Add tags to test definitions and add core tag to mandatory functionality

input/fsh/profiles.fsh

@@ -16,13 +16,10 @@ Profile: ShareableViewDefinition
 Title: "Shareable View Definition"
 Parent: ViewDefinition
 Description: """
-A profile for View Definitions intended to be shared between multiple systems. This requires there
-be a defined URL, name, and version. Also, each column must have specified type so consuming
-systems 
-
-Shareable View Definitions often also use the TabularViewDefinition profile, requiring
-that the view be shareable and contain only tabular values, as is common in many databases
-and analytic tools.
+A profile for View Definitions intended to be shared between multiple systems. This requires that 
+the View Definition have a defined URL and name. It also requires declaration of the FHIR version 
+that the view is intended to be executed over, and the FHIR type of each column. This ensures 
+consistent interpretation of the view across different view runner implementations.
 """
 * url 1..1
 * name 1..1
@@ -34,8 +31,8 @@ Title: "Tabular View Definition"
 Parent: ViewDefinition
 Description: """
 A profile for View Definitions where each resulting field must contain only a simple scalar value.
-This is sometimes referred to as 'CSV Mode', but applies to any system that explicitly constrains its
-views or tables to tabluar data.
+This is sometimes referred to as 'CSV Mode', but applies to any system that explicitly constrains 
+its views or tables to tabular data.
 """
 * select.column obeys no-collections
-* select.column obeys primitives-only
+* select.column obeys primitives-only

input/pagecontent/StructureDefinition-ShareableViewDefinition-notes.md

@@ -0,0 +1,30 @@
+### Required FHIRPath Expressions/Functions
+
+All View Runners claiming conformance to the Shareable View Definition profile must implement these [FHIRPath](https://hl7.org/fhirpath/)
+capabilities:
+
+-   [Literals](https://hl7.org/fhirpath/#literals) for String, Integer and Decimal
+-   [where](https://hl7.org/fhirpath/#wherecriteria-expression-collection)function
+-   [exists](https://hl7.org/fhirpath/#existscriteria-expression-boolean) function
+-   [empty](https://hl7.org/fhirpath/#empty-boolean) function
+-   [extension](https://hl7.org/fhir/R4/fhirpath.html#functions) function
+-   [ofType](https://hl7.org/fhirpath/#oftypetype-type-specifier-collection)
+    function
+-   [first](https://hl7.org/fhirpath/#first-collection) function
+-   Boolean
+    operators: [and](https://hl7.org/fhirpath/#and), [or](https://hl7.org/fhirpath/#or), [not](https://hl7.org/fhirpath/#not-boolean)
+-   Math
+    operators: [addition (+)](https://hl7.org/fhirpath/#addition), [subtraction (-)](https://hl7.org/fhirpath/#subtraction), [multiplication (\*)](https://hl7.org/fhirpath/#multiplication), [division (/)](https://hl7.org/fhirpath/#division)
+-   Comparison
+    operators: [equals (=)](https://hl7.org/fhirpath/#equals), [not equals (!=)](https://hl7.org/fhirpath/#not-equals), [greater than (>)](https://hl7.org/fhirpath/#greater-than), [less or equal (<=)](https://hl7.org/fhirpath/#less-or-equal)
+-   [Indexer expressions](https://hl7.org/fhirpath/#index-integer-collection)
+
+### Experimental FHIRPath Functions
+
+The following functions are intended for eventual inclusion in the required subset, however they are not yet a part of the normative [FHIRPath](https://hl7.org/fhirpath/) release and may still be subject to change:
+
+-   [join](https://build.fhir.org/ig/HL7/FHIRPath/#joinseparator-string-string)
+    function
+-   [lowBoundary](https://build.fhir.org/ig/HL7/FHIRPath/#lowboundaryprecision-integer-decimal--date--datetime--time)
+    and [highBoundary](https://build.fhir.org/ig/HL7/FHIRPath/#highboundaryprecision-integer-decimal--date--datetime--time)
+    functions (including on [Period](https://hl7.org/fhir/datatypes.html#Period))

input/pagecontent/StructureDefinition-ViewDefinition-intro.md

@@ -46,7 +46,7 @@ chosen tech stack. See [System Layers](index.html#system-layers) for details.
 ## Profiling
 
 ViewDefinitions may be profiled to meet specific needs. For instance,
-the [ShareableViewDefinition](StructureDefinition-ShareableViewDefinition.html)
+the [Shareable View Definition](StructureDefinition-ShareableViewDefinition.html)
 profile adds constraints for ViewDefinitions intended to be shared between
 systems. Implementers may create their own ViewDefinition profiles for further
 specialized needs.