside data are ok" do
-    input = "foobar {{% sc %}} >}}blah {{% /sc %}} "
-    result = parse(input)
-    result.shortcodes.size.should eq 1
-    result.errors.size.should eq 0
-    result.shortcodes[0].whole.should eq "{{% sc %}} >}}blah {{% /sc %}}"
-    result.shortcodes[0].data.should eq " >}}blah "
-    result.shortcodes[0].args.size.should eq 1
-    result.shortcodes[0].args[0].@value.should eq ">}}blah"
-  end
-
-
   it "should consider spaces in shortcodes optional" do
     input = "foobar {{%    shortcode%}}blah"
     result = parse(input)