correctly insert content in replace parameters

dryml/features/replace_parameters.feature

@@ -0,0 +1,21 @@
+Feature: replace parameters
+
+  Scenario: simple replace parameter
+    Given a file named "doctest_taglib.dryml" with:
+    """
+    <def tag="myp">
+      <p param="foo" />
+    </def>
+    """
+    And a file named "doctest.dryml" with:
+    """
+    <myp><foo: replace>Hello World</foo:></myp>
+    """
+    When I include the taglib "doctest_taglib"
+    When I render "doctest.dryml"
+    Then the output DOM should be:
+    """
+    Hello World
+    """
+
+

dryml/lib/dryml/template.rb

@@ -715,7 +715,7 @@ def param_proc(el)
         dryml_exception("replace attribute must not have a value", el) if repl.has_rhs?
         dryml_exception("replace parameters must not have attributes", el) if el.attributes.length > 1
 
-        replace_parameter_proc(el)
+        replace_parameter_proc(el, children_to_erb(el))
       else
         attributes = el.attributes.dup
         # Providing one of 'with' or 'field' but not the other should cancel out the other