parsing works with path expressions

resources/Rosetta/test-all.rosetta

@@ -11,6 +11,8 @@ type TestSomeType: <"description">
 
 type TestZeroOneType extends Period:
     testZeroOneType int (1..1)
+    condition important: <"This is an important condition">
+      observationPrimitive < 0
 
 type ObservationPrimitive:
     observationPrimitive int (1..1)

resources/Rosetta/test-multiple.rosetta

@@ -0,0 +1,23 @@
+namespace test.multiple : <"Something">
+version "${version.ok}"
+
+
+type ExchangeRate:
+  from int (1..1)
+  to int (1..1)
+  
+type Obs:
+  constant number (0..1)
+  exchangeRate ExchangeRate (0..1)
+  condition: one-of
+
+func ExchangeRateFunc:
+  inputs:
+    from int (1..1)
+    to   int (1..1)
+  output:
+    observable Obs (1..1)
+  assign-output observable -> exchangeRate -> from:
+    from
+  assign-output observable -> exchangeRate -> to:
+    to