remove redundancy from subset documentation pages

.github/workflows/test_pages_build.yaml

@@ -29,7 +29,7 @@ jobs:
           version: 1.3.2
 
       - name: Install dependencies
-        run: poetry install --with docs --all-extras
+        run: poetry install -E docs
 
       - name: Build documentation
         run: |

src/doc-templates/subset.md.jinja2

@@ -20,13 +20,13 @@ URI: {{ gen.link(element) }}
 {% set enums_in_subset = [] %}
 
 {# Collect classes, slots, and enumerations in subset #}
-{% for c in gen.all_class_objects() %}
+{% for c in gen.all_class_objects()|sort(attribute=sort_by) %}
     {%- if element.name in c.in_subset %}
         {% set _ = classes_in_subset.append(c) %}
     {%- endif %}
 {% endfor %}
 
-{% for s in gen.all_slot_objects() %}
+{% for s in gen.all_slot_objects()|sort(attribute=sort_by) %}
     {%- if element.name in s.in_subset %}
         {% set _ = slots_in_subset.append(s) %}
     {%- endif %}
@@ -43,31 +43,31 @@ URI: {{ gen.link(element) }}
 
 | Class | Description |
 | --- | --- |
-{% for c in gen.all_class_objects()|sort(attribute=sort_by) -%}
+{% for c in classes_in_subset -%}
 {%- if element.name in c.in_subset -%}
 | {{gen.link(c)}} | {{c.description|enshorten}} |
 {% endif -%}
 {% endfor %}
 
-{% for c in gen.all_class_objects()|sort(attribute=sort_by) -%}
+{% for c in classes_in_subset -%}
 {%- if element.name in c.in_subset -%}
-### {{ gen.name(c) }}
 
-{{c.description}}
+{% set induced_slots = gen.class_induced_slots(c.name)|sort(attribute=sort_by) %}
 
 {%- set filtered_slots = [] -%}
-
 {%- for s in induced_slots|sort(attribute=sort_by) -%}
     {%- if element.name in s.in_subset or element.name in schemaview.get_slot(s.name).in_subset -%}
         {% set _ = filtered_slots.append(s) %}
     {%- endif -%}
 {%- endfor %}
 
 {%- if filtered_slots|length > 0 -%}
-| Name | Cardinality and Range  | Description  |
+### Slots from {{ gen.link(c) }} also in _{{ element.name }}_
+
+| Name | Cardinality and Range | Description |
 | ---  | ---  | --- |
 {% for s in filtered_slots -%}
-| {{gen.link(s)}} | {{ gen.cardinality(s) }} <br/> {{gen.link(s.range)}}  | {{s.description|enshorten}} {% if s.identifier %}**identifier**{% endif %}  |
+| {{gen.link(s)}} | {{ gen.cardinality(s) }} <br/> {{gen.link(s.range)}} | {{s.description|enshorten}} {% if s.identifier %}**identifier**{% endif %} |
 {% endfor %}
 {%- endif %}
 
@@ -103,4 +103,4 @@ URI: {{ gen.link(element) }}
 {%- endif %}
 {% endfor %}
 
-{%- endif %}
+{%- endif %}