Update the modular templates to match upstream changes:

* Allow xrefs in modules; issue #113

Author: msuchane

data/templates/assembly.adoc

@@ -70,7 +70,7 @@ Optional. Delete if not used.
 ////
 
 {% if examples -%}
-* A bulleted list of links to other material closely related to the contents of the assembly, including xref links to other assemblies in your collection.
+* A bulleted list of links to other closely-related material. These links can include `link:` and `xref:` macros.
 * For more details on writing assemblies, see the link:https://github.com/redhat-documentation/modular-docs#modular-documentation-reference-guide[Modular Documentation Reference Guide].
 * Use a consistent system for file names, IDs, and titles. For tips, see _Anchor Names and File Names_ in link:https://github.com/redhat-documentation/modular-docs#modular-documentation-reference-guide[Modular Documentation Reference Guide].
 {%- endif %}

data/templates/concept.adoc

@@ -34,8 +34,7 @@ The contents of a concept module give the user descriptions and explanations nee
 Optional. Delete if not used.
 ////
 {% if examples -%}
-* A bulleted list of links to other material closely related to the contents of the concept module.
-* Currently, modules cannot include xrefs, so you cannot include links to other content in your collection. If you need to link to another assembly, add the xref to the assembly that includes this module.
+* A bulleted list of links to other closely-related material. These links can include `link:` and `xref:` macros.
 * For more details on writing concept modules, see the link:https://github.com/redhat-documentation/modular-docs#modular-documentation-reference-guide[Modular Documentation Reference Guide].
 * Use a consistent system for file names, IDs, and titles. For tips, see _Anchor Names and File Names_ in link:https://github.com/redhat-documentation/modular-docs#modular-documentation-reference-guide[Modular Documentation Reference Guide].
 {%- endif %}

data/templates/procedure.adoc

@@ -60,8 +60,7 @@ Delete this section if it does not apply to your module. Provide the user with v
 Optional. Delete if not used.
 ////
 {% if examples -%}
-* A bulleted list of links to other material closely related to the contents of the procedure module.
-* Currently, modules cannot include xrefs, so you cannot include links to other content in your collection. If you need to link to another assembly, add the xref to the assembly that includes this module.
+* A bulleted list of links to other closely-related material. These links can include `link:` and `xref:` macros.
 * For more details on writing procedure modules, see the link:https://github.com/redhat-documentation/modular-docs#modular-documentation-reference-guide[Modular Documentation Reference Guide].
 * Use a consistent system for file names, IDs, and titles. For tips, see _Anchor Names and File Names_ in link:https://github.com/redhat-documentation/modular-docs#modular-documentation-reference-guide[Modular Documentation Reference Guide].
 {%- endif %}

data/templates/reference.adoc

@@ -46,8 +46,7 @@ Term 2:: Definition
 Optional. Delete if not used.
 ////
 {% if examples -%}
-* A bulleted list of links to other material closely related to the contents of the concept module.
-* Currently, modules cannot include xrefs, so you cannot include links to other content in your collection. If you need to link to another assembly, add the xref to the assembly that includes this module.
+* A bulleted list of links to other closely-related material. These links can include `link:` and `xref:` macros.
 * For more details on writing reference modules, see the link:https://github.com/redhat-documentation/modular-docs#modular-documentation-reference-guide[Modular Documentation Reference Guide].
 * Use a consistent system for file names, IDs, and titles. For tips, see _Anchor Names and File Names_ in link:https://github.com/redhat-documentation/modular-docs#modular-documentation-reference-guide[Modular Documentation Reference Guide].
 {%- endif %}